Key Takeaway
Plant #79 is a intermittent surface mine producing SandAndGravel, located in Sparta, Monroe County, WI. It has 7 violations on record (0 S&S) and $737 in proposed penalties. Operated by Milestone Materials Division of Mathy Construction.
Plant #79
Operator: Milestone Materials Division of Mathy Construction
Controller: Mathy Construction Company
Location: Sparta, Monroe County, WI
Employees: 1
Recent Violations
View all 7 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 07/10/2019 | 56.4104(b) | Non-S&S | ModNegligence | $121 |
| 08/30/2017 | 56.12028 | Non-S&S | ModNegligence | $116 |
| 05/07/2015 | 56.14130(c) | Non-S&S | ModNegligence | $100 |
| 05/07/2015 | 56.12004 | Non-S&S | LowNegligence | $100 |
| 08/22/2014 | 56.14107(a) | Non-S&S | LowNegligence | $100 |
| 11/05/2013 | 56.14107(a) | Non-S&S | LowNegligence | $100 |
| 07/11/2011 | 56.14101(a)(2) | Non-S&S | LowNegligence | $100 |
Accidents & Injuries
View all 1 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 08/31/2023 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
Inspections
View all 25 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 10/06/2025 | 10/06/2025 | 5.75 | 1 |
| 05/22/2025 | 05/22/2025 | 11.00 | 1 |
| 10/16/2023 | 10/17/2023 | 13.00 | 1 |
| 10/11/2022 | 10/12/2022 | 26.50 | 1 |
| 06/29/2022 | 06/29/2022 | 7.00 | 1 |
| 04/04/2022 | 04/04/2022 | 5.75 | 1 |
| 09/29/2021 | 09/29/2021 | 12.00 | 1 |
| 09/28/2021 | 09/28/2021 | 1.00 | 1 |
| 11/17/2020 | 11/17/2020 | 4.75 | 1 |
| 06/03/2020 | 06/03/2020 | 2.00 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Plant #79 have?
Plant #79 has 7 MSHA violations on record, of which 0 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $737.
What type of mine is Plant #79?
Plant #79 is a Surface mine producing SandAndGravel, located in Sparta, Monroe County, WI. It currently has 1 employees.
Has anyone been injured or killed at Plant #79?
According to MSHA records, Plant #79 has 1 reported accident/injury records and 0 fatalities on file.
Who operates Plant #79?
Plant #79 is operated by Milestone Materials Division of Mathy Construction and controlled by Mathy Construction Company. MSHA Mine ID: 4703610.