PlainWater
States05

BENA

PWS ID: 055294202 · CASS LAKE, 05 56633

Population Served
112
Total Violations
39
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
18
School/Daycare
No
MCL Violations
0
Monitoring Violations
33
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule RPT 4 2024
Chlorine MR 4 2024
CYANIDE MR 3 2022
Coliform (TCR) MR 2 2011
Gross Alpha, Excl. Radon and U MR 1 2008
Combined Uranium MR 1 2008
DICHLOROMETHANE MR 1 2014
o-Dichlorobenzene MR 1 2014
Vinyl chloride MR 1 2014
trans-1,2-Dichloroethylene MR 1 2014
1,2-Dichloroethane MR 1 2014
Trichloroethylene MR 1 2014
1,1,1-Trichloroethane MR 1 2014
Carbon tetrachloride MR 1 2014
CHLOROBENZENE MR 1 2014
Benzene MR 1 2014
Toluene MR 1 2014
Ethylbenzene MR 1 2014
Combined Radium (-226 and -228) MR 1 2008
Tetrachloroethylene MR 1 2014
Consumer Confidence Rule Other 1 2006
1,1-Dichloroethylene MR 1 2014
1,1,2-Trichloroethane MR 1 2014
Styrene MR 1 2014
1,2,4-Trichlorobenzene MR 1 2014
Xylenes, Total MR 1 2014
p-Dichlorobenzene MR 1 2014
cis-1,2-Dichloroethylene MR 1 2014
1,2-Dichloropropane MR 1 2014
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.