Water Quality in GREENWOOD VILLAGE, CO (80111)

EPA violation data for public water systems serving ZIP code 80111.

249

Total Violations

Health-Based

199

Monitoring / Reporting

246

Resolved

What does this mean?

246 of 249 violations have been resolved. 50 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 199 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: 25 Population served: 15,078

Violations Detail (249 total)

Contaminant	Category	MCL Limit	Measured	Date	Status	Health Effects
Public Notice	Monitoring	N/A	N/A	Sep 10, 2025	Active	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Jul 31, 2025	Resolved	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Jul 31, 2025	Resolved	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Jul 31, 2025	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 26, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 26, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 26, 2025	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Sep 30, 2024	Active	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Sep 30, 2024	Active	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
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
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 14, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 14, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 14, 2024	Resolved	N/A
TTHM	Health-Based	N/A	91.4075	Dec 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	91.4075	Dec 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	91.4075	Dec 31, 2023	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Chloramine	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Eye and nose irritation; stomach discomfort; anemia
Chloramine	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Eye and nose irritation; stomach discomfort; anemia
Chloramine	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Eye and nose irritation; stomach discomfort; anemia
Chloramine	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Eye and nose irritation; stomach discomfort; anemia
TTHM	Health-Based	N/A	123.81	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	123.81	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	123.81	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	123.81	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	123.81	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	123.81	Sep 30, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
E. COLI	Monitoring	0	N/A	Aug 31, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Aug 31, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Aug 31, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Lead and Copper Rule	Monitoring	N/A	N/A	Aug 15, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Aug 15, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Aug 15, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Aug 15, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 12, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 12, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 12, 2023	Resolved	N/A
TTHM	Health-Based	N/A	102.295	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	102.295	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	102.295	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	102.295	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	102.295	Jun 30, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
E. COLI	Monitoring	0	N/A	May 31, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	May 31, 2023	Resolved	Severe gastrointestinal illness; may be fatal in vulnerable populations
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Apr 30, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Apr 30, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Apr 30, 2023	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Apr 30, 2023	Resolved	N/A
Trichloroethylene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Liver problems; increased risk of cancer
Vinyl chloride	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Increased risk of cancer
DICHLOROMETHANE	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
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
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
Benzene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Anemia; decrease in blood platelets; increased risk of cancer
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
1,1,2-Trichloroethane	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
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
Xylenes, Total	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
p-Dichlorobenzene	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
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
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
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
1,1,1-Trichloroethane	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
1,2-Dichloropropane	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
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
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
Ethylbenzene	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
Xylenes, Total	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-Dichloroethane	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Vinyl chloride	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Increased risk of cancer
Styrene	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
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
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
o-Dichlorobenzene	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
DICHLOROMETHANE	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
Vinyl chloride	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Increased risk of cancer
DICHLOROMETHANE	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	95.2467	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	95.2467	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	95.2467	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	95.2467	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	95.2467	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	95.2467	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	89.08	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	89.08	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	89.08	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	89.08	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	89.08	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	89.08	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	89.08	Dec 31, 2022	Resolved	N/A
Lead and Copper Rule	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
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
TTHM	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
TTHM	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Oct 11, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Oct 11, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Oct 11, 2022	Resolved	N/A
Stage 2 Disinfectants and Disinfection Byproducts Rule	Monitoring	N/A	N/A	Oct 10, 2022	Resolved	N/A
Stage 2 Disinfectants and Disinfection Byproducts Rule	Monitoring	N/A	N/A	Oct 10, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 10, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 10, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 10, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 10, 2022	Resolved	N/A
Stage 2 Disinfectants and Disinfection Byproducts Rule	Monitoring	N/A	N/A	Oct 10, 2022	Resolved	N/A
Stage 2 Disinfectants and Disinfection Byproducts Rule	Monitoring	N/A	N/A	Oct 10, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Oct 1, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Oct 1, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Oct 1, 2022	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 8, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 8, 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
Surface Water Treatment Rule	Monitoring	N/A	N/A	Aug 31, 2022	Resolved	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Aug 5, 2022	Resolved	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Aug 5, 2022	Resolved	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Aug 5, 2022	Resolved	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Aug 5, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jul 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2022	Resolved	N/A
Consumer Confidence 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
Consumer Confidence 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
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Chloramine	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	Eye and nose irritation; stomach discomfort; anemia
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Surface Water Treatment 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
Chloramine	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	Eye and nose irritation; stomach discomfort; anemia
Chloramine	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	Eye and nose irritation; stomach discomfort; anemia
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
Chlorine	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	Eye and nose irritation; stomach discomfort
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	Apr 30, 2022	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Monitoring	N/A	N/A	Apr 30, 2022	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Mar 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Mar 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Mar 31, 2022	Resolved	N/A
Surface Water Treatment Rule	Health-Based	N/A	N/A	Mar 31, 2022	Resolved	N/A
Chloramine	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	Eye and nose irritation; stomach discomfort; anemia
Chloramine	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	Eye and nose irritation; stomach discomfort; anemia
Chloramine	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	Eye and nose irritation; stomach discomfort; anemia
TTHM	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Apr 30, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Apr 30, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Apr 30, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Apr 30, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Mar 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Mar 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Mar 31, 2021	Resolved	N/A
Interim Enhanced Surface Water Treatment Rule	Health-Based	N/A	N/A	Mar 31, 2021	Resolved	N/A

