Tap water in Crown Point, IN — ZIP 46307
5 public water systems serving about 278,137 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 46307
Indiana American Water - Northwest
PWSID IN5245015 · serves 210,510 ·
surface water
0 health-based / 0 total violations (5 yrs)
Crown Point Water Works
PWSID IN5245008 · serves 30,000 ·
surface water
0 health-based / 3 total violations (5 yrs)
St. John Municipal Water Utility
PWSID IN5245043 · serves 25,700 ·
groundwater
0 health-based / 0 total violations (5 yrs)
Cuii - Twin Lakes
PWSID IN5245046 · serves 8,000 ·
groundwater
0 health-based / 4 total violations (5 yrs)
Corinth Pwd
PWSID IL1995120 · serves 3,927 ·
surface water
0 health-based / 4 total violations (5 yrs)
· PFAS up to 5.6 ppt
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology