Oklahoma County, OK
The federal environmental record for Oklahoma County (population 808,866): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
6
Superfund NPL sites
22
federal cleanup sites
5
PFAS-detecting water systems
50
TRI facilities
49
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Double Eagle Refinery Co. | Oklahoma City | deleted | 03/31/1989 |
| Eagle Industries | Midwest City | on the NPL | 01/18/2018 |
| Fourth Street Abandoned Refinery | Oklahoma City | deleted | 03/31/1989 |
| Mosley Road Sanitary Landfill | Oklahoma City | deleted | 02/21/1990 |
| Tenth Street Dump/Junkyard | Oklahoma City | deleted | 07/22/1987 |
| Tinker Air Force Base (Soldier Creek/Building 3001) | Oklahoma City | on the NPL | 07/22/1987 |
Drinking water: PFAS testing
Public water systems serving Oklahoma with at least one PFAS detection under UCMR5. The federal limit for PFOA and PFOS is 4 ng/L; EPA proposed in May 2026 to rescind the limits for the other compounds, which are shown for information.
| System | Highest results | Reading |
|---|---|---|
| EDMOND PWA - ARCADIA OK1020723 | PFHxA: 6.8 ng/L PFOS: 6.4 ng/L PFBA: 6 ng/L | above final limit |
| BETHANY OK2005519 | PFHxS: 9 ng/L PFOA: 5.3 ng/L PFOS: 5.2 ng/L | above final limit |
| DEL CITY OK1020805 | PFBA: 7 ng/L PFPeA: 5.9 ng/L PFHxA: 4.3 ng/L | detected |
| OKLAHOMA CITY OK1020902 | PFPeA: 4.7 ng/L | detected |
| TINKER AFB BIO-ENV ENG OK2005508 | PFHxS: 5.2 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
50 facilities in Oklahoma filed TRI reports for 2024, totalling 388k lb released. The 25 largest by volume:
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| US DOD USAF TINKER AFB | TINKER AFB | Chromium compounds (except for chromite ore mined in the Transvaal Region), Nitric acid | 191k lb |
| METAL CONTAINER CORP | OKLAHOMA CITY | Cyclohexane | 117k lb |
| JETTA CORP | EDMOND | Styrene | 21k lb |
| MCCLARIN PLASTICS LLC OKLAHOMA DIV | OKLAHOMA CITY | Styrene | 18k lb |
| W&W-AFCO STEEL LLC | OKLAHOMA CITY | Xylene (mixed isomers), Zinc (fume or dust) | 10k lb |
| BALON CORP | OKLAHOMA CITY | Toluene | 8k lb |
| DCP OPERATING CO LP / KINGFISHER NATURAL GAS PROCESSING PLAN | CASHION | Cyclohexane, n-Hexane | 5k lb |
| BACHMAN SERVICES INC AN INNOSPEC CO | OKLAHOMA CITY | Methanol, Ethylene glycol | 4k lb |
| MILAMAR COATINGS LLC | OKLAHOMA CITY | Xylene (mixed isomers), Zinc compounds | 4k lb |
| PHILLIPS 66 CO OKLAHOMA CITY PRODUCTS TERMINAL | OKLAHOMA CITY | Toluene, n-Hexane | 3k lb |
| UNIVAR USA INC OKLAHOMA CITY | OKLAHOMA CITY | Methanol, Diethanolamine | 2k lb |
| CONE OKC LLC | OKLAHOMA CITY | Methanol, Toluene | 2k lb |
| INTERNATIONAL ENVIRONMENTAL CORP | OKLAHOMA CITY | Diisocyanates | 1k lb |
| H-I-S PAINT MANUFACTURING CO INC | OKLAHOMA CITY | Zinc compounds | 999 lb |
| HUBBELL UTILITY SUPPLY | OKLAHOMA CITY | Styrene, Lead And Lead Compounds | 990 lb |
| ALLIANCE STEEL INC. | OKLAHOMA CITY | Manganese | 409 lb |
| NESTLE PURINA PETCARE CO | OKLAHOMA CITY | Zinc compounds, Manganese compounds | 264 lb |
| CITGO PETROLEUM CORP FORMERLY CATO OIL & GREASE CO | OKLAHOMA CITY | Zinc compounds | 89 lb |
| SMICO MANUFACTURING CO INC. | OKLAHOMA CITY | Nickel, Chromium | 76 lb |
| HERBERT MALARKEY ROOFING CO | OKLAHOMA CITY | Copper compounds, Zinc compounds | 27 lb |
| ACME BRICK CO OKLAHOMA CITY | OKLAHOMA CITY | Lead compounds | 21 lb |
| CENTEK INC | OKLAHOMA CITY | Manganese compounds | 10 lb |
| NORTEK DATA CENTER COOLING | OKLAHOMA CITY | Manganese, Chromium | 7 lb |
| BAKER HUGHES OILFIELD OPERATIONS LLC | OKLAHOMA CITY | Nickel, Chromium | 7 lb |
| PRECISION PARTS & REMANUFACTUR ING CO. | OKLAHOMA CITY | Lead | 4 lb |
Underground fuel tanks
EPA's UST Finder records 2,241 tank facilities in Oklahoma: 1,387 tanks in service and 5,049 closed. 983 fuel releases are on record, of which 49 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Oklahoma as Zone 3, the lowest predicted indoor radon (under 2 pCi/L average). Radon and air quality are covered in depth on lung.com.
The record for one specific address
County figures blur what matters: distance. The Address Environmental Report runs these same federal datasets against one address and reports every site, tank, polluter and water result around it, with distances, in about a minute.
Get the report - $39All federal cleanup sites on file
The wider Superfund enterprise inventory (SEMS) for Oklahoma, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- BACHMAN SERVICES FIREOKLAHOMA CITY
- DEL CITY TAR PITDEL CITY
- DOLLAR 75 DRY CLEANERSTHE VILLAGE
- DOUBLE EAGLE REFINERY CO.OKLAHOMA CITY
- EAGLE INDUSTRIESMIDWEST CITY
- EDMOND COMPRESSOR STATIONEDMOND
- EDMOND DRUMEDMOND
- FOURTH STREET ABANDONED REFINERYOKLAHOMA CITY
- GULFSTREAM AEROSPACE CORPBETHANY
- HENDERSON PLATINGOKLAHOMA CITY
- HENLEY'S SEALANT/ZONOLITE WR GRACEOKLAHOMA CITY
- MIKE MONRONEY AERONAUTICAL CENTEROKLAHOMA CITY
- MOSLEY ROAD SANITARY LANDFILLOKLAHOMA CITY
- OKC RICIN HOMEOKLAHOMA
- OKC SOLVENT PLUMEOKLAHOMA CITY
- ROBBERSON STEEL COMPANYOKLAHOMA CITY
- SE 29TH STREET GROUNDWATEROKLAHOMA CITY
- SUNSHINE CLEANERSOKLAHOMA CITY
- TENTH STREET DUMP/JUNKYARDOKLAHOMA CITY
- TINKER AIR FORCE BASE (SOLDIER CREEK/BUILDING 3001)OKLAHOMA CITY
- US POSTAL SERVICE - PNDCOKLAHOM CITY
- WILL ROGERS WORLD AIRPORTOKLAHOMA CITY