Water Quality in WINDSOR, CO (80550)

EPA violation data for public water systems serving ZIP code 80550.

593

Total Violations

178

Health-Based

415

Monitoring / Reporting

584

Resolved

What does this mean?

584 of 593 violations have been resolved. 178 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 415 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.

Water systems: 67 Population served: 40,044

Violations Detail (593 total)

Contaminant	Category	MCL Limit	Measured	Date	Status	Health Effects
Public Notice	Monitoring	N/A	N/A	Sep 21, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 21, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 6, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 6, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Aug 22, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Aug 22, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 16, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 16, 2025	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Monitoring	N/A	N/A	Jul 1, 2025	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Monitoring	N/A	N/A	Jul 1, 2025	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Monitoring	N/A	N/A	Jul 1, 2025	Resolved	N/A
Arsenic	Health-Based	N/A	0.012	Jun 30, 2025	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.012	Jun 30, 2025	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.012	Jun 30, 2025	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.012	Jun 30, 2025	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Combined Uranium	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2025	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2025	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2025	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2025	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2025	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2025	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2025	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2025	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2025	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2025	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2025	Resolved	N/A
E. COLI	Monitoring	0	N/A	May 24, 2025	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	May 24, 2025	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	May 24, 2025	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Apr 30, 2025	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Apr 30, 2025	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Apr 30, 2025	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Apr 30, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 12, 2025	Active	N/A
Arsenic	Health-Based	N/A	0.013	Mar 31, 2025	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.013	Mar 31, 2025	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.013	Mar 31, 2025	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.013	Mar 31, 2025	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 28, 2025	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 28, 2025	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 28, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 22, 2025	Active	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2025	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2025	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 12, 2025	Active	N/A
Public Notice	Monitoring	N/A	N/A	Jan 9, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 9, 2025	Resolved	N/A
Arsenic	Health-Based	N/A	0.012	Dec 31, 2024	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.012	Dec 31, 2024	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.012	Dec 31, 2024	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.012	Dec 31, 2024	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.102	Dec 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.102	Dec 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.102	Dec 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.102	Dec 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.102	Dec 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Nov 30, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Nov 30, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Nov 30, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Nov 22, 2024	Active	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Oct 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Oct 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Oct 31, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Oct 12, 2024	Active	N/A
Arsenic	Health-Based	N/A	0.012	Sep 30, 2024	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.012	Sep 30, 2024	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.012	Sep 30, 2024	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.012	Sep 30, 2024	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.102	Sep 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.102	Sep 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.102	Sep 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.102	Sep 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.102	Sep 30, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Aug 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Aug 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Aug 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 12, 2024	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jul 11, 2024	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jul 11, 2024	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jul 11, 2024	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jul 11, 2024	Resolved	N/A
Lead and Copper Rule	Health-Based	N/A	N/A	Jun 30, 2024	Resolved	N/A
Lead and Copper Rule	Health-Based	N/A	N/A	Jun 30, 2024	Resolved	N/A
Lead and Copper Rule	Health-Based	N/A	N/A	Jun 30, 2024	Resolved	N/A
Lead and Copper Rule	Health-Based	N/A	N/A	Jun 30, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Jun 30, 2024	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Jun 30, 2024	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Jun 30, 2024	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Jun 30, 2024	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Jun 30, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.101	Jun 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.101	Jun 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.101	Jun 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.101	Jun 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.101	Jun 30, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jun 2, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jun 2, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2024	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2024	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2024	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2024	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	May 31, 2024	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	May 31, 2024	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	May 31, 2024	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	May 31, 2024	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	May 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 15, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 15, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 15, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 17, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 17, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 17, 2024	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	Eye and nose irritation; stomach discomfort
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.111	Mar 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.111	Mar 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.111	Mar 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.111	Mar 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.111	Mar 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 29, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 29, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 29, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2024	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2024	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jan 13, 2024	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jan 13, 2024	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jan 7, 2024	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jan 7, 2024	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jan 7, 2024	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jan 7, 2024	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jan 7, 2024	Resolved	N/A
1,2-Dichloroethane	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
1,2-Dichloroethane	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Ethylbenzene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Vinyl chloride	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Increased risk of cancer
Vinyl chloride	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Increased risk of cancer
Vinyl chloride	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Increased risk of cancer
Vinyl chloride	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Increased risk of cancer
Carbon tetrachloride	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Liver problems; increased risk of cancer
Carbon tetrachloride	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Liver problems; increased risk of cancer
Carbon tetrachloride	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Liver problems; increased risk of cancer
Carbon tetrachloride	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Liver problems; increased risk of cancer
Trichloroethylene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Liver problems; increased risk of cancer
Trichloroethylene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Liver problems; increased risk of cancer
Trichloroethylene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Liver problems; increased risk of cancer
Trichloroethylene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Liver problems; increased risk of cancer
Tetrachloroethylene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Liver problems; increased risk of cancer
Tetrachloroethylene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Liver problems; increased risk of cancer
Tetrachloroethylene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Liver problems; increased risk of cancer
Tetrachloroethylene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Liver problems; increased risk of cancer
Benzene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Anemia; decrease in blood platelets; increased risk of cancer
Benzene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Anemia; decrease in blood platelets; increased risk of cancer
Benzene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Anemia; decrease in blood platelets; increased risk of cancer
1,2-Dichloroethane	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
cis-1,2-Dichloroethylene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
cis-1,2-Dichloroethylene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
cis-1,2-Dichloroethylene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
cis-1,2-Dichloroethylene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Xylenes, Total	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Xylenes, Total	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Xylenes, Total	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Xylenes, Total	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
DICHLOROMETHANE	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
DICHLOROMETHANE	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
DICHLOROMETHANE	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
DICHLOROMETHANE	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
o-Dichlorobenzene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
o-Dichlorobenzene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
o-Dichlorobenzene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
o-Dichlorobenzene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
p-Dichlorobenzene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
p-Dichlorobenzene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
p-Dichlorobenzene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
p-Dichlorobenzene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
trans-1,2-Dichloroethylene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
trans-1,2-Dichloroethylene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
trans-1,2-Dichloroethylene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
trans-1,2-Dichloroethylene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
1,1,1-Trichloroethane	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
1,1,1-Trichloroethane	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
1,1,1-Trichloroethane	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
1,1,1-Trichloroethane	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
1,2-Dichloropropane	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
1,2-Dichloropropane	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
1,2-Dichloropropane	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
1,2-Dichloropropane	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
1,1,2-Trichloroethane	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
1,1,2-Trichloroethane	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
1,1,2-Trichloroethane	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
1,1,2-Trichloroethane	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
CHLOROBENZENE	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
CHLOROBENZENE	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
CHLOROBENZENE	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
CHLOROBENZENE	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Ethylbenzene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Ethylbenzene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Ethylbenzene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
1,2-Dichloroethane	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Styrene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Styrene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Styrene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Styrene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Toluene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Toluene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Toluene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Toluene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
1,1-Dichloroethylene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
1,1-Dichloroethylene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
1,1-Dichloroethylene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
1,1-Dichloroethylene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
1,2,4-Trichlorobenzene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
1,2,4-Trichlorobenzene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
1,2,4-Trichlorobenzene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
1,2,4-Trichlorobenzene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Benzene	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Anemia; decrease in blood platelets; increased risk of cancer
Nitrate	Health-Based	N/A	13	Dec 31, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Health-Based	N/A	13	Dec 31, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Health-Based	N/A	13	Dec 31, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Health-Based	N/A	13	Dec 31, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
TTHM	Health-Based	N/A	0.09	Dec 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.09	Dec 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.09	Dec 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.09	Dec 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.09	Dec 31, 2023	Resolved	N/A
Nitrate	Health-Based	N/A	12	Nov 30, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Health-Based	N/A	12	Nov 30, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Health-Based	N/A	12	Nov 30, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Health-Based	N/A	12	Nov 30, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Public Notice	Monitoring	N/A	N/A	Oct 28, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Oct 28, 2023	Resolved	N/A
Nitrate	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
TTHM	Health-Based	N/A	0.1329	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.1329	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.1329	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.1329	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.08805	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.08805	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.08805	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.08805	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.08805	Sep 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 23, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 23, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 23, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 8, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 8, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 8, 2023	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Aug 26, 2023	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Aug 26, 2023	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Jul 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Jul 31, 2023	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Jul 31, 2023	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Jul 31, 2023	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Jul 31, 2023	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Jun 30, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Jun 30, 2023	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Jun 30, 2023	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Jun 30, 2023	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Jun 30, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Jun 30, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Jun 30, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Jun 30, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Jun 30, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Jun 30, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Jun 30, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Jun 30, 2023	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.16374	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.16374	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.16374	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.16374	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.085	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.085	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.085	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.085	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.085	Jun 30, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	May 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	May 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	May 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	May 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	May 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	May 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	May 31, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	May 31, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 28, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 28, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.17731	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.17731	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.17731	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.17731	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.17731	Mar 31, 2023	Resolved	N/A
Endothall	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Cadmium	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Kidney damage
