Clarke County, IA
The federal environmental record for Clarke County (population 9,588): 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
2
PFAS-detecting water systems
2
TRI facilities
2
open tank releases
Drinking water: PFAS testing
Public water systems serving Clarke 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 |
|---|---|---|
| OSCEOLA WATER WORKS IA2038038 | PFBA: 9.3 ng/L | detected |
| SIRWA #3 (OSCEOLA) IA2038701 | PFBA: 7.3 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
2 facilities in Clarke filed TRI reports for 2024, totalling 46k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| ALTEC OSCEOLA BODY PLANT | OSCEOLA | Styrene | 46k lb |
| PAUL MUELLER CO | OSCEOLA | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 41 tank facilities in Clarke: 31 tanks in service and 104 closed. 23 fuel releases are on record, of which 2 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Clarke 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