Water Quality in DENALI PARK, AK (99755)
EPA violation data for public water systems serving ZIP code 99755.
65
Total Violations
9
Health-Based
56
Monitoring / Reporting
64
Resolved
What does this mean?
64 of 65 violations have been resolved. 9 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 56 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 (65 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2025 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Jul 5, 2025 | Active | N/A |
| Chlorine | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | Eye and nose irritation; stomach discomfort |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2025 | Resolved | N/A |
| Chlorine | Monitoring | N/A | N/A | Apr 30, 2025 | Resolved | Eye and nose irritation; stomach discomfort |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | Jul 17, 2024 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Jul 1, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2025(7)
Revised Total Coliform Rule
3B
Lead and Copper Rule
66
Chlorine
27
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Chlorine
27
Revised Total Coliform Rule
3A
2024(4)
Groundwater Rule
20
Lead and Copper Rule
66
Revised Total Coliform Rule
3A
Lead and Copper Rule
66
How Does This Compare?
DENALI PARK (99755) has 65 recorded violations, including 9 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
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.