Logan County, OK
The federal environmental record for Logan County (population 53,029): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
0
federal cleanup sites
2
PFAS-detecting water systems
3
TRI facilities
3
open tank releases
Drinking water: PFAS testing
Public water systems serving Logan 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 |
|---|---|---|
| LOGAN CO RWD #1 OK2004207 | PFBA: 10.4 ng/L PFPeA: 8 ng/L PFHxA: 6.4 ng/L | above final limit |
| GUTHRIE OK1020903 | PFBA: 8.4 ng/L PFPeA: 4.8 ng/L PFHxA: 4.4 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
3 facilities in Logan filed TRI reports for 2024, totalling 1k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| COASTAL CHEMICAL CO. LLC | CRESCENT | Methanol, Ethylene glycol | 1k lb |
| FORUM ENERGY TECHNOLOGIES | GUTHRIE | Manganese | 21 lb |
| SEWARD ROAD BATCH PLANT | GUTHRIE | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 134 tank facilities in Logan: 85 tanks in service and 281 closed. 38 fuel releases are on record, of which 3 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Logan 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 - $39