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WOUNDED KNEE DISTRICT SCHOOL

PWS ID: 084690467 · MANDERSON, 08 57756

Population Served
280
Total Violations
153
Health-Based Violations
13
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Federal
Connections
30
School/Daycare
No
MCL Violations
11
Monitoring Violations
136
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 24 2015
Lead and Copper Rule MR 10 2024
Coliform (TCR) MCL 10 2011
Chlorine MR 5 2009
Nitrate MR 4 2010
TTHM MR 4 2025
Total Haloacetic Acids (HAA5) MR 4 2025
1,2,4-Trichlorobenzene MR 2 2008
cis-1,2-Dichloroethylene MR 2 2008
Xylenes, Total MR 2 2008
DICHLOROMETHANE MR 2 2008
o-Dichlorobenzene MR 2 2008
p-Dichlorobenzene MR 2 2008
trans-1,2-Dichloroethylene MR 2 2008
1,1,1-Trichloroethane MR 2 2008
Carbon tetrachloride MR 2 2008
1,1,2-Trichloroethane MR 2 2008
CHLOROBENZENE MR 2 2008
Benzene MR 2 2008
Toluene MR 2 2008
Ethylbenzene MR 2 2008
Revised Total Coliform Rule MON 2 2022
Gross Alpha, Excl. Radon and U MR 2 1982
Surface Water Treatment Rule MR 2 2023
Tetrachloroethylene MR 2 2008
1,2-Dichloroethane MR 2 2008
Consumer Confidence Rule Other 2 2007
Trichloroethylene MR 2 2008
Styrene MR 2 2008
Vinyl chloride MR 2 2008
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.