Water Quality in HOLLY, CO (81047)

EPA violation data for public water systems serving ZIP code 81047.

255

Total Violations

126

Health-Based

129

Monitoring / Reporting

249

Resolved

What does this mean?

249 of 255 violations have been resolved. 126 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 129 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: 4 Population served: 1,377

Violations Detail (255 total)

Contaminant	Category	MCL Limit	Measured	Date	Status	Health Effects
Combined Radium (-226 and -228)	Health-Based	N/A	6	Sep 30, 2025	Active	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Sep 30, 2025	Active	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Sep 30, 2025	Active	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Jun 30, 2025	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Jun 30, 2025	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Jun 30, 2025	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	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
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Jun 30, 2025	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Jun 30, 2025	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Mar 31, 2025	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Mar 31, 2025	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Mar 31, 2025	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Mar 31, 2025	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Mar 31, 2025	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Mar 31, 2025	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Mar 31, 2025	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Mar 31, 2025	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Mar 31, 2025	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Mar 31, 2025	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Mar 31, 2025	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Mar 31, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 22, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 22, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 22, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 22, 2025	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Dec 31, 2024	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Dec 31, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Dec 31, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Dec 31, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Dec 31, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Dec 31, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Dec 31, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	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
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Dec 31, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Dec 31, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Dec 31, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Dec 31, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Sep 30, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Sep 30, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Sep 30, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Sep 30, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Sep 30, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Sep 30, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Sep 30, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Sep 30, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Sep 30, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Sep 30, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Sep 30, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Sep 30, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 6, 2024	Active	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.58	Jun 30, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.58	Jun 30, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.58	Jun 30, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.58	Jun 30, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.1	Jun 30, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.1	Jun 30, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.1	Jun 30, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.1	Jun 30, 2024	Resolved	N/A
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
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
Combined Radium (-226 and -228)	Health-Based	N/A	6.9	Jun 30, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.9	Jun 30, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.9	Jun 30, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.9	Jun 30, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jun 6, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jun 6, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 11, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Apr 11, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.13	Mar 31, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.47	Mar 31, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.47	Mar 31, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.47	Mar 31, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.13	Mar 31, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.13	Mar 31, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.9	Mar 31, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.9	Mar 31, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.9	Mar 31, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.9	Mar 31, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Mar 10, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Mar 10, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 16, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 16, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2024	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.63	Dec 31, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.08	Dec 31, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.08	Dec 31, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.08	Dec 31, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.08	Dec 31, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.63	Dec 31, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.63	Dec 31, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.63	Dec 31, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.72	Dec 31, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.72	Dec 31, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.72	Dec 31, 2023	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Eye and nose irritation; stomach discomfort
Combined Radium (-226 and -228)	Health-Based	N/A	6.72	Dec 31, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Nov 16, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Nov 16, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Nov 16, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Nov 16, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Sep 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	5.52	Sep 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	5.52	Sep 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	5.52	Sep 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	5.52	Sep 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Sep 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Sep 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Sep 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7.17	Sep 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7.17	Sep 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7.17	Sep 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7.17	Sep 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.6	Jun 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.6	Jun 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.6	Jun 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.6	Jun 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.9	Jun 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.9	Jun 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.9	Jun 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.9	Jun 30, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	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
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Eye and nose irritation; stomach discomfort
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
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
DICHLOROMETHANE	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
DICHLOROMETHANE	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
DICHLOROMETHANE	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Feb 28, 2022	Resolved	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Feb 28, 2022	Resolved	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Feb 28, 2022	Resolved	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Feb 28, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 25, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 25, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 25, 2022	Resolved	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Jan 15, 2022	Resolved	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Jan 15, 2022	Resolved	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Jan 15, 2022	Resolved	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Jan 15, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 5, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 5, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Dec 5, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Nov 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Nov 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Nov 30, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	Eye and nose irritation; stomach discomfort
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.85	Sep 30, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.85	Sep 30, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.85	Sep 30, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.85	Sep 30, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.85	Sep 30, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Aug 9, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Aug 9, 2021	Resolved	N/A
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
Public Notice	Monitoring	N/A	N/A	Jul 2, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Combined Radium (-226 and -228)	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
Combined Radium (-226 and -228)	Health-Based	N/A	6	Jun 30, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Chlorine	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Eye and nose irritation; stomach discomfort
Consumer Confidence 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
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Jun 30, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Jun 30, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Jun 30, 2021	Resolved	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Mar 31, 2021	Resolved	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Mar 31, 2021	Resolved	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Mar 31, 2021	Resolved	N/A
Stage 1 Disinfectants and Disinfection Byproducts Rule	Health-Based	N/A	N/A	Mar 31, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.45	Mar 31, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.45	Mar 31, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.45	Mar 31, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.45	Mar 31, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6.45	Mar 31, 2021	Resolved	N/A

