Drinking water / OK
PFAS in Oklahoma drinking water
166 Oklahoma public water systems tested under UCMR5. 68 detected at least one PFAS compound; 98 detected none at the reporting thresholds. Values are the highest single result per compound, in ng/L (parts per trillion). The federal limit for PFOA and PFOS is 4 ng/L.
| Water system | Serves | Highest results (ng/L) | Reading |
|---|---|---|---|
| BETHANY OK2005519 | Oklahoma | PFHxS 9PFOA 5.3 *PFOS 5.2 *PFBS 3.3 | above final limit |
| BROKEN ARROW MUNICIPAL AUTHORITY OK1021508 | Tulsa | PFOS 51.3 *PFHxS 15.2PFHxA 6.9PFPeA 6.5 | above final limit |
| EDMOND PWA - ARCADIA OK1020723 | Oklahoma | PFHxA 6.8PFOS 6.4 *PFBA 6PFBS 4.7 | above final limit |
| KAY CO RWD #5 (DALE WATER CORP) OK3003603 | Kay | PFOS 23 *PFHxS 10PFBA 6PFBS 4.2 | above final limit |
| LOGAN CO RWD #1 OK2004207 | Logan | PFBA 10.4PFPeA 8PFHxA 6.4PFBS 5.9 | above final limit |
| MAYES CO RWD # 2 OK3004608 | Mayes | PFOS 17.7 * | above final limit |
| NOWATA MUNICIPAL AUTHORITY OK1021503 | Nowata | PFOS 9.4 *PFHxS 4.8PFHxA 4.4PFPeA 4.1 | above final limit |
| OKLA ORDNANCE WORKS AUTHORITY OK1021602 | Mayes | PFOS 5.7 * | above final limit |
| PONCA CITY MUN WATER OK1021202 | Kay | PFOS 8.1 *PFHxS 6.7PFBS 5.39Cl-PF3ONS 3.4 | above final limit |
| STILLWATER WATER PLANT OK1021220 | Payne | PFOS 8.6 *PFHxS 6.4PFHxA 4.9PFPeA 4.4 | above final limit |
| TRI-COUNTY RWD #2 OK2006362 | Pottawatomie | PFHxS 22PFOS 6 * | above final limit |
| WAGONER CO. RWD #4 OK1021529 | Wagoner | PFOS 29.5 *PFHxS 12.3PFPeA 6.4PFHxA 6.2 | above final limit |
| WAGONER CO. RWD #5 OK1021528 | Wagoner | PFOS 34 *PFHxS 15PFHxA 8.3PFBA 7.9 | above final limit |
| ADAMSON RWD #8 OK3006112 | Pittsburg | PFBA 5 | detected |
| ALTUS OK1011501 | Jackson | PFBA 5.5PFHxS 3.3 | detected |
| ALTUS AFB OK3003303 | Jackson | PFBA 5.9 | detected |
| BARTLESVILLE OK1021401 | Washington | PFPeA 7.3PFBA 5.6 | detected |
| BRYAN CO. RW&SD #5 OK3000704 | Bryan | PFPeA 5 | detected |
| CHECOTAH PWA OK1020515 | McIntosh | PFBA 5.9 | detected |
| CHEROKEE CO. RWD #11 OK1221637 | Cherokee | PFHxA 5.5PFPeA 5.2PFBS 4.1 | detected |
| CLINTON OK1010828 | Custer | PFBA 7.3 | detected |
| CONSOLIDATED RWD #3 CREEK CO OK3001916 | Creek | PFBA 6.6 | detected |
| COWETA OK1021509 | Wagoner | PFBA 6.9PFHxS 5.5PFHxA 4.2PFPeA 3.3 | detected |
| CREEK CO RWD # 1 OK1020419 | Creek | PFBA 5.5 | detected |
| DEL CITY OK1020805 | Oklahoma | PFBA 7PFPeA 5.9PFHxA 4.3 | detected |
| DELAWARE CO RWD # 7 OK3002138 | Delaware | PFBA 6.7PFPeA 3.2 | detected |
| DEWEY PUBLIC WORKS AUTHORITY OK3007402 | Washington | PFBA 11 | detected |
| DUNCAN PUBLIC UTILITIES AUTHORITY OK1010809 | Stephens | PFBA 7.5PFPeA 3.8PFHpA 3.4PFHxA 3.3 | detected |
| EUFAULA PWA OK1020514 | McIntosh | PFBA 8.5 | detected |
