Isabella County, MI
The federal environmental record for Isabella County (population 64,118): 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
3
TRI facilities
116
open tank releases
Drinking water: PFAS testing
Public water systems serving Isabella 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 |
|---|---|---|
| UNION TOWNSHIP MI0006725 | PFBS: 4.8 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
3 facilities in Isabella filed TRI reports for 2024, totalling 2k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| THE DELFIELD CO | MOUNT PLEASANT | Chromium, Nickel | 991 lb |
| MORBARK LLC | WINN | Nickel And Nickel Compounds, Manganese compounds | 440 lb |
| ELECTROLUX PROFESSIONAL GROUP - WEIDMAN | WEIDMAN | Nickel, Chromium | 249 lb |
Underground fuel tanks
EPA's UST Finder records 330 tank facilities in Isabella: 173 tanks in service and 783 closed. 216 fuel releases are on record, of which 116 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Isabella as Zone 3, the lowest predicted indoor radon (under 2 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 Isabella, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- AMERICAN CLEANERS SITEMOUNT PLEASANT