Benton County, MN

The federal environmental record for Benton County (population 41,600): 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

Public water systems serving Benton 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

Sauk Rapids

MN1050004

PFHxS: 34.2 ng/L

PFBA: 14.6 ng/L

PFOS: 12 ng/L

above final limit

On a system with detections? Testing and treatment options

Facilities reporting toxic releases (2024)

3 facilities in Benton filed TRI reports for 2024, totalling 9k lb released.

Facility	City	Top chemicals	Total released
CENTRAL MARBLE PRODUCTS INC	RICE	Styrene	9k lb
VIRNIG MANUFACTURING INC.	RICE	Manganese, Chromium	235 lb
PILGRIM'S SAUK RAPIDS FEEDMILL	SAUK RAPIDS	-	0 lb

Underground fuel tanks

EPA's UST Finder records 112 tank facilities in Benton: 108 tanks in service and 266 closed. 90 fuel releases are on record, of which 4 remain open. Open releases are cleanups that have not reached "no further action".

Radon

EPA maps Benton 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 Benton, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.

AERIAL ARTSFOLEY