Water Quality in WASILLA, AK (99654)

EPA violation data for public water systems serving ZIP code 99654.

343

Total Violations

Health-Based

300

Monitoring / Reporting

328

Resolved

What does this mean?

328 of 343 violations have been resolved. 43 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 300 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: 205 Population served: 46,426

Violations Detail (343 total)

Contaminant	Category	MCL Limit	Measured	Date	Status	Health Effects
Groundwater Rule	Health-Based	N/A	N/A	Aug 31, 2025	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2025	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Arsenic	Health-Based	N/A	0.013	Jun 30, 2025	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Gross Alpha, Excl. Radon and U	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	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
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2025	Resolved	N/A
Lead and Copper 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
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2024	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2024	Active	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
Arsenic	Health-Based	N/A	0.013	Dec 31, 2024	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.013	Dec 31, 2024	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Dec 20, 2024	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Nov 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Nov 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Health-Based	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Monitoring	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Monitoring	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Health-Based	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Health-Based	N/A	N/A	Oct 16, 2024	Active	N/A
LEAD AND COPPER RULE REVISIONS	Monitoring	N/A	N/A	Oct 16, 2024	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Arsenic	Health-Based	N/A	0.013	Sep 30, 2024	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Consumer Confidence Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2024	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Aug 26, 2024	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2024	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Arsenic	Health-Based	N/A	0.012	Jun 30, 2024	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 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	Apr 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2024	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Apr 12, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Arsenic	Health-Based	N/A	0.012	Mar 31, 2024	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.012	Mar 31, 2024	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.012	Mar 31, 2024	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 29, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 29, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 29, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
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
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2023	Active	N/A
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
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Arsenic	Health-Based	N/A	0.013	Dec 31, 2023	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.013	Dec 31, 2023	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.013	Dec 31, 2023	Resolved	Skin damage; circulatory system problems; increased risk of cancer
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
Public Notice	Monitoring	N/A	N/A	Dec 6, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Nov 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Nov 30, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Nov 15, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2023	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Benzene	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	Anemia; decrease in blood platelets; increased risk of cancer
Tetrachloroethylene	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	Liver problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.013	Sep 30, 2023	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.013	Sep 30, 2023	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Vinyl chloride	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	Increased risk of cancer
Tetrachloroethylene	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	Liver problems; increased risk of cancer
Vinyl chloride	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	Increased risk of cancer
Carbon tetrachloride	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	Liver problems; increased risk of cancer
Xylenes, Total	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
p-Dichlorobenzene	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
1,2,4-Trichlorobenzene	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
cis-1,2-Dichloroethylene	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Xylenes, Total	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
DICHLOROMETHANE	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
p-Dichlorobenzene	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
1,1-Dichloroethylene	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
trans-1,2-Dichloroethylene	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
1,2-Dichloroethane	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
1,1,1-Trichloroethane	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Toluene	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Ethylbenzene	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
DICHLOROMETHANE	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
1,1-Dichloroethylene	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
o-Dichlorobenzene	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
trans-1,2-Dichloroethylene	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
1,1,1-Trichloroethane	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
1,2-Dichloropropane	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
1,1,2-Trichloroethane	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
CHLOROBENZENE	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Styrene	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Toluene	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Styrene	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
1,2-Dichloroethane	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Trichloroethylene	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	Liver problems; increased risk of cancer
Trichloroethylene	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	Liver problems; increased risk of cancer
Benzene	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	Anemia; decrease in blood platelets; increased risk of cancer
cis-1,2-Dichloroethylene	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Carbon tetrachloride	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	Liver problems; increased risk of cancer
1,2,4-Trichlorobenzene	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Ethylbenzene	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
CHLOROBENZENE	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
1,1,2-Trichloroethane	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Arsenic	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	Skin damage; circulatory system problems; increased risk of cancer
o-Dichlorobenzene	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
1,2-Dichloropropane	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Lead and Copper Rule	Health-Based	N/A	N/A	Aug 29, 2023	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jul 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jul 26, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2023	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Arsenic	Health-Based	N/A	0.013	Jun 30, 2023	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jun 21, 2023	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jun 15, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 10, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2023	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	May 19, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 12, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
1,1-Dichloroethylene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Carbon tetrachloride	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Liver problems; increased risk of cancer
1,2,4-Trichlorobenzene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
1,2-Dichloropropane	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
1,2-Dichloropropane	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Xylenes, Total	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Xylenes, Total	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
o-Dichlorobenzene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
o-Dichlorobenzene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Benzene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Anemia; decrease in blood platelets; increased risk of cancer
Vinyl chloride	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Increased risk of cancer
Vinyl chloride	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Increased risk of cancer
Tetrachloroethylene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Liver problems; increased risk of cancer
Tetrachloroethylene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Liver problems; increased risk of cancer
Benzene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Anemia; decrease in blood platelets; increased risk of cancer
Benzene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Anemia; decrease in blood platelets; increased risk of cancer
Vinyl chloride	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Increased risk of cancer
Vinyl chloride	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Increased risk of cancer
Carbon tetrachloride	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Liver problems; increased risk of cancer
Carbon tetrachloride	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Liver problems; increased risk of cancer
