TapScore USA

HINSDALE WATER DEPARTMENT EPA Drinking Water Compliance Record

TapScore summarizes EPA Safe Drinking Water Information System records for public water system MT0000250. It does not test household tap water or determine whether water is currently safe to drink.

C

Some recent records

TapScore compliance-history grade

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

1 classified as health-based

System details

PWSID
MT0000250
Population served
250
Water source
Ground Water
Owner type
Local Government
State
Montana
EPA region
8
All historical records
35
Not marked resolved
3

How to read this grade

Grade C means “Some recent 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
Coliform (TCR)Health-based record7
Consumer Confidence RuleMonitoring/reporting record7
Revised Total Coliform RuleHealth-based record6
Total ColiformMonitoring/reporting record3
AntimonyMonitoring/reporting record3
Lead and Copper RuleMonitoring/reporting record2
ArsenicMonitoring/reporting record1
NitrateMonitoring/reporting record1
Beryllium, TotalMonitoring/reporting record1
Thallium, TotalMonitoring/reporting record1
Total Trihalomethanes (TTHMs)Monitoring/reporting record1
Haloacetic Acids (HAA5)Monitoring/reporting record1

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
4
2021
1
2019
1
2018
1
2017
2
2016
2
2015
4
2014
2
2012
1
2011
1

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

HINSDALE

ZIP codes served

59241

County: Valley