Selenium	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Hair or fingernail loss; numbness in fingers or toes; circulatory problems
Endothall	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Endothall	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Endothall	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Nickel	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Arsenic	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Nickel	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Antimony, Total	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Antimony, Total	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Antimony, Total	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Antimony, Total	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Beryllium, Total	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Beryllium, Total	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Beryllium, Total	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Beryllium, Total	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Thallium, Total	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Thallium, Total	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Thallium, Total	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Thallium, Total	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Nickel	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Selenium	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Hair or fingernail loss; numbness in fingers or toes; circulatory problems
Selenium	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Hair or fingernail loss; numbness in fingers or toes; circulatory problems
Mercury	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Kidney damage
Mercury	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Kidney damage
Mercury	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Kidney damage
Mercury	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Kidney damage
Chromium	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Allergic dermatitis
Chromium	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Allergic dermatitis
Chromium	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Allergic dermatitis
Chromium	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Allergic dermatitis
Barium	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Increase in blood pressure
Barium	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Increase in blood pressure
Barium	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Increase in blood pressure
Barium	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Increase in blood pressure
Nickel	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Cadmium	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Kidney damage
Cadmium	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Kidney damage
Cadmium	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Kidney damage
Selenium	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Hair or fingernail loss; numbness in fingers or toes; circulatory problems
Surface Water Treatment Rule	Health-Based	N/A	N/A	Jan 31, 2023	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Jan 31, 2023	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Jan 31, 2023	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Jan 31, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 8, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 8, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Di(2-ethylhexyl) phthalate	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Di(2-ethylhexyl) phthalate	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Di(2-ethylhexyl) phthalate	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Di(2-ethylhexyl) phthalate	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.159	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.159	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.159	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.159	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.159	Dec 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 8, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 8, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 8, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 1, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 1, 2022	Resolved	N/A
Nitrate	Monitoring	N/A	N/A	Oct 31, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Oct 31, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Oct 31, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Oct 31, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Chlorine	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	Eye and nose irritation; stomach discomfort
Nitrate	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	Eye and nose irritation; stomach discomfort
Nitrate	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
TTHM	Health-Based	N/A	0.19143	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.19143	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.19143	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.19143	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.19143	Sep 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Nitrate	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Surface Water Treatment Rule	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Aug 28, 2022	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	Aug 6, 2022	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Aug 6, 2022	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Aug 6, 2022	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Aug 6, 2022	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Aug 2, 2022	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Aug 2, 2022	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Aug 2, 2022	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Aug 2, 2022	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Jun 30, 2022	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Jun 30, 2022	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Jun 30, 2022	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Jun 30, 2022	Resolved	N/A
Nitrate	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2022	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	May 4, 2022	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	May 4, 2022	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	May 4, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Arsenic	Health-Based	N/A	0.011	Mar 31, 2022	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.011	Mar 31, 2022	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.011	Mar 31, 2022	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.011	Mar 31, 2022	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.011	Mar 31, 2022	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Public Notice	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Nitrate	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Public Notice	Monitoring	N/A	N/A	Mar 1, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Mar 1, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 28, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 28, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Feb 28, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 3, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 3, 2022	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Jan 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Jan 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Jan 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Jan 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jan 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 3, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 3, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 3, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Nitrate	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
TTHM	Health-Based	N/A	0.09	Dec 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.09	Dec 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.09	Dec 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.09	Dec 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.09	Dec 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.089	Sep 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.089	Sep 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.089	Sep 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.089	Sep 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.089	Sep 30, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Aug 23, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Aug 23, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Aug 23, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 30, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 30, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 16, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 16, 2021	Resolved	N/A
E. COLI	Monitoring	0	N/A	Jul 15, 2021	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Jul 15, 2021	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Jul 15, 2021	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Public Notice	Monitoring	N/A	N/A	Jul 2, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 2, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.0836	Jun 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.0836	Jun 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.0836	Jun 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.0836	Jun 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.0836	Jun 30, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 10, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 10, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 10, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 1, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 1, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 1, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 16, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 16, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 16, 2021	Resolved	N/A

Lead & Copper Levels

Violation Timeline

2025(56)

Public Notice

Sep 21Resolved

Public Notice

Sep 21Resolved

Public Notice

Sep 6Resolved

Public Notice

Sep 6Resolved

Public Notice

Aug 22Resolved

Public Notice

Aug 22Resolved

Public Notice

Jul 16Resolved

Public Notice

Jul 16Resolved

LEAD AND COPPER RULE REVISIONS

Jul 1Resolved

LEAD AND COPPER RULE REVISIONS

Jul 1Resolved

LEAD AND COPPER RULE REVISIONS

Jul 1Resolved

Arsenic

Jun 30Resolved

Arsenic

Jun 30Resolved

Arsenic

Jun 30Resolved

Arsenic

Jun 30Resolved

Combined Uranium

Jun 30Resolved

Combined Uranium

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Surface Water Treatment Rule

May 31Resolved

Surface Water Treatment Rule

May 31Resolved

Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Surface Water Treatment Rule

May 31Resolved

Surface Water Treatment Rule

May 31Resolved

Surface Water Treatment Rule

May 31Resolved

Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

E. COLI

May 24Resolved

E. COLI

May 24Resolved

E. COLI

May 24Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Public Notice

Apr 12Active

Arsenic

Mar 31Resolved

Arsenic

Mar 31Resolved

Arsenic

Mar 31Resolved

Arsenic

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 28Resolved

Public Notice

Feb 22Active

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

Public Notice

Jan 12Active

Public Notice

Jan 9Resolved

Public Notice

Jan 9Resolved

2024(124)

Arsenic

Dec 31Resolved

Arsenic

Dec 31Resolved

Arsenic

Dec 31Resolved

Arsenic

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

Nov 30Resolved

Public Notice

Nov 22Active

Interim Enhanced Surface Water Treatment Rule

Oct 31Resolved

Interim Enhanced Surface Water Treatment Rule

Oct 31Resolved

Interim Enhanced Surface Water Treatment Rule

Oct 31Resolved

Public Notice

Oct 12Active

Arsenic

Sep 30Resolved

Arsenic

Sep 30Resolved

Arsenic

Sep 30Resolved

Arsenic

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jul 31Resolved

Public Notice

Jul 12Active

Groundwater Rule

Jul 11Resolved

Groundwater Rule

Jul 11Resolved

Groundwater Rule

Jul 11Resolved

Groundwater Rule

Jul 11Resolved

Lead and Copper Rule

Jun 30Resolved

Lead and Copper Rule

Jun 30Resolved

Lead and Copper Rule

Jun 30Resolved

Lead and Copper Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Surface Water Treatment Rule

Jun 30Resolved

Surface Water Treatment Rule

Jun 30Resolved

Surface Water Treatment Rule

Jun 30Resolved

Surface Water Treatment Rule

Jun 30Resolved

Surface Water Treatment Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

Public Notice

Jun 2Resolved

Public Notice

Jun 2Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Surface Water Treatment Rule

May 31Resolved

Surface Water Treatment Rule

May 31Resolved

Surface Water Treatment Rule

May 31Resolved

Surface Water Treatment Rule

May 31Resolved

Surface Water Treatment Rule

May 31Resolved

Surface Water Treatment Rule

May 31Resolved

Surface Water Treatment Rule

May 31Resolved

Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Revised Total Coliform Rule

May 15Resolved

Revised Total Coliform Rule

May 15Resolved

Revised Total Coliform Rule

May 15Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Revised Total Coliform Rule

Apr 17Resolved

Revised Total Coliform Rule

Apr 17Resolved

Revised Total Coliform Rule

Apr 17Resolved

Chlorine

Mar 31Resolved

Chlorine

Mar 31Resolved

Chlorine

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 29Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 29Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 29Resolved

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

Groundwater Rule

Jan 13Active

Groundwater Rule

Jan 13Active

Groundwater Rule

Jan 7Resolved

Groundwater Rule

Jan 7Resolved

Groundwater Rule

Jan 7Resolved

Groundwater Rule

Jan 7Resolved

Groundwater Rule

Jan 7Resolved

2023(227)

1,2-Dichloroethane

Dec 31Resolved

1,2-Dichloroethane

Dec 31Resolved

Ethylbenzene

Dec 31Resolved

Vinyl chloride

Dec 31Resolved

Vinyl chloride

Dec 31Resolved

Vinyl chloride

Dec 31Resolved

Vinyl chloride

Dec 31Resolved

Carbon tetrachloride

Dec 31Resolved

Carbon tetrachloride

Dec 31Resolved

Carbon tetrachloride

Dec 31Resolved

Carbon tetrachloride

Dec 31Resolved

Trichloroethylene

Dec 31Resolved

Trichloroethylene

Dec 31Resolved

Trichloroethylene

Dec 31Resolved

Trichloroethylene

Dec 31Resolved

Tetrachloroethylene

Dec 31Resolved

Tetrachloroethylene

Dec 31Resolved

Tetrachloroethylene

Dec 31Resolved

Tetrachloroethylene

Dec 31Resolved

Benzene

Dec 31Resolved

Benzene

Dec 31Resolved

Benzene

Dec 31Resolved

1,2-Dichloroethane

Dec 31Resolved

cis-1,2-Dichloroethylene

Dec 31Resolved

cis-1,2-Dichloroethylene

Dec 31Resolved

cis-1,2-Dichloroethylene

Dec 31Resolved

cis-1,2-Dichloroethylene

Dec 31Resolved

Xylenes, Total

Dec 31Resolved

Xylenes, Total

Dec 31Resolved

Xylenes, Total

Dec 31Resolved

Xylenes, Total

Dec 31Resolved

DICHLOROMETHANE

Dec 31Resolved

DICHLOROMETHANE

Dec 31Resolved

DICHLOROMETHANE

Dec 31Resolved

DICHLOROMETHANE

Dec 31Resolved

o-Dichlorobenzene

Dec 31Resolved

o-Dichlorobenzene

Dec 31Resolved

o-Dichlorobenzene

Dec 31Resolved

o-Dichlorobenzene

Dec 31Resolved

p-Dichlorobenzene

Dec 31Resolved

p-Dichlorobenzene

Dec 31Resolved

p-Dichlorobenzene

Dec 31Resolved

p-Dichlorobenzene

Dec 31Resolved

trans-1,2-Dichloroethylene

Dec 31Resolved

trans-1,2-Dichloroethylene

Dec 31Resolved

trans-1,2-Dichloroethylene

Dec 31Resolved

trans-1,2-Dichloroethylene

Dec 31Resolved

1,1,1-Trichloroethane

Dec 31Resolved

1,1,1-Trichloroethane

Dec 31Resolved

1,1,1-Trichloroethane

Dec 31Resolved

1,1,1-Trichloroethane

Dec 31Resolved

1,2-Dichloropropane

Dec 31Resolved

1,2-Dichloropropane

Dec 31Resolved

1,2-Dichloropropane

Dec 31Resolved

1,2-Dichloropropane

Dec 31Resolved

1,1,2-Trichloroethane

Dec 31Resolved

1,1,2-Trichloroethane

Dec 31Resolved

1,1,2-Trichloroethane

Dec 31Resolved

1,1,2-Trichloroethane

Dec 31Resolved

CHLOROBENZENE

Dec 31Resolved

CHLOROBENZENE

Dec 31Resolved

CHLOROBENZENE

Dec 31Resolved

CHLOROBENZENE

Dec 31Resolved

Ethylbenzene

Dec 31Resolved

Ethylbenzene

Dec 31Resolved

Ethylbenzene

Dec 31Resolved

1,2-Dichloroethane

Dec 31Resolved

Styrene

Dec 31Resolved

Styrene

Dec 31Resolved

Styrene

Dec 31Resolved

Styrene

Dec 31Resolved

Toluene

Dec 31Resolved

Toluene

Dec 31Resolved

Toluene

Dec 31Resolved

Toluene

Dec 31Resolved

1,1-Dichloroethylene

Dec 31Resolved

1,1-Dichloroethylene

Dec 31Resolved

1,1-Dichloroethylene

Dec 31Resolved

1,1-Dichloroethylene

Dec 31Resolved

1,2,4-Trichlorobenzene

Dec 31Resolved

1,2,4-Trichlorobenzene

Dec 31Resolved

1,2,4-Trichlorobenzene

Dec 31Resolved

1,2,4-Trichlorobenzene

Dec 31Resolved

Benzene

Dec 31Resolved

Nitrate

Dec 31Resolved

Nitrate

Dec 31Resolved

Nitrate

Dec 31Resolved

Nitrate

Dec 31Resolved

Nitrate

Dec 31Resolved

Nitrate

Dec 31Resolved

Nitrate

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

Nitrate

Nov 30Resolved

Nitrate

Nov 30Resolved

Nitrate

Nov 30Resolved

Nitrate

Nov 30Resolved

Public Notice

Oct 28Resolved

Public Notice

Oct 28Resolved

Nitrate

Sep 30Resolved

Nitrate

Sep 30Resolved

Nitrate

Sep 30Resolved

Nitrate

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

Revised Total Coliform Rule

Sep 23Resolved

Revised Total Coliform Rule

Sep 23Resolved

Revised Total Coliform Rule

Sep 23Resolved

Revised Total Coliform Rule

Sep 8Resolved

Revised Total Coliform Rule

Sep 8Resolved

Revised Total Coliform Rule

Sep 8Resolved

Groundwater Rule

Aug 26Resolved

Groundwater Rule

Aug 26Resolved

Surface Water Treatment Rule

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jul 31Resolved

Surface Water Treatment Rule

Jul 31Resolved

Surface Water Treatment Rule

Jul 31Resolved

Surface Water Treatment Rule

Jul 31Resolved

Surface Water Treatment Rule

Jul 31Resolved

Surface Water Treatment Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Surface Water Treatment Rule

Jun 30Resolved

Surface Water Treatment Rule

Jun 30Resolved

Surface Water Treatment Rule

Jun 30Resolved

Surface Water Treatment Rule

Jun 30Resolved

Surface Water Treatment Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

Jun 30Resolved

Surface Water Treatment Rule

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Public Notice

Apr 28Resolved

Public Notice

Apr 28Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

Total Haloacetic Acids (HAA5)

