Sheridan County, WY
The federal environmental record for Sheridan County (population 32,519): 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
1
TRI facilities
11
open tank releases
Drinking water: PFAS testing
No public water system serving Sheridan 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)
1 facilities in Sheridan filed TRI reports for 2024, totalling 0 lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| L&H INDUSTRIAL INC. | SHERIDAN | Lead | 0 lb |
Underground fuel tanks
EPA's UST Finder records 142 tank facilities in Sheridan: 88 tanks in service and 331 closed. 75 fuel releases are on record, of which 11 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Sheridan 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 Sheridan, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- SHERIDAN CREOSOTESHERIDAN
- SHERIDAN VA MEDICAL CENTERSHERIDAN