Water Quality in PORT LIONS, AK (99550)
EPA violation data for public water systems serving ZIP code 99550.
55
Total Violations
15
Health-Based
40
Monitoring / Reporting
55
Resolved
What does this mean?
55 of 55 violations have been resolved. 15 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 40 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 (55 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Surface Water Treatment Rule | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | N/A |
| Chlorine | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | Eye and nose irritation; stomach discomfort |
| Surface Water Treatment Rule | Monitoring | N/A | N/A | Feb 28, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Feb 28, 2025 | Resolved | N/A |
| Chlorine | Monitoring | N/A | N/A | Feb 28, 2025 | Resolved | Eye and nose irritation; stomach discomfort |
| Chlorine | Monitoring | N/A | N/A | Nov 30, 2024 | Resolved | Eye and nose irritation; stomach discomfort |
| Surface Water Treatment Rule | Monitoring | N/A | N/A | Nov 30, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Nov 30, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Monitoring | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Health-Based | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2025(5)
Surface Water Treatment Rule
36
Chlorine
27
Surface Water Treatment Rule
36
Revised Total Coliform Rule
3A
Chlorine
27
2024(9)
Chlorine
27
Surface Water Treatment Rule
36
Revised Total Coliform Rule
3A
LEAD AND COPPER RULE REVISIONS
4G
LEAD AND COPPER RULE REVISIONS
2E
Revised Total Coliform Rule
3A
Chlorine
27
Interim Enhanced Surface Water Treatment Rule
38
Revised Total Coliform Rule
3A
How Does This Compare?
PORT LIONS (99550) has 55 recorded violations, including 15 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.
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.