Key Takeaway
Plant #50 is a intermittent surface mine producing SandAndGravel, located in Onalaska, La Crosse County, WI. It has 0 violations on record (0 S&S) and $0 in proposed penalties. Operated by Milestone Materials Division Mathy Construction.
Plant #50
Operator: Milestone Materials Division Mathy Construction
Controller: Mathy Construction Company
Location: Onalaska, La Crosse County, WI
Employees: 3
Inspections
View all 35 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 10/06/2025 | 10/06/2025 | 4.25 | 1 |
| 09/17/2025 | 09/17/2025 | 10.50 | 1 |
| 05/21/2025 | 05/21/2025 | 6.50 | 1 |
| 02/13/2024 | 02/13/2024 | 1.25 | 1 |
| 08/23/2023 | 08/23/2023 | 8.75 | 1 |
| 08/14/2023 | 08/14/2023 | 3.50 | 1 |
| 09/07/2022 | 09/07/2022 | 12.50 | 1 |
| 06/14/2021 | 06/15/2021 | 8.50 | 1 |
| 07/16/2020 | 07/16/2020 | 5.25 | 1 |
| 09/18/2019 | 09/18/2019 | 1.00 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Plant #50 have?
Plant #50 has 0 MSHA violations on record, of which 0 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $0.
What type of mine is Plant #50?
Plant #50 is a Surface mine producing SandAndGravel, located in Onalaska, La Crosse County, WI. It currently has 3 employees.
Has anyone been injured or killed at Plant #50?
According to MSHA records, Plant #50 has 0 reported accident/injury records and 0 fatalities on file.
Who operates Plant #50?
Plant #50 is operated by Milestone Materials Division Mathy Construction and controlled by Mathy Construction Company. MSHA Mine ID: 4703042.