💧 ZIP Water Report

Tap water in Shelby, MT — ZIP 59474

1 public water system serving about 3,970 people.

A
Excellent

Water systems serving 59474

Shelby City Of
PWSID MT0000328 · serves 3,970 · groundwater
0 health-based / 1 total violations (5 yrs)
A

Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology