UST Check → counties → Michigan → Shiawassee
Underground storage tanks & leak sites in Shiawassee County, MI
Every figure below is from EPA UST Finder — the EPA-compiled national registry of state-reported underground storage tanks — county aggregates as published by EPA.
206registered tank facilities
100open tanks
471closed tanks
141leak incidents on record
61cleanups still open
61 leak cleanups in
Shiawassee County are still open — the state has not closed the case.
An open cleanup near a property you're buying or lending on is a findable, checkable fact: it appears in a
per-address screen with distance and the registry record.
Largest registered facilities
By open-tank count, from the facility-level registry. Every fact is attributed to the EPA record (linked ID); something wrong — use the correction path in the footer and we'll fix or remove it promptly.
| Facility | City | Open / closed tanks | Status | EPA record |
|---|---|---|---|---|
| Hahn Northside Inc | OWOSSO | 6 / 9 | Open UST(s) | MI35267 |
| Ed Standard Service | DURAND | 5 / 6 | Open UST(s) | MI5718 |
| Laingsburg Town Tub | LAINGSBURG | 5 / 5 | Open UST(s) | MI13397 |
| Huffy's | PERRY | 5 / 3 | Open UST(s) | MI17315 |
| Admiral Petroleum II LLC #179 | OWOSSO | 5 / 1 | Open UST(s) | MI12976 |
| M-21 Express Stop | OWOSSO | 5 / 0 | Open UST(s) | MI38688 |
| Westown Shell | OWOSSO | 4 / 8 | Open UST(s) | MI4885 |
| Speedway #8818 | OWOSSO | 4 / 4 | Open UST(s) | MI9439 |
Open leak cleanups — most recently reported
| Site | City | Reported | Substance | EPA record |
|---|---|---|---|---|
| Monroe Point Shell | Durand | 2017-10-03 | Gasoline,Diesel | MIC-0250-17 |
| Corunna Middle School (FAC10000078) | Corunna | 2017-06-29 | Unknown | MIC-0167-17 |
| Former Pacific Pride | Owosso | 2017-01-18 | Diesel | MIC-0104-17 |
| Windmill Point | Bancroft | 2016-09-07 | Diesel | MIC-0133-16 |
| Windmill Point | Bancroft | 2016-09-06 | Gasoline | MIC-0134-16 |
| Windmill Point | Bancroft | 2016-08-29 | Gasoline | MIC-0104-16 |
What this means if you're buying or lending here
- "Closed" ≠ clean. A closed tank was taken out of service per the registry — many were closed without soil testing, especially before the late 1990s.
- The registry is incomplete by design. Tanks removed before 1986 and most residential heating-oil tanks were never registered. A county with 206 registered facilities has an unknown number of unregistered ones.
- Open cleanups are the headline. 61 cases in this county are still open; contamination may still be under investigation or remediation — distance from a specific parcel is what matters, and that's a per-address question.
Screen a specific property
This page covers the county. A purchase or loan decision needs the registry around one address: registered tanks at the parcel, every facility within 500 and 1,500 ft, leak cleanups with status and distance — each line cited to the official record.
Screen an address — $49 How it worksThis is a screen of EPA-registered tank and leak records, not an environmental site assessment. State registries are incomplete by design: tanks removed before 1986 and most residential heating-oil tanks were never registered, so a clean screen cannot prove the absence of a tank. "Closed" means a tank was taken out of service per the registry — it does not certify that no contamination remains.
source: EPA UST Finder EPA data vintage 2024-12-04 computed 2026-06-12