Water Quality in CHEFORNAK, AK (99561)
EPA violation data for public water systems serving ZIP code 99561.
88
Total Violations
5
Health-Based
83
Monitoring / Reporting
87
Resolved
What does this mean?
87 of 88 violations have been resolved. 5 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 83 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 (88 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | N/A |
| Glyphosate | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| Simazine | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| Heptachlor | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| Endothall | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| Heptachlor epoxide | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| Carbofuran | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| Dalapon | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| Atrazine | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | Cardiovascular system or reproductive problems |
| 1,2-DIBROMO-3-CHLOROPROPANE | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2025(1)
Revised Total Coliform Rule
3A
2024(41)
Glyphosate
03
Simazine
03
Heptachlor
03
Endothall
03
Heptachlor epoxide
03
Carbofuran
03
Dalapon
03
Atrazine
03
1,2-DIBROMO-3-CHLOROPROPANE
03
Endrin
03
Pentachlorophenol
03
BHC-GAMMA
03
Methoxychlor
03
Hexachlorocyclopentadiene
03
Toxaphene
03
Di(2-ethylhexyl) adipate
03
Diquat
03
Revised Total Coliform Rule
3A
2,4-D
03
Dinoseb
03
2,4,5-TP
03
Chlordane
03
ETHYLENE DIBROMIDE
03
Total Polychlorinated Biphenyls (PCB)
03
HEXACHLOROBENZENE
03
OXAMYL
03
2,3,7,8-TCDD
03
LASSO
03
Picloram
03
Di(2-ethylhexyl) phthalate
03
Benzo(a)pyrene
03
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Consumer Confidence Rule
72
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Groundwater Rule
45
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
How Does This Compare?
CHEFORNAK (99561) has 88 recorded violations, including 5 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.