PlainWater
States08

FORT THOMPSON WATER SYSTEM

PWS ID: 084690440 · FORT THOMPSON, 08 57339

Population Served
1,357
Total Violations
224
Health-Based Violations
39
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Native American
Connections
302
School/Daycare
No
MCL Violations
37
Monitoring Violations
180
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 31 2012
TTHM MCL 30 2012
TTHM MR 16 2024
Total Haloacetic Acids (HAA5) MR 16 2024
Fluoride MR 6 2022
Total Haloacetic Acids (HAA5) MCL 5 2004
Lead and Copper Rule MR 4 2003
Barium MR 3 2005
Cadmium MR 3 2005
Chromium MR 3 2005
Selenium MR 3 2005
CYANIDE MR 3 2005
Nitrate MR 3 1994
Mercury MR 3 2005
Arsenic MR 3 2005
1,2,4-Trichlorobenzene MR 2 2010
cis-1,2-Dichloroethylene MR 2 2010
DICHLOROMETHANE MR 2 2010
p-Dichlorobenzene MR 2 2010
Vinyl chloride MR 2 2010
1,1-Dichloroethylene MR 2 2010
trans-1,2-Dichloroethylene MR 2 2010
1,1,1-Trichloroethane MR 2 2010
1,2-Dichloropropane MR 2 2010
Trichloroethylene MR 2 2010
Tetrachloroethylene MR 2 2010
CHLOROBENZENE MR 2 2010
Toluene MR 2 2010
Styrene MR 2 2010
Chlorine MR 2 2012
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.