Tap water in Shawnee, OK — ZIP 74804
4 public water systems serving about 47,212 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 74804
Shawnee Municipal Authority
PWSID OK1020504 · serves 29,990 ·
surface water
5 health-based / 9 total violations (5 yrs)
· PFAS up to 7.9 ppt
Bryan Co. Rws & Swmd #2
PWSID OK1010604 · serves 6,270 ·
surface water
3 health-based / 9 total violations (5 yrs)
Pottawatomie Co. Rwd #3 (Dale Plant)
PWSID 061020808 · serves 5,780 ·
groundwater
0 health-based / 1 total violations (5 yrs)
· PFAS up to 4.1 ppt — above federal limit
Tri-County Rwd #2
PWSID OK2006362 · serves 5,172 ·
groundwater
1 health-based / 5 total violations (5 yrs)
· PFAS up to 22 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