Columbia County, WI
The federal environmental record for Columbia County (population 58,091): 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
14
TRI facilities
16
open tank releases
Drinking water: PFAS testing
Public water systems serving Columbia 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 |
|---|---|---|
| PORTAGE WATERWORKS WI1110039 | PFHxS: 8.1 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
14 facilities in Columbia filed TRI reports for 2024, totalling 224k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| COLUMBIA ENERGY CENTER | PARDEEVILLE | Ammonia, Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 158k lb |
| ENERGIZER MANUFACTURING - PORTAGE PLANT | PORTAGE | Manganese compounds, Zinc compounds | 30k lb |
| UNITED WISCONSIN GRAIN PRODUCERS | FRIESLAND | Formic acid, Acetaldehyde | 19k lb |
| DIDION ETHANOL LLC | CAMBRIA | Acetaldehyde, Formaldehyde | 7k lb |
| ENCAPSYS LLC | PORTAGE | Methanol, Formaldehyde | 4k lb |
| AMERICAN PACKAGING CORP | COLUMBUS | Certain glycol ethers | 2k lb |
| GRANDE CHEESE CO WYOCENA | WYOCENA | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 2k lb |
| FALL RIVER FOUNDRY CO | FALL RIVER | Benzene, Zinc (fume or dust) | 904 lb |
| FXI INC. - PORTAGE | PORTAGE | Toluene diisocyanate (mixed isomers) | 160 lb |
| CARDINAL FG | PORTAGE | Ammonia, Lead | 147 lb |
| EVERBRITE LLC | PARDEEVILLE | Manganese And Manganese Compounds, Copper And Copper Compounds | 121 lb |
| EK MACHINE CO INC | FALL RIVER | Manganese | 10 lb |
| METALCRAFT OF MAYVILLE - FALL RIVER | FALL RIVER | Manganese, Lead | 2 lb |
| HENRY G. MEIGS INC. | PORTAGE | Polycyclic aromatic compounds | 0 lb |
Underground fuel tanks
EPA's UST Finder records 513 tank facilities in Columbia: 153 tanks in service and 1,100 closed. 266 fuel releases are on record, of which 16 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Columbia 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 Columbia, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- BEAVER WRECKING AND SALVAGE WYOCENAWYOCENA