Lead & Copper Levels

Violation Timeline

2025(13)

Public Notice

Sep 10Active

Stage 1 Disinfectants and Disinfection Byproducts Rule

Jul 31Resolved

Stage 1 Disinfectants and Disinfection Byproducts Rule

Jul 31Resolved

Stage 1 Disinfectants and Disinfection Byproducts Rule

Jul 31Resolved

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

Revised Total Coliform Rule

Feb 26Resolved

Revised Total Coliform Rule

Feb 26Resolved

Revised Total Coliform Rule

Feb 26Resolved

2024(11)

Consumer Confidence Rule

Sep 30Active

Consumer Confidence Rule

Sep 30Active

Surface Water Treatment Rule

Sep 30Resolved

Surface Water Treatment Rule

Sep 30Resolved

Surface Water Treatment Rule

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

Revised Total Coliform Rule

Feb 14Resolved

Revised Total Coliform Rule

Feb 14Resolved

Revised Total Coliform Rule

Feb 14Resolved

2023(117)

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

Surface Water Treatment Rule

Dec 31Resolved

Surface Water Treatment Rule

Dec 31Resolved

Surface Water Treatment Rule

Dec 31Resolved

Chloramine

Dec 31Resolved

Chloramine

Dec 31Resolved

Chloramine

Dec 31Resolved

Chloramine

Dec 31Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

Lead and Copper Rule

Sep 30Resolved

Lead and Copper Rule

Sep 30Resolved

Lead and Copper Rule

Sep 30Resolved

Lead and Copper Rule

Sep 30Resolved

E. COLI

Aug 31Resolved

E. COLI

Aug 31Resolved

E. COLI

Aug 31Resolved

Lead and Copper Rule

Aug 15Resolved

Lead and Copper Rule

Aug 15Resolved

Lead and Copper Rule

Aug 15Resolved

Lead and Copper Rule

Aug 15Resolved

Public Notice

Jul 12Resolved

Public Notice

Jul 12Resolved

Public Notice

Jul 12Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

Lead and Copper Rule

Jun 30Resolved

Lead and Copper Rule

Jun 30Resolved

Lead and Copper Rule

Jun 30Resolved

Lead and Copper Rule

Jun 30Resolved

E. COLI

May 31Resolved

E. COLI

May 31Resolved

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

Trichloroethylene

Mar 31Resolved

Vinyl chloride

Mar 31Resolved

DICHLOROMETHANE

Mar 31Resolved

Carbon tetrachloride

Mar 31Resolved

Carbon tetrachloride

Mar 31Resolved

Carbon tetrachloride

Mar 31Resolved

Tetrachloroethylene

Mar 31Resolved

Tetrachloroethylene

Mar 31Resolved

Tetrachloroethylene

Mar 31Resolved

Benzene

Mar 31Resolved

Benzene

Mar 31Resolved

Benzene

Mar 31Resolved

1,1,2-Trichloroethane

Mar 31Resolved

1,1,2-Trichloroethane

Mar 31Resolved

1,1,2-Trichloroethane

Mar 31Resolved

1,2,4-Trichlorobenzene

Mar 31Resolved

1,2,4-Trichlorobenzene

Mar 31Resolved

1,2,4-Trichlorobenzene

Mar 31Resolved

Xylenes, Total

Mar 31Resolved

Xylenes, Total

Mar 31Resolved

Xylenes, Total

Mar 31Resolved

p-Dichlorobenzene

Mar 31Resolved

p-Dichlorobenzene

Mar 31Resolved

p-Dichlorobenzene

Mar 31Resolved

1,1-Dichloroethylene

Mar 31Resolved

1,1-Dichloroethylene

Mar 31Resolved

1,1-Dichloroethylene

Mar 31Resolved

trans-1,2-Dichloroethylene

Mar 31Resolved

trans-1,2-Dichloroethylene

Mar 31Resolved

trans-1,2-Dichloroethylene

Mar 31Resolved

1,1,1-Trichloroethane

Mar 31Resolved

1,1,1-Trichloroethane

Mar 31Resolved

1,1,1-Trichloroethane

Mar 31Resolved

1,2-Dichloropropane

Mar 31Resolved

1,2-Dichloropropane

Mar 31Resolved

1,2-Dichloropropane

Mar 31Resolved

CHLOROBENZENE

Mar 31Resolved

CHLOROBENZENE

Mar 31Resolved

CHLOROBENZENE

Mar 31Resolved

Toluene

Mar 31Resolved

Toluene

Mar 31Resolved

Toluene

Mar 31Resolved

Ethylbenzene

Mar 31Resolved

Ethylbenzene

Mar 31Resolved

Ethylbenzene

Mar 31Resolved

Xylenes, Total

Mar 31Resolved

Xylenes, Total

Mar 31Resolved

Xylenes, Total

Mar 31Resolved

1,2-Dichloroethane

Mar 31Resolved

1,2-Dichloroethane

Mar 31Resolved

1,2-Dichloroethane

Mar 31Resolved

