Trempealeau County, WI

The federal environmental record for Trempealeau County (population 30,899): 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 Trempealeau 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)

6 facilities in Trempealeau filed TRI reports for 2024, totalling 49k lb released.

Facility	City	Top chemicals	Total released
ASSOCIATED MILK PRODUCERS INC.	BLAIR	Nitrate compounds (water dissociable; reportable only when in aqueous solution), Nitric acid	46k lb
PILGRIM'S ARCADIA PROCESSING PLANT	ARCADIA	Peracetic acid	4k lb
NELSON GLOBAL INC-ARCADIA	ARCADIA	Manganese And Manganese Compounds, Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)	16 lb
GLOBAL FINISHING SOLUTIONS INC.	OSSEO	Manganese, Chromium	11 lb
GEA FARM TECHNOLOGIES INC.	GALESVILLE	Nickel, Chromium	10 lb
PILGRIM'S ARCADIA FEEDMILL	ARCADIA	-	0 lb

Underground fuel tanks

EPA's UST Finder records 317 tank facilities in Trempealeau: 102 tanks in service and 608 closed. 100 fuel releases are on record, of which 4 remain open. Open releases are cleanups that have not reached "no further action".

Radon

EPA maps Trempealeau 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