Tap water in Coffeyville, OK — ZIP 74048
2 public water systems serving about 12,818 people. PFAS "forever chemicals" have been detected here.
F
Failing
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 74048
Coffeyville, City Of
PWSID KS2012513 · serves 8,847 ·
surface water
1 health-based / 1 total violations (5 yrs)
· PFAS up to 3.1 ppt
Nowata Municipal Authority
PWSID OK1021503 · serves 3,971 ·
surface water
12 health-based / 14 total violations (5 yrs)
· PFAS up to 9.4 ppt — above federal limit
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology