Water Quality in ANCHORAGE, AK (99511)
EPA violation data for public water systems serving ZIP code 99511.
131
Total Violations
1
Health-Based
130
Monitoring / Reporting
131
Resolved
What does this mean?
131 of 131 violations have been resolved. 1 is a health-based violation, meaning contaminant levels exceeded federal safety limits. The remaining 130 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 (131 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| 1,2-Dichloroethane | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Ethylbenzene | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| 1,2,4-Trichlorobenzene | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| 1,2,4-Trichlorobenzene | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| o-Dichlorobenzene | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| o-Dichlorobenzene | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Ethylbenzene | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Ethylbenzene | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| 1,1-Dichloroethylene | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| 1,1-Dichloroethylene | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2024(84)
1,2-Dichloroethane
03
Ethylbenzene
03
1,2,4-Trichlorobenzene
03
1,2,4-Trichlorobenzene
03
o-Dichlorobenzene
03
o-Dichlorobenzene
03
Ethylbenzene
03
Ethylbenzene
03
1,1-Dichloroethylene
03
1,1-Dichloroethylene
03
1,1,1-Trichloroethane
03
1,1,1-Trichloroethane
03
1,2,4-Trichlorobenzene
03
o-Dichlorobenzene
03
o-Dichlorobenzene
03
Carbon tetrachloride
03
cis-1,2-Dichloroethylene
03
cis-1,2-Dichloroethylene
03
1,2-Dichloroethane
03
1,2-Dichloroethane
03
Carbon tetrachloride
03
trans-1,2-Dichloroethylene
03
trans-1,2-Dichloroethylene
03
Tetrachloroethylene
03
Tetrachloroethylene
03
1,2-Dichloropropane
03
1,2-Dichloropropane
03
p-Dichlorobenzene
03
p-Dichlorobenzene
03
Carbon tetrachloride
03
Carbon tetrachloride
03
Styrene
03
1,2-Dichloroethane
03
Styrene
03
Styrene
03
Styrene
03
Vinyl chloride
03
Vinyl chloride
03
Trichloroethylene
03
Trichloroethylene
03
Tetrachloroethylene
03
Toluene
03
Toluene
03
CHLOROBENZENE
03
CHLOROBENZENE
03
1,2,4-Trichlorobenzene
03
1,1,2-Trichloroethane
03
1,2-Dichloropropane
03
1,2-Dichloropropane
03
trans-1,2-Dichloroethylene
03
trans-1,2-Dichloroethylene
03
p-Dichlorobenzene
03
p-Dichlorobenzene
03
DICHLOROMETHANE
03
DICHLOROMETHANE
03
Xylenes, Total
03
Xylenes, Total
03
cis-1,2-Dichloroethylene
03
cis-1,2-Dichloroethylene
03
Xylenes, Total
03
Xylenes, Total
03
DICHLOROMETHANE
03
DICHLOROMETHANE
03
1,1-Dichloroethylene
03
1,1-Dichloroethylene
03
1,1,1-Trichloroethane
03
1,1,1-Trichloroethane
03
1,1,2-Trichloroethane
03
1,1,2-Trichloroethane
03
Tetrachloroethylene
03
Benzene
03
Benzene
03
Vinyl chloride
03
Vinyl chloride
03
Trichloroethylene
03
Trichloroethylene
03
Benzene
03
Benzene
03
Ethylbenzene
03
CHLOROBENZENE
03
CHLOROBENZENE
03
Toluene
03
Toluene
03
1,1,2-Trichloroethane
03
2023(44)
Vinyl chloride
03
Ethylbenzene
03
Ethylbenzene
03
CHLOROBENZENE
03
1,1,2-Trichloroethane
03
1,1,1-Trichloroethane
03
1,2-Dichloroethane
03
1,1-Dichloroethylene
03
p-Dichlorobenzene
03
o-Dichlorobenzene
03
Xylenes, Total
03
Styrene
03
1,2,4-Trichlorobenzene
03
Styrene
03
Toluene
03
1,2-Dichloropropane
03
1,2-Dichloroethane
03
Benzene
03
Carbon tetrachloride
03
cis-1,2-Dichloroethylene
03
p-Dichlorobenzene
03
trans-1,2-Dichloroethylene
03
Vinyl chloride
03
Benzene
03
Carbon tetrachloride
03
CHLOROBENZENE
03
1,1-Dichloroethylene
03
DICHLOROMETHANE
03
Tetrachloroethylene
03
Toluene
03
Xylenes, Total
03
o-Dichlorobenzene
03
1,2-Dichloropropane
03
Trichloroethylene
03
1,1,2-Trichloroethane
03
1,1,1-Trichloroethane
03
1,2,4-Trichlorobenzene
03
trans-1,2-Dichloroethylene
03
DICHLOROMETHANE
03
Tetrachloroethylene
03
Trichloroethylene
03
cis-1,2-Dichloroethylene
03
Revised Total Coliform Rule
5A
Groundwater Rule
45
How Does This Compare?
ANCHORAGE (99511) has 131 recorded violations, including 1 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
One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.
Targets:Nitrate, Nitrite, Dissolved Solids
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.