Custer County, OK
The federal environmental record for Custer County (population 28,266): 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
1
PFAS-detecting water systems
6
TRI facilities
7
open tank releases
Drinking water: PFAS testing
Public water systems serving Custer 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 |
|---|---|---|
| CLINTON OK1010828 | PFBA: 7.3 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
6 facilities in Custer filed TRI reports for 2024, totalling 27k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| MIRACLON CORP | WEATHERFORD | Toluene, Methyl isobutyl ketone | 16k lb |
| ENABLE PRODUCTS/CLINTON NATURAL GAS PROCESSING PLANT | CLINTON | n-Hexane, Cyclohexane | 8k lb |
| CHAMPIONX-WEATHERFORD | WEATHERFORD | Methanol | 2k lb |
| MCCLURE NATURAL GAS PROCESSING PLANT | BUTLER | n-Hexane | 1k lb |
| WEATHERFORD #2 BATCH PLANT | WEATHERFORD | - | 0 lb |
| ARAPAHO GAS PROCESSING PLT | BUTLER | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 251 tank facilities in Custer: 124 tanks in service and 639 closed. 52 fuel releases are on record, of which 7 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Custer 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