Water Quality in WASILLA, AK (99687)
EPA violation data for public water systems serving ZIP code 99687.
95
Total Violations
20
Health-Based
75
Monitoring / Reporting
82
Resolved
What does this mean?
82 of 95 violations have been resolved. 20 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 75 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 (95 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Public Notice | Monitoring | N/A | N/A | Sep 16, 2025 | Active | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Jun 30, 2025 | Active | N/A |
| Arsenic | Health-Based | N/A | 0.012 | Jun 30, 2025 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Lead and Copper Rule | Monitoring | N/A | N/A | Jun 30, 2025 | Active | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 1, 2025 | Active | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | N/A |
| Arsenic | Health-Based | N/A | 0.011 | Mar 31, 2025 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
Lead & Copper Levels
Violation Timeline
2025(13)
Public Notice
75
Lead and Copper Rule
52
Arsenic
02
Lead and Copper Rule
51
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
5A
Revised Total Coliform Rule
5A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Arsenic
02
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
5A
2024(38)
Styrene
03
Vinyl chloride
03
o-Dichlorobenzene
03
Combined Uranium
03
Combined Radium (-226 and -228)
03
Carbon tetrachloride
03
1,1-Dichloroethylene
03
1,1,1-Trichloroethane
03
1,2-Dichloroethane
03
Tetrachloroethylene
03
DICHLOROMETHANE
03
p-Dichlorobenzene
03
Gross Alpha, Excl. Radon and U
03
CHLOROBENZENE
03
Trichloroethylene
03
1,2-Dichloropropane
03
Ethylbenzene
03
Xylenes, Total
03
Toluene
03
trans-1,2-Dichloroethylene
03
1,1,2-Trichloroethane
03
1,2,4-Trichlorobenzene
03
cis-1,2-Dichloroethylene
03
Benzene
03
Revised Total Coliform Rule
3A
Arsenic
03
Arsenic
02
Lead and Copper Rule
52
Lead and Copper Rule
52
Revised Total Coliform Rule
3B
Revised Total Coliform Rule
3B
Arsenic
02
Revised Total Coliform Rule
3A
Public Notice
76
Groundwater Rule
45
Revised Total Coliform Rule
3A
Groundwater Rule
20
Revised Total Coliform Rule
2C
How Does This Compare?
WASILLA (99687) has 95 recorded violations, including 20 health-based. 13 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.