Vinyl chloride

Mar 31Resolved

Styrene

Mar 31Resolved

Styrene

Mar 31Resolved

Styrene

Mar 31Resolved

cis-1,2-Dichloroethylene

Mar 31Resolved

cis-1,2-Dichloroethylene

Mar 31Resolved

cis-1,2-Dichloroethylene

Mar 31Resolved

o-Dichlorobenzene

Mar 31Resolved

o-Dichlorobenzene

Mar 31Resolved

o-Dichlorobenzene

Mar 31Resolved

Trichloroethylene

Mar 31Resolved

DICHLOROMETHANE

Mar 31Resolved

Trichloroethylene

Mar 31Resolved

Vinyl chloride

Mar 31Resolved

DICHLOROMETHANE

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

2022(94)

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

Lead and Copper Rule

Dec 31Resolved

Total Haloacetic Acids (HAA5)

Dec 31Resolved

Lead and Copper Rule

Dec 31Resolved

Lead and Copper Rule

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

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

Public Notice

Oct 11Resolved

Public Notice

Oct 11Resolved

Public Notice

Oct 11Resolved

Stage 2 Disinfectants and Disinfection Byproducts Rule

Oct 10Resolved

Stage 2 Disinfectants and Disinfection Byproducts Rule

Oct 10Resolved

Revised Total Coliform Rule

Oct 10Resolved

Revised Total Coliform Rule

Oct 10Resolved

Revised Total Coliform Rule

Oct 10Resolved

Revised Total Coliform Rule

Oct 10Resolved

Stage 2 Disinfectants and Disinfection Byproducts Rule

Oct 10Resolved

Stage 2 Disinfectants and Disinfection Byproducts Rule

Oct 10Resolved

Public Notice

Oct 1Resolved

Public Notice

Oct 1Resolved

Public Notice

Oct 1Resolved

Consumer Confidence Rule

Sep 30Resolved

Consumer Confidence Rule

Sep 30Resolved

Consumer Confidence Rule

Sep 30Resolved

Public Notice

Sep 8Resolved

Public Notice

Sep 8Resolved

Surface Water Treatment Rule

Aug 31Resolved

Surface Water Treatment Rule

Aug 31Resolved

Surface Water Treatment Rule

Aug 31Resolved

Stage 1 Disinfectants and Disinfection Byproducts Rule

Aug 5Resolved

Stage 1 Disinfectants and Disinfection Byproducts Rule

Aug 5Resolved

Stage 1 Disinfectants and Disinfection Byproducts Rule

Aug 5Resolved

Stage 1 Disinfectants and Disinfection Byproducts Rule

Aug 5Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Surface Water Treatment Rule

Jul 31Resolved

Surface Water Treatment Rule

Jul 31Resolved

Surface Water Treatment Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Consumer Confidence Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Consumer Confidence 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

Chloramine

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Surface Water Treatment Rule

Jun 30Resolved

Surface Water Treatment Rule

Jun 30Resolved

Surface Water Treatment Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Chloramine

Jun 30Resolved

Chloramine

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Chlorine

Jun 30Resolved

Chlorine

Jun 30Resolved

Chlorine

Jun 30Resolved

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

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

Apr 30Resolved

Surface Water Treatment Rule

Mar 31Resolved

Surface Water Treatment Rule

Mar 31Resolved

Surface Water Treatment Rule

Mar 31Resolved

Surface Water Treatment Rule

Mar 31Resolved

Chloramine

Mar 31Resolved

Chloramine

Mar 31Resolved

Chloramine

Mar 31Resolved

How Does This Compare?

GREENWOOD VILLAGE (80111) has 249 recorded violations, including 50 health-based. 3 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 GREENWOOD VILLAGE, CO (80111)

What does this mean?

Violations Detail (249 total)

Lead & Copper Levels

Violation Timeline

2025(13)

2024(11)

2023(117)

2022(94)

2021(14)

How Does This Compare?

Recommended Water Filters

Reverse Osmosis System

Activated Carbon Filter

UV Water Purifier

Nearby ZIP Codes

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