💧 ZIP Water Report

Tap water in Watertown, SD — ZIP 57242

1 public water system serving about 4,280 people.

A
Excellent

Water systems serving 57242

Sioux Rural Water System
PWSID SD4600866 · serves 4,280 · groundwater
0 health-based / 3 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