Tap water in Norwalk, OH — ZIP 43420
3 public water systems serving about 29,954 people. PFAS "forever chemicals" have been detected here.
B
Good
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 43420
Fremont City
PWSID OH7200311 · serves 18,319 ·
surface water
0 health-based / 2 total violations (5 yrs)
Northern Ohio Rural Water - Nw District
PWSID OH2201803 · serves 6,409 ·
surface water
0 health-based / 0 total violations (5 yrs)
Northern Ohio Rural Water-South District
PWSID OH3946712 · serves 5,226 ·
surface water
0 health-based / 1 total violations (5 yrs)
· PFAS up to 15.6 ppt
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology