Water Quality in JAMESTOWN, CO (80455)
EPA violation data for public water systems serving ZIP code 80455.
51
Total Violations
0
Health-Based
51
Monitoring / Reporting
48
Resolved
What does this mean?
48 of 51 violations have been resolved. None of these are health-based violations — no contaminant levels exceeded federal safety limits. The remaining 51 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 (51 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Public Notice | Monitoring | N/A | N/A | May 23, 2025 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | May 23, 2025 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Feb 23, 2025 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Feb 23, 2025 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Dec 26, 2024 | Active | N/A |
| Public Notice | Monitoring | N/A | N/A | Sep 26, 2024 | Active | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 26, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 26, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 26, 2024 | Resolved | N/A |
| Surface Water Treatment Rule | Monitoring | N/A | N/A | Jul 31, 2024 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2025(4)
Public Notice
76
Public Notice
76
Public Notice
76
Public Notice
76
2024(12)
Public Notice
76
Public Notice
76
Revised Total Coliform Rule
5A
Revised Total Coliform Rule
5A
Revised Total Coliform Rule
5A
Surface Water Treatment Rule
36
Surface Water Treatment Rule
36
Surface Water Treatment Rule
36
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Public Notice
76
How Does This Compare?
JAMESTOWN (80455) has 51 recorded violations, none of which are health-based. 3 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.
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.