Shiawassee County, MI
The federal environmental record for Shiawassee County (population 68,025): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
2
federal cleanup sites
0
PFAS-detecting water systems
6
TRI facilities
61
open tank releases
Drinking water: PFAS testing
No public water system serving Shiawassee reported a PFAS detection in the UCMR5 national testing round. Systems serving under 3,300 people were only sampled in part, so absence from this table is not proof of absence in the water.
Facilities reporting toxic releases (2024)
6 facilities in Shiawassee filed TRI reports for 2024, totalling 5k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| GENERAL SHALE BRICK INC. - PLANT 66 | CORUNNA | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Hydrogen fluoride | 3k lb |
| PYRAMID PEAK COATINGS LLC | OWOSSO | Xylene (mixed isomers) | 2k lb |
| TOLEDO COMMUTATOR CO | OWOSSO | Copper | 250 lb |
| CIE NEWCOR MTG | CORUNNA | Nickel | 166 lb |
| THE ANDERSONS INC. - LAINGSBURG | LAINGSBURG | - | 0 lb |
| CARGILL FEED & NUTRITION OWOSSO | OWOSSO | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 206 tank facilities in Shiawassee: 100 tanks in service and 471 closed. 141 fuel releases are on record, of which 61 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Shiawassee 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 Shiawassee, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- DURAND HCLDURAND
- LAINGSBURG MIDDLE SCHOOL ACID SPILLLAINGSBURG