PlainWater

COFFMAN COVE

PWS ID: AK2120436 · COFFMAN COVE, Alaska 99918

Population Served
199
Total Violations
713
Health-Based Violations
104
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
156
School/Daycare
No
MCL Violations
20
Monitoring Violations
457
Treatment Tech Violations
84

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 70 2024
CARBON, TOTAL TT 64 2022
Coliform (TCR) MR 59 2014
Chlorine MR 37 2024
TTHM MR 27 2020
Surface Water Treatment Rule TT 19 2012
Consumer Confidence Rule Other 14 2024
Total Haloacetic Acids (HAA5) MR 14 2016
Total Haloacetic Acids (HAA5) MCL 11 2025
Arsenic MR 10 2010
TTHM MCL 9 2020
Interim Enhanced Surface Water Treatment Rule MR 9 2024
CARBON, TOTAL MR 8 2022
Xylenes, Total MR 7 2011
1,1,1-Trichloroethane MR 7 2011
CHLOROBENZENE MR 7 2011
Tetrachloroethylene MR 7 2011
Styrene MR 7 2011
trans-1,2-Dichloroethylene MR 7 2011
1,1-Dichloroethylene MR 7 2011
Benzene MR 7 2011
1,2-Dichloroethane MR 7 2011
Nitrate MR 7 2010
cis-1,2-Dichloroethylene MR 7 2011
o-Dichlorobenzene MR 7 2011
p-Dichlorobenzene MR 7 2011
1,2-Dichloropropane MR 7 2011
Trichloroethylene MR 7 2011
Toluene MR 7 2011
Ethylbenzene MR 7 2011
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.