Seminole County, OK
The federal environmental record for Seminole County (population 23,565): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
3
federal cleanup sites
1
PFAS-detecting water systems
3
TRI facilities
3
open tank releases
Drinking water: PFAS testing
Public water systems serving Seminole 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 |
|---|---|---|
| WEWOKA PUBLIC WORKS AUTHORITY OK1020510 | PFBA: 6.9 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
3 facilities in Seminole filed TRI reports for 2024, totalling 95k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| LATHAM POOL PRODUCTS INC - SEMINOLE | SEMINOLE | Styrene, Methyl methacrylate | 95k lb |
| COMMERCIAL BRICK CORP | WEWOKA | Manganese And Manganese Compounds, Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 88 lb |
| SEMINOLE BATCH PLANT | SEMINOLE | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 166 tank facilities in Seminole: 88 tanks in service and 363 closed. 48 fuel releases are on record, of which 3 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Seminole 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 Seminole, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- BILL WEEMS OIL, INC.SEMINOLE
- CARTER OIL COMPANY GASOLINE PLANTCROMWELL
- CROMWELL OIL REFINERY-SEMINOLE COUNTYCROMWELL