Mitchell County, IA
The federal environmental record for Mitchell County (population 10,518): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
0
federal cleanup sites
1
PFAS-detecting water systems
4
TRI facilities
1
open tank releases
Drinking water: PFAS testing
Public water systems serving Mitchell 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 |
|---|---|---|
| OSAGE MUNICIPAL WATER SUPPLY IA6663001 | PFHxS: 4.3 ng/L PFOS: 4.2 ng/L | above final limit |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
4 facilities in Mitchell filed TRI reports for 2024, totalling 43k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| VALENT BIOSCIENCES LLC | OSAGE | Ammonia, Methanol | 26k lb |
| ABSOLUTE ENERGY LLC | SAINT ANSGAR | Acetaldehyde, n-Hexane | 16k lb |
| WOLD RIM & WHEEL | SAINT ANSGAR | - | 0 lb |
| A TO Z DRYING INC | OSAGE | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 56 tank facilities in Mitchell: 19 tanks in service and 136 closed. 17 fuel releases are on record, of which 1 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Mitchell as Zone 1, the highest predicted indoor radon levels (over 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