Lead & Copper Levels

Violation Timeline

2025(32)

Combined Radium (-226 and -228)

Sep 30Active

Combined Radium (-226 and -228)

Sep 30Active

Combined Radium (-226 and -228)

Sep 30Active

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Public Notice

Jan 22Resolved

Public Notice

Jan 22Resolved

Public Notice

Jan 22Resolved

Public Notice

Jan 22Resolved

2024(72)

Lead and Copper Rule

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Lead and Copper Rule

Dec 31Resolved

Lead and Copper Rule

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Lead and Copper Rule

Dec 31Active

Lead and Copper Rule

Dec 31Active

Lead and Copper Rule

Dec 31Resolved

Lead and Copper Rule

Dec 31Resolved

Lead and Copper Rule

Dec 31Resolved

Lead and Copper Rule

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Public Notice

Sep 6Active

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Public Notice

Jun 6Resolved

Public Notice

Jun 6Resolved

Public Notice

Apr 11Resolved

Public Notice

Apr 11Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Public Notice

Mar 10Resolved

Public Notice

Mar 10Resolved

Public Notice

Feb 16Resolved

Public Notice

Feb 16Resolved

Revised Total Coliform Rule

Jan 31Resolved

Revised Total Coliform Rule

Jan 31Resolved

Revised Total Coliform Rule

Jan 31Resolved

Revised Total Coliform Rule

Jan 31Resolved

2023(62)

Combined Radium (-226 and -228)

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Chlorine

Dec 31Resolved

Chlorine

Dec 31Resolved

Chlorine

Dec 31Resolved

Chlorine

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Public Notice

Nov 16Resolved

Public Notice

Nov 16Resolved

Public Notice

Nov 16Resolved

Public Notice

Nov 16Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Chlorine

Mar 31Resolved

Chlorine

Mar 31Resolved

Chlorine

Mar 31Resolved

2021(60)

Combined Radium (-226 and -228)

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Public Notice

Dec 5Resolved

Public Notice

Dec 5Resolved

Public Notice

Dec 5Resolved

Revised Total Coliform Rule

Nov 30Resolved

Revised Total Coliform Rule

Nov 30Resolved

Revised Total Coliform Rule

Nov 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Chlorine

Sep 30Resolved

Chlorine

Sep 30Resolved

Chlorine

Sep 30Resolved

Lead and Copper Rule

Sep 30Resolved

Lead and Copper Rule

Sep 30Resolved

Lead and Copper Rule

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Lead and Copper Rule

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Public Notice

Aug 9Resolved

Public Notice

Aug 9Resolved

Public Notice

Jul 2Resolved

Public Notice

Jul 2Resolved

Public Notice

Jul 2Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Chlorine

Jun 30Resolved

Chlorine

Jun 30Resolved

Chlorine

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Combined Radium (-226 and -228)

Jun 30Resolved

Stage 1 Disinfectants and Disinfection Byproducts Rule

Mar 31Resolved

Stage 1 Disinfectants and Disinfection Byproducts Rule

Mar 31Resolved

Stage 1 Disinfectants and Disinfection Byproducts Rule

Mar 31Resolved

Stage 1 Disinfectants and Disinfection Byproducts Rule

Mar 31Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

Combined Radium (-226 and -228)

Mar 31Resolved

How Does This Compare?

HOLLY (81047) has 255 recorded violations, including 126 health-based. 6 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 HOLLY, CO (81047)

What does this mean?

Violations Detail (255 total)

Lead & Copper Levels

Violation Timeline

2025(32)

2024(72)

2023(62)

2022(29)

2021(60)

How Does This Compare?

Recommended Water Filters

Reverse Osmosis System

Activated Carbon Filter

UV Water Purifier

Nearby ZIP Codes

Check Another ZIP Code