Lincoln County, WI
The federal environmental record for Lincoln County (population 28,405): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
1
federal cleanup sites
1
PFAS-detecting water systems
4
TRI facilities
3
open tank releases
Drinking water: PFAS testing
Public water systems serving Lincoln 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 |
|---|---|---|
| TOMAHAWK WATERWORKS WI7350127 | PFOA: 21 ng/L PFPeA: 7.9 ng/L PFBA: 7.8 ng/L | above final limit |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
4 facilities in Lincoln filed TRI reports for 2024, totalling 620k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| PACKAGING CORP OF AMERI CA | TOMAHAWK | Methanol, Manganese compounds | 580k lb |
| LOUISIANA-PACIFIC CORP TOMAHAWK WI | TOMAHAWK | Formaldehyde, Methanol | 35k lb |
| NORTHERN WIRE LLC | MERRILL | Zinc compounds | 4k lb |
| SAMUEL SON & CO (USA) INC. | TOMAHAWK | Chromium, Nickel | 252 lb |
Underground fuel tanks
EPA's UST Finder records 322 tank facilities in Lincoln: 106 tanks in service and 616 closed. 135 fuel releases are on record, of which 3 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Lincoln 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 - $39All federal cleanup sites on file
The wider Superfund enterprise inventory (SEMS) for Lincoln, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- LINCOLN WOOD PRODUCTS INCMERRILL