TapScore USA

HARLEM CITY OF EPA Drinking Water Compliance Record

TapScore summarizes EPA Safe Drinking Water Information System records for public water system MT0000239. 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

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

21 classified as health-based

System details

PWSID
MT0000239
Population served
820
Water source
Surface Water
Owner type
Local Government
State
Montana
EPA region
8
All historical records
179
Not marked resolved
45

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 record59
Haloacetic Acids (HAA5)Health-based record21
CARBON, TOTALMonitoring/reporting record13
Consumer Confidence RuleMonitoring/reporting record11
Revised Total Coliform RuleHealth-based record8
Lead and Copper RuleMonitoring/reporting record4
ArsenicMonitoring/reporting record3
Vinyl ChlorideMonitoring/reporting record2
Tetrachloroethylene (PCE)Monitoring/reporting record2
1,1-DichloroethyleneMonitoring/reporting record2
trans-1,2-DichloroethyleneMonitoring/reporting record2
1,2-DichloroethaneMonitoring/reporting record2
1,2-DichloropropaneMonitoring/reporting record2
1,1,2-TrichloroethaneMonitoring/reporting record2
TetrachloroethyleneMonitoring/reporting record2
BenzeneMonitoring/reporting record2
TolueneMonitoring/reporting record2
EthylbenzeneMonitoring/reporting record2
StyreneMonitoring/reporting record2
Long Term 2 Enhanced Surface Water Treatment RuleHealth-based record2

Showing the 20 categories with the most records out of 44 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
7
2024
9
2023
4
2022
6
2021
26
2020
24
2019
6
2018
4
2017
13
2016
6

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

HARLEM

ZIP codes served

59526

County: Blaine