Water Quality in CENTENNIAL, CO (80112)
EPA violation data for public water systems serving ZIP code 80112.
30
Total Violations
0
Health-Based
30
Monitoring / Reporting
28
Resolved
What does this mean?
28 of 30 violations have been resolved. None of these are health-based violations — no contaminant levels exceeded federal safety limits. The remaining 30 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 (30 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| 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 | Active | N/A |
| Surface Water Treatment Rule | Monitoring | N/A | N/A | May 31, 2025 | Resolved | N/A |
| Surface Water Treatment Rule | Monitoring | N/A | N/A | May 31, 2025 | Resolved | N/A |
| Surface Water Treatment Rule | Monitoring | N/A | N/A | May 31, 2025 | Resolved | N/A |
| Chloramine | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | Eye and nose irritation; stomach discomfort; anemia |
| Chloramine | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | Eye and nose irritation; stomach discomfort; anemia |
| Chloramine | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | Eye and nose irritation; stomach discomfort; anemia |
| Public Notice | Monitoring | N/A | N/A | Mar 23, 2025 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Mar 23, 2025 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2025(10)
Lead and Copper Rule
52
Lead and Copper Rule
52
Surface Water Treatment Rule
36
Surface Water Treatment Rule
36
Surface Water Treatment Rule
36
Chloramine
27
Chloramine
27
Chloramine
27
Public Notice
76
Public Notice
76
2024(6)
Total Haloacetic Acids (HAA5)
27
Total Haloacetic Acids (HAA5)
27
Total Haloacetic Acids (HAA5)
27
TTHM
27
TTHM
27
TTHM
27
How Does This Compare?
CENTENNIAL (80112) has 30 recorded violations, none of which are health-based. 2 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
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
Always look for filters certified by NSF International for the specific contaminants you want to remove.