Water Quality in SHISHMAREF, AK (99772)
EPA violation data for public water systems serving ZIP code 99772.
53
Total Violations
12
Health-Based
41
Monitoring / Reporting
53
Resolved
What does this mean?
53 of 53 violations have been resolved. 12 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 41 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 (53 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| TTHM | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Surface Water Treatment Rule | Monitoring | N/A | N/A | May 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2025 | Resolved | N/A |
| Chlorine | Monitoring | N/A | N/A | May 31, 2025 | Resolved | Eye and nose irritation; stomach discomfort |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jan 31, 2025 | Resolved | N/A |
| Chlorine | Monitoring | N/A | N/A | Jan 31, 2025 | Resolved | Eye and nose irritation; stomach discomfort |
| Surface Water Treatment Rule | Monitoring | N/A | N/A | Jan 31, 2025 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Jan 31, 2025 | Resolved | N/A |
| Surface Water Treatment Rule | Monitoring | N/A | N/A | Nov 30, 2023 | Resolved | N/A |
Violation Timeline
2025(9)
TTHM
27
Total Haloacetic Acids (HAA5)
27
Surface Water Treatment Rule
36
Revised Total Coliform Rule
3A
Chlorine
27
Revised Total Coliform Rule
3A
Chlorine
27
Surface Water Treatment Rule
36
Interim Enhanced Surface Water Treatment Rule
38
2023(12)
Surface Water Treatment Rule
36
Revised Total Coliform Rule
3A
Chlorine
27
Revised Total Coliform Rule
3A
Surface Water Treatment Rule
36
Interim Enhanced Surface Water Treatment Rule
38
Chlorine
27
Revised Total Coliform Rule
3A
Surface Water Treatment Rule
36
Chlorine
27
Surface Water Treatment Rule
36
Revised Total Coliform Rule
3A
How Does This Compare?
SHISHMAREF (99772) has 53 recorded violations, including 12 health-based. All violations have been resolved, which is a positive sign for current water quality. 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.
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.