Campbell County, WY
The federal environmental record for Campbell County (population 47,498): 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
0
PFAS-detecting water systems
8
TRI facilities
12
open tank releases
Drinking water: PFAS testing
No public water system serving Campbell reported a PFAS detection in the UCMR5 national testing round. Systems serving under 3,300 people were only sampled in part, so absence from this table is not proof of absence in the water.
Facilities reporting toxic releases (2024)
8 facilities in Campbell filed TRI reports for 2024, totalling 3.9M lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| BLACK HILLS CORP - NEIL SIMPSON COMPLEX | GILLETTE | Barium And Barium Compounds, Manganese | 1.7M lb |
| BASIN ELECTRIC DRY FORK STATION | GILLETTE | Barium And Barium Compounds, Ammonia | 1.3M lb |
| PACIFICORP WYODAK PLANT | GILLETTE | Barium And Barium Compounds, Manganese And Manganese Compounds | 796k lb |
| WESTERN GAS RESOURCES HILIGHT GAS PLANT | GILLETTE | Methanol, n-Hexane | 30k lb |
| 50 BUTTES | GILLETTE | n-Hexane, Cyclohexane | 5k lb |
| NELSON BROTHERS MINING SERVICES LLC | GILLETTE | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Ammonia | 70 lb |
| BUCKSKIN MINING CO GILLETTE WY | GILLETTE | Lead, Mercury | 6 lb |
| JOY GLOBAL GILLETTE WY | GILLETTE | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 180 tank facilities in Campbell: 103 tanks in service and 436 closed. 74 fuel releases are on record, of which 12 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Campbell 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 Campbell, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- HIGHWAY 450 OIL SPILLGILLETTE
- HOE CREEK UNDERGROUND COAL GASIFICATION PROJECTGILLETTE