Water Quality in GOLDEN, CO (80401)
EPA violation data for public water systems serving ZIP code 80401.
48
Total Violations
0
Health-Based
48
Monitoring / Reporting
47
Resolved
What does this mean?
47 of 48 violations have been resolved. None of these are health-based violations — no contaminant levels exceeded federal safety limits. The remaining 48 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 (48 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2025 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Aug 1, 2025 | Active | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 1, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 1, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 1, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Nov 30, 2024 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2025(9)
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Public Notice
76
Revised Total Coliform Rule
5A
Revised Total Coliform Rule
5A
Revised Total Coliform Rule
5A
Revised Total Coliform Rule
3A
2024(8)
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
How Does This Compare?
GOLDEN (80401) has 48 recorded violations, none of which are health-based. 1 remains 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
One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.
Targets:Nitrate, Nitrite, Dissolved Solids
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
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
Always look for filters certified by NSF International for the specific contaminants you want to remove.