| FREDERICK OK1011401 | Tillman | PFBA 12.5PFHxS 3 | detected |
| GARVIN CO RWD #4 OK3002503 | Garvin | PFBA 7.2 | detected |
| GUTHRIE OK1020903 | Logan | PFBA 8.4PFPeA 4.8PFHxA 4.4PFBS 3.8 | detected |
| HEAVENER UTILITY AUTH - PSG OK1020101 | Le Flore | PFBA 8.8 | detected |
| HENRYETTA OK1020709 | Okmulgee | PFPeA 5.8 | detected |
| HOBART OK1011502 | Kiowa | PFBA 6.3 | detected |
| HOLDENVILLE OK1020803 | Hughes | PFBA 6 | detected |
| JEFFERSON CO CONS RWD #1 OK3003401 | Jefferson | PFBA 11.1 | detected |
| LEFLORE CO. RWD #2 OK3004007 | Le Flore | PFBA 5.3 | detected |
| LONGTOWN RW&SD #1 (PITTSBURG CO.) OK1020623 | Pittsburg | PFBA 6.6 | detected |
| MANNFORD OK1020909 | Creek | PFBA 7.6 | detected |
| MAYES CO RWD #4 OK3004617 | Mayes | PFBA 17 | detected |
| MCINTOSH CO. RWD #8 (TEXANNA) OK1020529 | McIntosh | PFBA 6.4PFPeA 3.3 | detected |
| NEWCASTLE OK2004704 | McClain | PFBA 5.2 | detected |
| NOBLE OK2001411 | Cleveland | PFHxS 7.1 | detected |
| NORMAN OK1020801 | Cleveland | PFBA 7.5PFBS 3 | detected |
| OKFUSKEE CO. RWD #3 OK3005401 | Okfuskee | PFBA 5.5 | detected |
| OKLAHOMA CITY OK1020902 | Oklahoma | PFPeA 4.7 | detected |
| OKMULGEE CO. RWD #6 (HECTORVILLE) OK3005611 | Okmulgee | PFBA 6.9 | detected |
| OSAGE CO RWD #15 OK3005736 | Osage | PFBA 8.3 | detected |
| OSU WATER PLANT OK1020910 | Payne | PFBA 7.9 | detected |
| PAULS VALLEY OK1010808 | Garvin | PFBA 6.5 | detected |
| PERRY WATER & LIGHT DEPT OK1021206 | Noble | PFBA 8.6 | detected |
| PIEDMONT MUNICPAL AUTHORITY OK2000909 | Canadian | PFBA 5.9PFPeA 3.6PFHxA 3.3 | detected |
| PITTSBURG CO. RWD #11 (KIOWA) OK3006105 | Pittsburg | PFBA 6.4 | detected |
| PITTSBURG CO. RWD #16 OK3006106 | Pittsburg | PFBA 6 | detected |
| PORUM PWA OK1020302 | Muskogee | PFBA 6 | detected |
| RAMONA PUBLIC WORKS AUTHORITY OK3007408 | Washington | PFBA 5.4 | detected |
| ROGERS CO RWD # 4 OK1021506 | Rogers | PFBA 5.6 | detected |
| ROGERS CO RWD # 8 OK3006606 | Rogers | PFBA 14 | detected |
| SHAWNEE MUNICIPAL AUTHORITY OK1020504 | Pottawatomie | PFBA 7.9PFPeA 3.2 | detected |
| SKIATOOK PWA OK1021313 | Osage | PFBA 7.9 | detected |
| SOUTHERN OKLA WATER CORP OK1010830 | Carter | 6:2 FTS 11.2PFBA 6.4PFPeA 5.2PFHxA 3.4 | detected |
| TAHLEQUAH PWA OK1021701 | Cherokee | PFBS 5.7PFPeA 4.4PFHxA 4.2 | detected |
| TECUMSEH UTILITY AUTHORITY OK1020506 | Pottawatomie | PFBA 8.4 | detected |
| TINKER AFB BIO-ENV ENG OK2005508 | Oklahoma | PFHxS 5.2 | detected |
| TUTTLE OK2002608 | Grady | PFBS 3.9PFPeA 3.2PFHxA 3 | detected |
| WATER DISTRIBUTORS, INC. OK3004009 | Le Flore | PFBA 5.9 | detected |
| WEWOKA PUBLIC WORKS AUTHORITY OK1020510 | Seminole | PFBA 6.9 | detected |
* exceeds the final federal MCL for that compound. Detections of compounds whose limits EPA proposed to rescind in May 2026 are shown for information.
