Key Takeaway
Plant #86 is a active surface mine producing Stone, located in Plain, Sauk County, WI. It has 11 violations on record (0 S&S) and $1K in proposed penalties. Operated by Milestone Materials Div/Mathy Construction Co.
Plant #86
Operator: Milestone Materials Div/Mathy Construction Co
Controller: Mathy Construction Company
Location: Plain, Sauk County, WI
Employees: 3
Recent Violations
View all 11 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 05/25/2021 | 50.30(a) | Non-S&S | HighNegligence | $125 |
| 05/25/2021 | 50.30(a) | Non-S&S | HighNegligence | $125 |
| 05/25/2021 | 50.30(a) | Non-S&S | HighNegligence | $125 |
| 05/25/2021 | 50.30(a) | Non-S&S | HighNegligence | $125 |
| 07/23/2019 | 56.14100(a) | Non-S&S | LowNegligence | $121 |
| 04/28/2015 | 56.15001 | Non-S&S | ModNegligence | $100 |
| 04/05/2012 | 56.14207 | Non-S&S | ModNegligence | $100 |
| 07/28/2010 | 47.54 | Non-S&S | LowNegligence | $100 |
| 07/27/2010 | 56.14112(a)(1) | Non-S&S | HighNegligence | $100 |
| 03/04/2009 | 56.4104(b) | Non-S&S | ModNegligence | $100 |
| 03/04/2009 | 56.20008(a) | Non-S&S | ModNegligence | $100 |
Accidents & Injuries
View all 1 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 08/06/2013 | DISORDERS (PHYSICAL AGENTS) | OCCUPATNAL ILLNESS NOT DEG 1-6 | None |
Inspections
View all 26 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 10/16/2025 | 10/16/2025 | 6.00 | 1 |
| 07/07/2025 | 07/08/2025 | 6.00 | 1 |
| 10/10/2023 | 10/11/2023 | 14.75 | 1 |
| 12/14/2022 | 12/14/2022 | 15.00 | 1 |
| 04/13/2022 | 04/13/2022 | 5.00 | 1 |
| 05/25/2021 | 05/25/2021 | 1.25 | 1 |
| 05/25/2021 | 05/26/2021 | 16.50 | 1 |
| 07/29/2020 | 07/29/2020 | 19.75 | 1 |
| 06/01/2020 | 06/01/2020 | 2.00 | 1 |
| 07/23/2019 | 07/23/2019 | 11.25 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Plant #86 have?
Plant #86 has 11 MSHA violations on record, of which 0 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $1K.
What type of mine is Plant #86?
Plant #86 is a Surface mine producing Stone, located in Plain, Sauk County, WI. It currently has 3 employees.
Has anyone been injured or killed at Plant #86?
According to MSHA records, Plant #86 has 1 reported accident/injury records and 0 fatalities on file.
Who operates Plant #86?
Plant #86 is operated by Milestone Materials Div/Mathy Construction Co and controlled by Mathy Construction Company. MSHA Mine ID: 4703452.