Data / Mines / Michigan / Portable Finlay
Portable Finlay, Oakland County, Michigan: 1 MSHA citation
Updated November 6, 2026. Source: US Department of Labor, Mine Safety and Health Administration (MSHA), Open Government Data Sets.
Portable Finlay is an intermittent construction sand and gravel surface mine in Oakland County, Michigan, operated by Tri-City Aggregates Inc with 15 employees on MSHA's record (mine ID 2003053). Since January 1, 2022 MSHA inspectors issued 1 citation and orders there with $133 in proposed penalties, and 0 accident reports were filed there, with no injury or illness cases.
The request: Watch Portable Finlay (MSHA mine ID 2003053) in Oakland County, Michigan: each new citation and each accident report. $10 of work on sign-up, no card.
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- MSHA mine ID
- 2003053
- Status
- Intermittent since April 7, 1998
- Main commodity
- Construction sand and gravel
- Mine type
- Surface
- County
- Oakland County, Michigan
- Nearest town
- Holly
- Operator
- Tri-City Aggregates Inc
- Parent company
- Genoak Materials Inc
- Employees
- 15
- MSHA field office
- Lansing MI Field Office
- Citations and orders since January 1, 2022
- 1
- Significant and substantial
- 0 (0.0%)
- Closure orders
- 0
- High negligence or reckless
- 0
- Proposed penalties
- $133
- Amount paid so far
- $133
- Inspections
- 7
- Inspector hours on site
- 50
- Citations per inspection
- 0.14 (all mines 2.30)
- Accident reports
- 0
- Injury and illness cases
- 0
- Fatalities
- 0
- Latest MSHA record
- October 6, 2026
Citations and injury cases by year
Calendar years since 2022; 2026 runs to the date of the MSHA files.
| Year | Citations and orders | Significant and substantial | Proposed penalties | Injury and illness cases |
|---|---|---|---|---|
| 2022 | 1 | 0 | $133 | 0 |
Standards cited most at Portable Finlay
Sections of Title 30 of the Code of Federal Regulations named on the citations, with the part each belongs to.
| Standard | What the part covers | Citations |
|---|---|---|
| 30 CFR 56.14107 | Surface metal and nonmetal mines | 1 |
Other open mines in Oakland County, Michigan
| Mine | Operator | County | Main commodity | Employees | Citations since 2022 |
|---|---|---|---|---|---|
| Highland Plant | American Aggregates Of Michigan Inc | Oakland County, MI | Construction sand and gravel | 16 | 18 |
| Koenig Materials, LLC | Koenig Materials, LLC | Oakland County, MI | Construction sand and gravel | 7 | 17 |
| South Flint Gravel Inc | South Flint Gravel Inc | Oakland County, MI | Construction sand and gravel | 5 | 15 |
| I-75 Aggregates | I-75 Aggregates | Oakland County, MI | Construction sand and gravel | 10 | 11 |
| Holly Sand and Gravel | Burroughs Materials Corp | Oakland County, MI | Construction sand and gravel | 21 | 8 |
| A a Grange Hall Rd Plant | American Aggregates Of Michigan Inc | Oakland County, MI | Construction sand and gravel | 1 | 8 |
| Ray Road Plant | American Aggregates Of Michigan Inc | Oakland County, MI | Construction sand and gravel | 13 | 7 |
| United Dredging Y105 | United Dredging | Oakland County, MI | Construction sand and gravel | 2 | 4 |
| Portable McCloskey | Tri-City Aggregates Inc | Oakland County, MI | Construction sand and gravel | 12 | 0 |
| Groveland Sand & Gravel | Burroughs Materials Corp | Oakland County, MI | Construction sand and gravel | 0 | 0 |
US government work, public domain. Counts come from the MSHA files published on November 6, 2026. An open mine is one MSHA lists as Active, Intermittent, New Mine, Temporarily Idled or NonProducing; 13,673 were open that day. Citations, penalties, inspections and accident reports run from January 1, 2022. A citation is an inspector's allegation and an operator can contest it; the penalty is the amount MSHA first proposed, before any contest or settlement. An operator is the legal entity MSHA assesses, and a parent company is its controller. Mines run by sole proprietors or by individuals are counted in every total and are not named. This page uses MSHA data and is not endorsed or certified by MSHA. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.