PlainWater

ST. MARYS WATER SYSTEM

PWS ID: AK2270176 · SAINT MARYS, Alaska 99658

Population Served
548
Total Violations
387
Health-Based Violations
27
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Native American
Connections
174
County
Wade Hampton Census Area
School/Daycare
No
MCL Violations
1
Monitoring Violations
234
Treatment Tech Violations
26

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Interim Enhanced Surface Water Treatment Rule MR 36 2025
Total Haloacetic Acids (HAA5) MR 20 2025
Lead and Copper Rule MR 19 2025
Surface Water Treatment Rule MR 18 2024
Interim Enhanced Surface Water Treatment Rule TT 18 2024
TTHM MR 16 2025
Consumer Confidence Rule Other 10 2021
Coliform (TCR) MR 8 2013
Surface Water Treatment Rule TT 8 2024
Nitrate MR 7 2022
Chlorine MR 6 2024
1,1,1-Trichloroethane MR 4 2012
Carbon tetrachloride MR 4 2012
Trichloroethylene MR 4 2012
1,2-Dichloroethane MR 4 2012
1,1-Dichloroethylene MR 4 2012
p-Dichlorobenzene MR 4 2012
Arsenic MR 4 2005
Benzene MR 4 2012
Xylenes, Total MR 3 2012
o-Dichlorobenzene MR 3 2012
Styrene MR 3 2012
1,2-Dichloropropane MR 3 2012
trans-1,2-Dichloroethylene MR 3 2012
CHLOROBENZENE MR 3 2012
Toluene MR 3 2012
Ethylbenzene MR 3 2012
cis-1,2-Dichloroethylene MR 3 2012
Vinyl chloride MR 3 2012
Selenium MR 3 1991
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.