Converse County, WY
The federal environmental record for Converse County (population 13,809): 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
1
PFAS-detecting water systems
6
TRI facilities
10
open tank releases
Drinking water: PFAS testing
Public water systems serving Converse 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 |
|---|---|---|
| DOUGLAS, CITY OF WY5600137 | PFBA: 10.8 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
6 facilities in Converse filed TRI reports for 2024, totalling 1.4M lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| PACIFICORP DAVE JOHNSTON PLANT | GLENROCK | Barium And Barium Compounds, Manganese And Manganese Compounds | 1.3M lb |
| BUCKING HORSE PLANT | DOUGLAS | n-Hexane, Toluene | 18k lb |
| SAGE CREEK GAS PLANT | GLENROCK | Benzene, Toluene | 9k lb |
| STEAMBOAT PROCESSING FACILITY | DOUGLAS | n-Hexane, Cyclohexane | 8k lb |
| DOUGLAS GAS PLANT | DOUGLAS | n-Hexane, Benzene | 5k lb |
| PECAN PIPELINE (WYOMING) JEWELL GAS PLANT | DOUGLAS | Benzene, Toluene | 2k lb |
Underground fuel tanks
EPA's UST Finder records 101 tank facilities in Converse: 34 tanks in service and 226 closed. 30 fuel releases are on record, of which 10 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Converse as Zone 1, the highest predicted indoor radon levels (over 4 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 Converse, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- DOUGLAS PRISONER OF WAR CAMPDOUGLAS
- GLENROCK/COLE CREEK (TRONOX)GLENROCK