💧 ZIP Water Report

Tap water in Rock Rapids, IA — ZIP 51242

1 public water system serving about 1,530 people.

A
Excellent

Water systems serving 51242

Lyon-Sioux Rws-Big Sioux
PWSID IA6000755 · serves 1,530 · groundwater
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