Sauk County, WI
The federal environmental record for Sauk County (population 65,920): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
1
Superfund NPL sites
5
federal cleanup sites
1
PFAS-detecting water systems
15
TRI facilities
10
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Sauk County Landfill | Excelsior | on the NPL | 10/04/1989 |
Drinking water: PFAS testing
Public water systems serving Sauk 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 |
|---|---|---|
| REEDSBURG WATERWORKS WI1570102 | PFHxS: 4.4 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
15 facilities in Sauk filed TRI reports for 2024, totalling 330k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| GREDE FOUNDRIES | REEDSBURG | Manganese, Copper | 145k lb |
| SENECA FOODS CORP | BARABOO | Certain glycol ethers, n-Butyl alcohol | 97k lb |
| MILWAUKEE VALVE CO LLC | PRAIRIE DU SAC | Copper, Zinc compounds | 56k lb |
| SAPUTO CHEESE USA INC. | REEDSBURG | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 9k lb |
| COATING PLACE INC. SAUK CITY | SAUK CITY | Methanol | 8k lb |
| CUSTOM PULTRUSIONS INC. | BARABOO | Styrene | 7k lb |
| SAPUTO CHEESE USA | REEDSBURG | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 4k lb |
| PLATECO INC | REEDSBURG | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 4k lb |
| FOREMOST FARMS USA | REEDSBURG | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 274 lb |
| TEEL PIPE LLC | BARABOO | Lead And Lead Compounds | 49 lb |
| CARDINAL ROTAR | SPRING GREEN | Nickel, Chromium | 26 lb |
| CARDINAL GLASS | SPRING GREEN | Chromium, Manganese | 7 lb |
| SEATS INC | REEDSBURG | Manganese, Chromium | 7 lb |
| CARDINAL GLASS | SPRING GREEN | Chromium | 5 lb |
| CARDINAL CG | SPRING GREEN | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 514 tank facilities in Sauk: 159 tanks in service and 1,110 closed. 273 fuel releases are on record, of which 10 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Sauk 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 Sauk, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- AL BEHRMAN ELEMENTARY SCHOOLBARABOO
- BADGER ARMY AMMUNITION PLANTNORTH FREEDOM
- BARABOO PCE CONTAMINATIONBARABOO
- EVERMOR PARKNORTH FREEDOM
- SAUK COUNTY LANDFILLEXCELSIOR