ST LABRE INDIAN SCHOOL EPA Drinking Water Compliance Record

TapScore summarizes EPA Safe Drinking Water Information System records for public water system MT0000018. It does not test household tap water or determine whether water is currently safe to drink.

F

Frequent health-based records

TapScore compliance-history grade

18 EPA violation records from July 1, 2021 through June 30, 2026

11 classified as health-based

System details

PWSID
MT0000018
Population served
650
Water source
Ground Water
Owner type
Private
State
Montana
EPA region
8
All historical records
204
Not marked resolved
1

How to read this grade

Grade F means “Frequent health-based records” under TapScore's published method. It is a comparison of recent EPA compliance records, not an EPA grade, laboratory result, health recommendation, or guarantee of present water quality.

EPA contaminant categories in violation records

EPA categoryClassificationRecords
Total Trihalomethanes (TTHMs)Health-based record32
Groundwater RuleHealth-based record19
Consumer Confidence RuleMonitoring/reporting record13
Haloacetic Acids (HAA5)Monitoring/reporting record7
Lead and Copper RuleMonitoring/reporting record7
Radium-226Monitoring/reporting record4
Gross AlphaMonitoring/reporting record4
AntimonyMonitoring/reporting record4
Coliform (TCR)Health-based record3
BariumMonitoring/reporting record3
FluorideMonitoring/reporting record3
Di(2-ethylhexyl) adipateMonitoring/reporting record2
Benzo(a)pyreneMonitoring/reporting record2
SimazineMonitoring/reporting record2
DinosebMonitoring/reporting record2
OXAMYLMonitoring/reporting record2
DalaponMonitoring/reporting record2
Heptachlor epoxideMonitoring/reporting record2
HeptachlorMonitoring/reporting record2
ToxapheneMonitoring/reporting record2

Showing the 20 categories with the most records out of 70 categories in this system's history.

These are compliance records associated with an EPA contaminant code, not current tap-water test results or proof that a substance is presently detected.

Violation history by year

2025
1
2024
4
2023
8
2022
2
2021
5
2020
1
2019
63
2018
8
2017
10
2016
7

Historical counts may include resolved records. For current notices and local sampling results, check the utility's latest Consumer Confidence Report and your state drinking-water agency.

Reported service area

Cities served

ZIP codes served

County: Rosebud