PlainWater

ST LABRE INDIAN SCHOOL

PWS ID: MT0000018 · ASHLAND, Montana 59003

Population Served
650
Total Violations
1,488
Health-Based Violations
201
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
98
County
Rosebud
School/Daycare
Yes
MCL Violations
149
Monitoring Violations
1,243
Treatment Tech Violations
52

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 142 2025
Groundwater Rule TT 52 2019
Consumer Confidence Rule Other 43 2023
Total Haloacetic Acids (HAA5) MR 26 2025
TTHM MR 26 2025
Di(2-ethylhexyl) phthalate MR 24 2020
Di(2-ethylhexyl) adipate MR 23 2020
Benzo(a)pyrene MR 23 2020
Simazine MR 23 2020
OXAMYL MR 23 2020
Dinoseb MR 23 2020
Dalapon MR 23 2020
Heptachlor epoxide MR 23 2020
Heptachlor MR 23 2020
Toxaphene MR 23 2020
BHC-GAMMA MR 23 2020
cis-1,2-Dichloroethylene MR 23 2020
Vinyl chloride MR 23 2020
1,1-Dichloroethylene MR 23 2020
1,1,1-Trichloroethane MR 23 2020
Carbon tetrachloride MR 23 2020
1,1,2-Trichloroethane MR 23 2020
Tetrachloroethylene MR 23 2020
Toluene MR 23 2020
Endrin MR 23 2020
Methoxychlor MR 23 2020
Atrazine MR 23 2020
LASSO MR 23 2020
2,4-D MR 23 2020
Chlordane MR 23 2020
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.