TapScore USA

WESTBY TOWN OF EPA Drinking Water Compliance Record

TapScore summarizes EPA Safe Drinking Water Information System records for public water system MT0000355. It does not test household tap water or determine whether water is currently safe to drink.

B

Few non-health records

TapScore compliance-history grade

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

System details

PWSID
MT0000355
Population served
172
Water source
Surface Water
Owner type
Local Government
State
Montana
EPA region
8
All historical records
168
Not marked resolved
0

How to read this grade

Grade B means “Few non-health 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
ArsenicHealth-based record16
Coliform (TCR)Monitoring/reporting record3
Di(2-ethylhexyl) phthalateMonitoring/reporting record3
PicloramMonitoring/reporting record3
HexachlorocyclopentadieneMonitoring/reporting record3
Aldicarb sulfoneMonitoring/reporting record3
HeptachlorMonitoring/reporting record3
2,4-DMonitoring/reporting record3
2,4,5-TPMonitoring/reporting record3
HEXACHLOROBENZENEMonitoring/reporting record3
Benzo(a)pyreneMonitoring/reporting record3
PentachlorophenolMonitoring/reporting record3
ChlordaneMonitoring/reporting record3
Di(2-ethylhexyl) adipateMonitoring/reporting record3
CarbofuranMonitoring/reporting record3
AtrazineMonitoring/reporting record3
EndrinMonitoring/reporting record3
BHC-GAMMAMonitoring/reporting record3
MethoxychlorMonitoring/reporting record3
DalaponMonitoring/reporting record3

Showing the 20 categories with the most records out of 68 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

2021
2
2019
1
2018
1
2015
1
2014
5
2013
2
2012
3
2011
4
2010
59
2008
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

WESTBY

ZIP codes served

59275

County: Sheridan