Water Quality in ARVADA, CO (80004)
EPA violation data for public water systems serving ZIP code 80004.
10
Total Violations
8
Health-Based
2
Monitoring / Reporting
10
Resolved
What does this mean?
10 of 10 violations have been resolved. 8 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 2 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 (10 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Public Notice | Monitoring | N/A | N/A | Sep 6, 2025 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Sep 6, 2025 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Jul 31, 2025 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Jul 31, 2025 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Jul 31, 2025 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Jul 31, 2025 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
Violation Timeline
2025(10)
Public Notice
75
Public Notice
75
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
44
How Does This Compare?
ARVADA (80004) has 10 recorded violations, including 8 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.
Whole House Carbon Filter
A solid baseline for improving overall water quality. Reduces chlorine, sediment, and many common contaminants throughout your entire home.
Targets:Chlorine, Sediment, Taste & Odor
Look for:NSF/ANSI 42 certified
Always look for filters certified by NSF International for the specific contaminants you want to remove.