Systems with no PFAS detected
98 tested systems reported no PFAS above the laboratory reporting limits. Each has its own page with its sampling detail.
- ADA
- ALFALFA CO RWS & SWMD #1 NORTH
- ALVA
- ANADARKO PUBLIC WORKS AUTHORITY
- ARDMORE
- BIXBY PUBLIC WORKS AUTHORITY
- BLACKWELL MUNICIPAL AUTHORITY
- BRISTOW MUNICIPAL AUTHORITY
- BROKEN BOW PWA
- BRYAN CO. RWS & SWMD #2
- CADDO CO RWD #3
- CAMARGO RWD #2
- CHICKASHA MUNICIPAL AUTHORITY
- CHOCTAW
- CLAREMORE
- COLLINSVILLE
- CRAIG CO RWD #2
- CREEK CO RWD # 2
- CUSHING
- DEER CREEK RURAL WATER CORP
- DURANT UTILITIES AUTHORITY
- EL RENO
- ELK CITY
- ENID
- FALLS CREEK BAPTIST CONFERENCE CENTER
- FORT GIBSON
- FORT SILL HQUSAFACFS
- GLENPOOL WATER
- GRADY CO RWD #6
- GROVE MUNICIPAL SERVICES AUTH.
- GUYMON
- HALLETT PUBLIC WORKS AUTHORITY
- HARRAH
- HUGO MUNICIPAL AUTHORITY
- HYDRO PWA
- IDABEL PWA
- JENKS PWA
- KETCHUM PWA
- KINGFISHER
- KONAWA SCHOOL
- LAWTON
- LEFLORE CO. RWD #14
- LONE GROVE
- MADILL
- MARLOW PWA
- MARSHALL COUNTY WATER CORP
- MAYES CO RWD # 5
- MAYES CO RWD # 6
- MCALESTER PWA
- MCCURTAIN CO. RWD #1
- MCCURTAIN CO. RWD #7
- MCCURTAIN CO. RWD #8 (MT. FORK WATER)
- MCCURTAIN CO. RWD #9
- MIAMI
- MIDWEST CITY
- MOORE
- MURRAY CO RWD # 1
- MUSKOGEE
- MUSKOGEE CO. RWD #1 (OKTAHA)
- MUSKOGEE CO. RWD #5
- MUSTANG
- NICHOLS HILLS
- OKLA CHRISTIAN UNIVERSITY
- OKLAHOMA UNIVERSITY
- OKMULGEE
- OTTAWA CO RWD # 4
- OWASSO
- PAWHUSKA
- PONTOTOC CO RWD # 7
- PONTOTOC CO RWD # 8
- POTEAU PWA
- PRYOR
- PURCELL
- PUSHMATAHA CO. RWD #3
- RANDLETT PWA
- ROGERS CO RWD # 3 COT STA
- ROGERS CO RWD # 3 LAKE PLANT
- ROGERS CO RWD # 5
- SALLISAW
- SAND SPRINGS
- SAPULPA
- SAPULPA RURAL WATER COMPANY
- SAYRE
- SEMINOLE
- SEQUOYAH CO. WATER ASSOCIATION
- SPENCER
- STEPHENS CO RWD #5
- SULPHUR
- TULSA
- VINITA UTILITIES AUTHORITY
- WAGONER
- WAGONER CO. RWD #7 (NEW)
- WAGONER CO. RWD #9
- WASHINGTON CO RWD #3 (NEW,#1)
- WATONGA
- WEATHERFORD
- WOODWARD
- YUKON
A detection at the system level does not tell you what reaches one specific tap: levels vary by entry point, treatment train and plumbing. A certified lab test of your own tap settles it. Testing and treatment options