Osage County, OK
The federal environmental record for Osage County (population 46,130): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
2
federal cleanup sites
2
PFAS-detecting water systems
1
TRI facilities
6
open tank releases
Drinking water: PFAS testing
Public water systems serving Osage 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 |
|---|---|---|
| SKIATOOK PWA OK1021313 | PFBA: 7.9 ng/L | detected |
| OSAGE CO RWD #15 OK3005736 | PFBA: 8.3 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
1 facilities in Osage filed TRI reports for 2024, totalling 500k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| NUCERA SOLUTIONS LLC | BARNSDALL | Ethylene, Toluene | 500k lb |
Underground fuel tanks
EPA's UST Finder records 174 tank facilities in Osage: 83 tanks in service and 376 closed. 31 fuel releases are on record, of which 6 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Osage 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 Osage, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- MAGELLAN GAS SPILLBARNSDALL
- PAWHUSKA HS ERPAWHUSKA