Tetrachloroethylene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Liver problems; increased risk of cancer
Tetrachloroethylene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Liver problems; increased risk of cancer
1,1-Dichloroethylene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Trichloroethylene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Liver problems; increased risk of cancer
Trichloroethylene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Liver 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
1,1-Dichloroethylene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
1,1-Dichloroethylene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Benzene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Anemia; decrease in blood platelets; increased risk of cancer
Carbon tetrachloride	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Liver problems; increased risk of cancer
1,2,4-Trichlorobenzene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
cis-1,2-Dichloroethylene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
cis-1,2-Dichloroethylene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
o-Dichlorobenzene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
o-Dichlorobenzene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
p-Dichlorobenzene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
p-Dichlorobenzene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
trans-1,2-Dichloroethylene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
trans-1,2-Dichloroethylene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
1,2-Dichloroethane	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
1,2-Dichloroethane	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
1,2-Dichloropropane	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
1,2-Dichloropropane	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
1,1,2-Trichloroethane	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
1,1,2-Trichloroethane	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
CHLOROBENZENE	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
CHLOROBENZENE	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Toluene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Toluene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Ethylbenzene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Ethylbenzene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
1,2,4-Trichlorobenzene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
1,2,4-Trichlorobenzene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Xylenes, Total	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Xylenes, Total	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
DICHLOROMETHANE	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
DICHLOROMETHANE	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
p-Dichlorobenzene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
p-Dichlorobenzene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
trans-1,2-Dichloroethylene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
trans-1,2-Dichloroethylene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
1,1,1-Trichloroethane	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
1,1,1-Trichloroethane	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
1,1,2-Trichloroethane	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
1,1,2-Trichloroethane	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
CHLOROBENZENE	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
CHLOROBENZENE	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Ethylbenzene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Ethylbenzene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Styrene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Styrene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Trichloroethylene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Liver problems; increased risk of cancer
Trichloroethylene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Liver problems; increased risk of cancer
Styrene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Toluene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
cis-1,2-Dichloroethylene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
cis-1,2-Dichloroethylene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Toluene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Styrene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
DICHLOROMETHANE	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
DICHLOROMETHANE	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
1,1,1-Trichloroethane	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
1,1,1-Trichloroethane	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
1,2-Dichloroethane	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
1,2-Dichloroethane	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2023	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Feb 6, 2023	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Feb 2, 2023	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jan 6, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Nitrate	Monitoring	N/A	N/A	Dec 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	Dec 31, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
1,2-Dichloroethane	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
1,1,2-Trichloroethane	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
1,1-Dichloroethylene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
cis-1,2-Dichloroethylene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Benzene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Anemia; decrease in blood platelets; increased risk of cancer
Ethylbenzene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Trichloroethylene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Liver problems; increased risk of cancer
trans-1,2-Dichloroethylene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
1,1,1-Trichloroethane	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
1,2-Dichloropropane	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
CHLOROBENZENE	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
DICHLOROMETHANE	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
p-Dichlorobenzene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Toluene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
o-Dichlorobenzene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Carbon tetrachloride	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Liver problems; increased risk of cancer
Xylenes, Total	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Tetrachloroethylene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Liver problems; increased risk of cancer
Styrene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
1,2,4-Trichlorobenzene	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Vinyl chloride	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Increased risk of cancer
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Groundwater Rule	Monitoring	N/A	N/A	Nov 24, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2022	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	Eye and nose irritation; stomach discomfort
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
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2022	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jul 1, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Arsenic	Health-Based	N/A	0.012	Jun 30, 2022	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.012	Jun 30, 2022	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jun 27, 2022	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jun 8, 2022	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jun 8, 2022	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jun 8, 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
Chlorine	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	Eye and nose irritation; stomach discomfort
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Arsenic	Health-Based	N/A	0.012	Mar 31, 2022	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.012	Mar 31, 2022	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.012	Mar 31, 2022	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.012	Mar 31, 2022	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2022	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
Arsenic	Health-Based	N/A	0.012	Dec 31, 2021	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.012	Dec 31, 2021	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Health-Based	N/A	0.012	Dec 31, 2021	Resolved	Skin damage; circulatory system problems; increased risk of cancer
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
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
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Arsenic	Monitoring	N/A	N/A	May 31, 2021	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	Eye and nose irritation; stomach discomfort
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Mar 10, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Mar 10, 2021	Resolved	N/A

Lead & Copper Levels

Violation Timeline

2025(17)

Groundwater Rule

Aug 31Active

Lead and Copper Rule

Jun 30Active

Lead and Copper Rule

Jun 30Resolved

Lead and Copper Rule

Jun 30Resolved

Arsenic

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

Apr 30Resolved

Revised Total Coliform Rule

Apr 30Resolved

Revised Total Coliform Rule

Apr 30Resolved

Revised Total Coliform Rule

Mar 31Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Gross Alpha, Excl. Radon and U

Mar 31Resolved

Combined Uranium

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Arsenic

Mar 31Resolved

Arsenic

Mar 31Resolved

Revised Total Coliform Rule

Jan 31Resolved

2024(61)

Lead and Copper Rule

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Lead and Copper Rule

Dec 31Active

Lead and Copper Rule

Dec 31Active

Revised Total Coliform Rule

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Arsenic

Dec 31Resolved

Arsenic

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Groundwater Rule

Dec 20Active

Revised Total Coliform Rule

Nov 30Resolved

Revised Total Coliform Rule

Nov 30Resolved

Revised Total Coliform Rule

Oct 31Resolved