💧 ZIP Water Report

Tap water in Rock Falls, IL — ZIP 61071

3 public water systems serving about 31,402 people. PFAS "forever chemicals" have been detected here.

C
Fair
PFAS detected: at least one system serving this ZIP reported PFAS in EPA UCMR 5 testing. Levels and the 2024 federal limits are shown per system below.

Water systems serving 61071

Il American-Sterling
PWSID IL1955040 · serves 14,782 · groundwater
0 health-based / 0 total violations (5 yrs)
A
Rock Falls
PWSID IL1950450 · serves 8,620 · groundwater
0 health-based / 5 total violations (5 yrs) · PFAS up to 11 ppt
C
Clark County Cons Pwsd 1
PWSID MO2024138 · serves 8,000 · groundwater
0 health-based / 2 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