💧 ZIP Water Report

Tap water in Seneca, SD — ZIP 57473

2 public water systems serving about 20,775 people.

A
Excellent

Water systems serving 57473

Web Water Development Association
PWSID SD4601089 · serves 20,750 · surface water
0 health-based / 0 total violations (5 yrs)
A
Seneca
PWSID SD4600292 · serves 25 · surface water
0 health-based / 0 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