Mar 31Resolved

Total Haloacetic Acids (HAA5)

Mar 31Resolved

Total Haloacetic Acids (HAA5)

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

Endothall

Mar 31Resolved

Cadmium

Mar 31Resolved

Selenium

Mar 31Resolved

Endothall

Mar 31Resolved

Endothall

Mar 31Resolved

Endothall

Mar 31Resolved

Nickel

Mar 31Resolved

Arsenic

Mar 31Resolved

Arsenic

Mar 31Resolved

Arsenic

Mar 31Resolved

Arsenic

Mar 31Resolved

Nickel

Mar 31Resolved

Antimony, Total

Mar 31Resolved

Antimony, Total

Mar 31Resolved

Antimony, Total

Mar 31Resolved

Antimony, Total

Mar 31Resolved

Beryllium, Total

Mar 31Resolved

Beryllium, Total

Mar 31Resolved

Beryllium, Total

Mar 31Resolved

Beryllium, Total

Mar 31Resolved

Thallium, Total

Mar 31Resolved

Thallium, Total

Mar 31Resolved

Thallium, Total

Mar 31Resolved

Thallium, Total

Mar 31Resolved

Nickel

Mar 31Resolved

Selenium

Mar 31Resolved

Selenium

Mar 31Resolved

Mercury

Mar 31Resolved

Mercury

Mar 31Resolved

Mercury

Mar 31Resolved

Mercury

Mar 31Resolved

Chromium

Mar 31Resolved

Chromium

Mar 31Resolved

Chromium

Mar 31Resolved

Chromium

Mar 31Resolved

Barium

Mar 31Resolved

Barium

Mar 31Resolved

Barium

Mar 31Resolved

Barium

Mar 31Resolved

Nickel

Mar 31Resolved

Cadmium

Mar 31Resolved

Cadmium

Mar 31Resolved

Cadmium

Mar 31Resolved

Selenium

Mar 31Resolved

Surface Water Treatment Rule

Jan 31Resolved

Surface Water Treatment Rule

Jan 31Resolved

Surface Water Treatment Rule

Jan 31Resolved

Surface Water Treatment Rule

Jan 31Resolved

Public Notice

Jan 8Resolved

Public Notice

Jan 8Resolved

2022(129)

TTHM

Dec 31Resolved

Lead and Copper Rule

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

Di(2-ethylhexyl) phthalate

Dec 31Resolved

Di(2-ethylhexyl) phthalate

Dec 31Resolved

Di(2-ethylhexyl) phthalate

Dec 31Resolved

Di(2-ethylhexyl) phthalate

Dec 31Resolved

Total Haloacetic Acids (HAA5)

Dec 31Resolved

TTHM

Dec 31Resolved

Total Haloacetic Acids (HAA5)

Dec 31Resolved

Total Haloacetic Acids (HAA5)

Dec 31Resolved

Total Haloacetic Acids (HAA5)

Dec 31Resolved

Lead and Copper Rule

Dec 31Resolved

Lead and Copper Rule

Dec 31Resolved

Lead and Copper Rule

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

Revised Total Coliform Rule

Dec 8Resolved

Revised Total Coliform Rule

Dec 8Resolved

Revised Total Coliform Rule

Dec 8Resolved

Public Notice

Dec 1Resolved

Public Notice

Dec 1Resolved

Nitrate

Oct 31Resolved

Nitrate

Oct 31Resolved

Nitrate

Oct 31Resolved

Nitrate

Oct 31Resolved

Chlorine

Sep 30Resolved

Chlorine

Sep 30Resolved

Nitrate

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Chlorine

Sep 30Resolved

Chlorine

Sep 30Resolved

Nitrate

Sep 30Resolved

Nitrate

Sep 30Resolved

Nitrate

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Nitrate

Aug 31Resolved

Nitrate

Aug 31Resolved

Nitrate

Aug 31Resolved

Nitrate

Aug 31Resolved

Surface Water Treatment Rule

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

Aug 31Resolved

Surface Water Treatment Rule

Aug 31Resolved

Surface Water Treatment Rule

Aug 31Resolved

Public Notice

Aug 28Active

Groundwater Rule

Aug 6Resolved

Groundwater Rule

Aug 6Resolved

Groundwater Rule

Aug 6Resolved

Groundwater Rule

Aug 6Resolved

Groundwater Rule

Aug 2Resolved

Groundwater Rule

Aug 2Resolved

Groundwater Rule

Aug 2Resolved

Groundwater Rule

Aug 2Resolved

Surface Water Treatment Rule

Jun 30Resolved

Surface Water Treatment Rule

Jun 30Resolved

Surface Water Treatment Rule

Jun 30Resolved

Surface Water Treatment Rule

Jun 30Resolved

Nitrate

Jun 30Resolved

Nitrate

Jun 30Resolved

Nitrate

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Surface Water Treatment Rule

May 31Resolved

Surface Water Treatment Rule

May 31Resolved

Surface Water Treatment Rule

May 31Resolved

Surface Water Treatment Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

May 31Resolved

Groundwater Rule

May 4Resolved

Groundwater Rule

May 4Resolved

Groundwater Rule

May 4Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

Mar 31Resolved

Arsenic

Mar 31Resolved

Arsenic

Mar 31Resolved

Arsenic

Mar 31Resolved

Arsenic

Mar 31Resolved

Arsenic

Mar 31Resolved

Public Notice

Mar 31Resolved

Public Notice

Mar 31Resolved

Nitrate

Mar 31Resolved

Nitrate

Mar 31Resolved

Nitrate

Mar 31Resolved

Public Notice

Mar 1Resolved

Public Notice

Mar 1Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

Feb 28Resolved

Public Notice

Feb 3Resolved

Public Notice

Feb 3Resolved

Surface Water Treatment Rule

Jan 31Resolved

Surface Water Treatment Rule

Jan 31Resolved

Surface Water Treatment Rule

Jan 31Resolved

Surface Water Treatment Rule

Jan 31Resolved

Surface Water Treatment Rule

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

Jan 31Resolved

Surface Water Treatment Rule

Jan 31Resolved

Surface Water Treatment Rule

Jan 31Resolved

Revised Total Coliform Rule

Jan 3Resolved

Revised Total Coliform Rule

Jan 3Resolved

Revised Total Coliform Rule

Jan 3Resolved

How Does This Compare?

WINDSOR (80550) has 593 recorded violations, including 178 health-based. 9 remain unresolved. Consider testing your tap water independently for added peace of mind.

Recommended Water Filters

Based on the contaminants detected in your area, these filter types may help improve your water quality.

Reverse Osmosis System

Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.

Targets:Lead, Copper, Arsenic, Mercury, Cadmium

Look for:NSF/ANSI 58 certified

NSF Certified Products → EPA Safe Drinking Water Guide →

Activated Carbon Filter

Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.

Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor

Look for:NSF/ANSI 42 & 53 certified

NSF Certified Products → EPA Safe Drinking Water Guide →

UV Water Purifier

Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.

Targets:E. coli, Coliform, Giardia, Cryptosporidium

Look for:NSF/ANSI 55 (Class A) certified

NSF Certified Products → EPA Safe Drinking Water Guide →

Always look for filters certified by NSF International for the specific contaminants you want to remove.

Water Quality in WINDSOR, CO (80550)

What does this mean?

Violations Detail (593 total)

Lead & Copper Levels

Violation Timeline

2025(56)

2024(124)

2023(227)

2022(129)

2021(57)

How Does This Compare?

Recommended Water Filters

Reverse Osmosis System

Activated Carbon Filter

UV Water Purifier

Nearby ZIP Codes

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