CheckPFAS

PFAS in Oklahoma Water

Based on EPA UCMR 5 testing of 101 public water systems in Oklahoma.

101
Systems Tested
101
With PFAS Detected
13
Above EPA Limits
13%
Exceed MCL

Most Commonly Detected PFAS in Oklahoma

Systems with detections · EPA UCMR 5 (2023–2025)

lithium 63 systems
PFBA 45 systems
PFPeA 22 systems
PFHxA 16 systems
PFHxS 15 systems
PFBS 14 systems

Check your Oklahoma ZIP code

Get specific results for your neighborhood's water utility.

Water Systems in Oklahoma (101)

Click any row to see ZIP-level details
Water System PWSID PFAS Detected Above MCL Risk
BROKEN ARROW MUNICIPAL AUTHORITY
Surface Water
OK1021508 6 2
High Risk
WAGONER CO. RWD #5
Surface Water
OK1021528 6 2
High Risk
WAGONER CO. RWD #4
Surface Water
OK1021529 5 2
High Risk
BETHANY
GU
OK2005519 5 2
High Risk
TRI-COUNTY RWD #2
Groundwater
OK2006362 3 2
High Risk
EDMOND PWA - ARCADIA
Groundwater
OK1020723 7 1
High Risk
STILLWATER WATER PLANT
Surface Water
OK1021220 6 1
High Risk
LOGAN CO RWD #1
Groundwater
OK2004207 6 1
High Risk
PONCA CITY MUN WATER
Surface Water
OK1021202 5 1
High Risk
KAY CO RWD #5 (DALE WATER CORP)
Groundwater
OK3003603 5 1
High Risk
NOWATA MUNICIPAL AUTHORITY
Surface Water
OK1021503 4 1
High Risk
OKLA ORDNANCE WORKS AUTHORITY
Surface Water
OK1021602 1 1
High Risk
MAYES CO RWD # 2
Surface Water
OK3004608 1 1
High Risk
DUNCAN PUBLIC UTILITIES AUTHORITY
Surface Water
OK1010809 5 0
Moderate
SOUTHERN OKLA WATER CORP
Groundwater
OK1010830 5 0
Moderate
GUTHRIE
Surface Water
OK1020903 5 0
Moderate
DEL CITY
Groundwater
OK1020805 4 0
Low Level
COWETA
Surface Water
OK1021509 4 0
Low Level
PIEDMONT MUNICPAL AUTHORITY
Groundwater
OK2000909 4 0
Low Level
TUTTLE
Groundwater
OK2002608 4 0
Low Level