Tap water in Sandwich, IL — ZIP 60548
1 public water system serving about 7,156 people.
A
Excellent
Water systems serving 60548
Sandwich
PWSID IL0374850 · serves 7,156 ·
groundwater
0 health-based / 2 total violations (5 yrs)
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology