CARTER CHOUTEAU CO WATER DIST EPA Drinking Water Compliance Record

TapScore summarizes EPA Safe Drinking Water Information System records for public water system MT0000520. It does not test household tap water or determine whether water is currently safe to drink.

C

Some recent records

TapScore compliance-history grade

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

1 classified as health-based

System details

PWSID
MT0000520
Population served
150
Water source
Surface Water
Owner type
Local Government
State
Montana
EPA region
8
All historical records
115
Not marked resolved
6

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
Surface Water Treatment RuleHealth-based record29
Coliform (TCR)Health-based record7
ArsenicHealth-based record4
1,2,4-TrichlorobenzeneMonitoring/reporting record3
Xylenes, TotalMonitoring/reporting record3
Trichloroethylene (TCE)Monitoring/reporting record3
o-DichlorobenzeneMonitoring/reporting record3
trans-1,2-DichloroethyleneMonitoring/reporting record3
1,1,1-TrichloroethaneMonitoring/reporting record3
Carbon tetrachlorideMonitoring/reporting record3
1,1,2-TrichloroethaneMonitoring/reporting record3
TetrachloroethyleneMonitoring/reporting record3
CHLOROBENZENEMonitoring/reporting record3
EthylbenzeneMonitoring/reporting record3
StyreneMonitoring/reporting record3
Vinyl ChlorideMonitoring/reporting record3
Tetrachloroethylene (PCE)Monitoring/reporting record3
1,1-DichloroethyleneMonitoring/reporting record3
BenzeneMonitoring/reporting record3
TolueneMonitoring/reporting record3

Showing the 20 categories with the most records out of 31 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

2026
2
2025
3
2021
1
2020
21
2019
1
2012
2
2011
22
2009
11
2008
17
2007
22

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: Chouteau