Water Quality in GUFFEY, CO (80820)
EPA violation data for public water systems serving ZIP code 80820.
80
Total Violations
36
Health-Based
44
Monitoring / Reporting
78
Resolved
What does this mean?
78 of 80 violations have been resolved. 36 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 44 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 (80 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Lead and Copper Rule | Monitoring | N/A | N/A | Dec 31, 2024 | Active | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Dec 31, 2024 | Active | N/A |
| Public Notice | Monitoring | N/A | N/A | Nov 30, 2022 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Nov 30, 2022 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Nov 28, 2022 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Nov 28, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Nov 26, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Nov 26, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Nov 26, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Nov 26, 2022 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2024(2)
Lead and Copper Rule
66
Lead and Copper Rule
66
2022(66)
Public Notice
76
Public Notice
76
Public Notice
76
Public Notice
76
Revised Total Coliform Rule
2C
Revised Total Coliform Rule
2C
Revised Total Coliform Rule
2C
Revised Total Coliform Rule
2C
Revised Total Coliform Rule
2C
Revised Total Coliform Rule
2C
Revised Total Coliform Rule
2C
Revised Total Coliform Rule
2C
Revised Total Coliform Rule
2C
Revised Total Coliform Rule
2C
Revised Total Coliform Rule
2C
Revised Total Coliform Rule
2C
Revised Total Coliform Rule
2C
Revised Total Coliform Rule
2C
Revised Total Coliform Rule
2C
Revised Total Coliform Rule
2C
Revised Total Coliform Rule
2C
Revised Total Coliform Rule
2C
Revised Total Coliform Rule
2C
Revised Total Coliform Rule
2C
Revised Total Coliform Rule
2C
Revised Total Coliform Rule
2C
Revised Total Coliform Rule
2C
Revised Total Coliform Rule
2C
Revised Total Coliform Rule
2C
Public Notice
75
Public Notice
75
Public Notice
76
Public Notice
76
Public Notice
76
Public Notice
76
Nitrate
02
Nitrate
04
Nitrate
04
Nitrate
04
Nitrate
02
Nitrate
02
Public Notice
75
Public Notice
75
Nitrate
01
Nitrate
01
Nitrate
01
E. COLI
34
E. COLI
34
E. COLI
34
Nitrate
03
Nitrate
03
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Nitrate
03
Nitrate
03
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Nitrate
03
Nitrate
03
Nitrate
03
Nitrate
03
Nitrate
03
How Does This Compare?
GUFFEY (80820) has 80 recorded violations, including 36 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
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.