Platte County, WY

The federal environmental record for Platte County (population 8,546): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.

Superfund NPL sites

federal cleanup sites

PFAS-detecting water systems

TRI facilities

open tank releases

Drinking water: PFAS testing

No public water system serving Platte 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)

2 facilities in Platte filed TRI reports for 2024, totalling 1.9M lb released.

Facility	City	Top chemicals	Total released
BASIN ELECTRIC LARAMIE RIVER STATION	WHEATLAND	Barium And Barium Compounds, Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	1.9M lb
US ARMY CAMP GUERNSEY TRAINING AREAS	GUERNSEY	Copper, Lead	22k lb

Underground fuel tanks

EPA's UST Finder records 157 tank facilities in Platte: 50 tanks in service and 313 closed. 24 fuel releases are on record, of which 3 remain open. Open releases are cleanups that have not reached "no further action".

Radon

EPA maps Platte as Zone 2, moderate predicted indoor radon (2 to 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 - $39

All federal cleanup sites on file

The wider Superfund enterprise inventory (SEMS) for Platte, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.

GUERNSEY CAMP SITE AND MANEUVER AREAGUERNSEY
HARTVILLE (TRONOX)HARTVILLE
WARREN F.E. AFB ATLAS "E" MISSILE SITE # 5CHUGWATER