Sheboygan County, WI
The federal environmental record for Sheboygan County (population 117,752): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
2
Superfund NPL sites
5
federal cleanup sites
1
PFAS-detecting water systems
26
TRI facilities
11
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Kohler Co. Landfill | Kohler | on the NPL | 09/21/1984 |
| Sheboygan Harbor & River | Sheboygan | on the NPL | 06/10/1986 |
Drinking water: PFAS testing
Public water systems serving Sheboygan 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 |
|---|---|---|
| SHEBOYGAN TN WATERWORKS WI4600403 | PFHxS: 12 ng/L PFPeA: 4.4 ng/L PFBS: 4.2 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
26 facilities in Sheboygan filed TRI reports for 2024, totalling 711k lb released. The 25 largest by volume:
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| KOHLER CO | KOHLER | Zinc compounds, Antimony compounds | 310k lb |
| BEMIS MANUFACTURING CO PLANT B | SHEBOYGAN FALLS | Ammonia, Certain glycol ethers | 87k lb |
| CURT G JOA INC | SHEBOYGAN FALLS | Manganese, Chromium | 84k lb |
| EDGEWATER GENERATING STATION | SHEBOYGAN | Ammonia, Hydrogen fluoride | 70k lb |
| ALDRICH CHEMICAL CO LLC | SHEBOYGAN FALLS | Chloroform, Methyl tert-butyl ether | 47k lb |
| HEXION INC-SHEBOYGAN SITE | SHEBOYGAN | Methanol, Formaldehyde | 31k lb |
| PLASTICS ENGINEERING CO | SHEBOYGAN | Phenol, Styrene | 22k lb |
| NEMAK USA INC-GATEWAY | SHEBOYGAN | Aluminum (fume or dust), Chlorine | 16k lb |
| SACO AEI | SHEBOYGAN | Methanol, Antimony And Antimony Compounds | 16k lb |
| MILLENNIUM TECHNOLOGIES LLC | PLYMOUTH | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Nickel And Nickel Compounds | 12k lb |
| SARTORI CO | PLYMOUTH | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Nitric acid | 5k lb |
| ACTUS NUTRITION-ADELL | ADELL | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Nitric acid | 3k lb |
| SHEBOYGAN PAINT CO | SHEBOYGAN | Zinc compounds, Xylene (mixed isomers) | 2k lb |
| ROCKLINE INDUSTRIES | SHEBOYGAN | Certain glycol ethers | 1k lb |
| NEMAK USA INC-TAYLOR | SHEBOYGAN | Copper, Manganese | 1k lb |
| DIAMOND VOGEL INC. | SHEBOYGAN FALLS | Toluene, Xylene (mixed isomers) | 1k lb |
| REHLKO-MOSEL | SHEBOYGAN | Ethylene glycol, Lead | 390 lb |
| VOLLRATH CO LLC | SHEBOYGAN | Nickel, Chromium | 181 lb |
| WATRY INDUSTRIES | SHEBOYGAN | Copper, Lead | 156 lb |
| WILLMAN INDUSTRIES INC | CEDAR GROVE | Lead | 32 lb |
| HTT INC | SHEBOYGAN | Copper, Nickel | 21 lb |
| AMERICAN ORTHODONTICS CORP | SHEBOYGAN | Chromium compounds (except for chromite ore mined in the Transvaal Region), Nickel And Nickel Compounds | 11 lb |
| GARDNER DENVER THOMAS | SHEBOYGAN | Copper, Lead | 8 lb |
| AMERICAN EXCELSIOR CO | SHEBOYGAN | - | 0 lb |
| HTT INC | SHEBOYGAN FALLS | Copper, Nickel | 0 lb |
Underground fuel tanks
EPA's UST Finder records 734 tank facilities in Sheboygan: 273 tanks in service and 1,609 closed. 473 fuel releases are on record, of which 11 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Sheboygan 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 Sheboygan, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- KOHLER COMPANYKOHLER
- R-WAY FURNITURE SITESHEBOYGAN
- ROCHESTER PARK SITESHEBOYGAN FALLS
- SHEBOYGAN HARBOR & RIVERSHEBOYGAN
- WPSC CAMP MARINA MGPSHEBOYGAN