Water Quality in THORNTON, CO (80229)
EPA violation data for public water systems serving ZIP code 80229.
31
Total Violations
0
Health-Based
31
Monitoring / Reporting
31
Resolved
What does this mean?
31 of 31 violations have been resolved. None of these are health-based violations — no contaminant levels exceeded federal safety limits. The remaining 31 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.
Violations Detail (31 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Oct 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Oct 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Oct 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Oct 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2023(16)
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Lead and Copper Rule
52
Lead and Copper Rule
52
Lead and Copper Rule
52
Lead and Copper Rule
52
2022(11)
Public Notice
76
Public Notice
76
Combined Radium (-226 and -228)
03
Gross Alpha, Excl. Radon and U
03
Gross Alpha, Excl. Radon and U
03
Gross Alpha, Excl. Radon and U
03
Combined Uranium
03
Combined Uranium
03
Combined Radium (-226 and -228)
03
Combined Radium (-226 and -228)
03
Combined Uranium
03
How Does This Compare?
THORNTON (80229) has 31 recorded violations, none of which are health-based. All violations have been resolved, which is a positive sign for current water quality. 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
Always look for filters certified by NSF International for the specific contaminants you want to remove.