TapScore USA

LIBBY CITY OF EPA Drinking Water Compliance Record

TapScore summarizes EPA Safe Drinking Water Information System records for public water system MT0000274. It does not test household tap water or determine whether water is currently safe to drink.

D

Several health-based records

TapScore compliance-history grade

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

4 classified as health-based

System details

PWSID
MT0000274
Population served
4,892
Water source
Surface Water
Owner type
Local Government
State
Montana
EPA region
8
All historical records
97
Not marked resolved
0

How to read this grade

Grade D means “Several 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
CARBON, TOTALMonitoring/reporting record12
Surface Water Treatment RuleHealth-based record10
Interim Enhanced Surface Water Treatment RuleHealth-based record8
Coliform (TCR)Monitoring/reporting record4
ArsenicMonitoring/reporting record3
Consumer Confidence RuleMonitoring/reporting record3
Lead and Copper RuleMonitoring/reporting record2
Xylenes, TotalMonitoring/reporting record2
Trichloroethylene (TCE)Monitoring/reporting record2
o-DichlorobenzeneMonitoring/reporting record2
Vinyl chlorideMonitoring/reporting record2
1,1-DichloroethyleneMonitoring/reporting record2
1,2-DichloroethaneMonitoring/reporting record2
1,1,1-TrichloroethaneMonitoring/reporting record2
Carbon tetrachlorideMonitoring/reporting record2
1,2-DichloropropaneMonitoring/reporting record2
CHLOROBENZENEMonitoring/reporting record2
1,2,4-TrichlorobenzeneMonitoring/reporting record2
Vinyl ChlorideMonitoring/reporting record2
trans-1,2-DichloroethyleneMonitoring/reporting record2

Showing the 20 categories with the most records out of 41 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
2022
2
2021
1
2020
21
2019
1
2015
3
2014
2
2013
7
2012
3
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

LIBBY

ZIP codes served

59923

County: Lincoln