Key Takeaway
Plant #38 is a active surface mine producing Stone, located in Onalaska, La Crosse County, WI. It has 55 violations on record (6 S&S) and $8K in proposed penalties. Operated by Milestone Materials Division Mathy Construction.
Plant #38
Operator: Milestone Materials Division Mathy Construction
Controller: Mathy Construction Company
Location: Onalaska, La Crosse County, WI
Employees: 6
Recent Violations
View all 55 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 07/24/2025 | 56.14101(a)(3) | Non-S&S | LowNegligence | $151 |
| 07/24/2025 | 56.14100(a) | Non-S&S | LowNegligence | $151 |
| 03/16/2022 | 46.9(c)(5) | S&S | NoNegligence | $133 |
| 06/26/2019 | 56.15014 | Non-S&S | ModNegligence | $121 |
| 06/26/2019 | 56.14207 | Non-S&S | LowNegligence | $121 |
| 11/01/2017 | 56.14100(c) | Non-S&S | ModNegligence | $116 |
| 11/01/2017 | 56.14100(c) | Non-S&S | ModNegligence | $116 |
| 11/01/2017 | 56.20003(b) | S&S | ModNegligence | $135 |
| 11/01/2017 | 56.11002 | Non-S&S | ModNegligence | $116 |
| 07/08/2014 | 56.3200 | S&S | ModNegligence | $2,901 |
| 06/24/2013 | 56.14107(a) | Non-S&S | ModNegligence | $100 |
| 06/24/2013 | 56.14205 | Non-S&S | ModNegligence | $100 |
| 06/24/2013 | 56.12018 | Non-S&S | ModNegligence | $100 |
| 03/07/2012 | 56.12004 | Non-S&S | LowNegligence | $100 |
| 03/07/2012 | 56.11002 | Non-S&S | ModNegligence | $100 |
| 03/07/2012 | 56.14107(a) | Non-S&S | ModNegligence | $100 |
| 05/17/2011 | 56.11002 | S&S | ModNegligence | $176 |
| 05/17/2011 | 56.16005 | Non-S&S | ModNegligence | $100 |
| 05/17/2011 | 56.14107(a) | Non-S&S | ModNegligence | $100 |
| 05/17/2011 | 56.14107(a) | Non-S&S | ModNegligence | $100 |
Accidents & Injuries
View all 9 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 11/18/2025 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 1d lost |
| 09/26/2023 | MACHINERY | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 06/29/2013 | MACHINERY | DYS AWY FRM WRK & RESTRCTD ACT | 31d lost, 42d restricted |
| 08/11/2010 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 09/23/2005 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 02/26/2004 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 1d lost, 10d restricted |
| 12/21/2002 | SLIP OR FALL OF PERSON | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 12/07/2001 | SLIP OR FALL OF PERSON | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 07/11/2000 | SLIP OR FALL OF PERSON | NO DYS AWY FRM WRK,NO RSTR ACT | None |
Inspections
View all 44 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 11/20/2025 | 11/20/2025 | 9.00 | 1 |
| 07/23/2025 | 07/24/2025 | 10.25 | 1 |
| 12/09/2024 | 12/10/2024 | 9.25 | 1 |
| 04/02/2024 | 04/02/2024 | 11.00 | 1 |
| 01/23/2024 | 01/24/2024 | 9.75 | 1 |
| 08/30/2023 | 08/30/2023 | 6.25 | 1 |
| 02/28/2023 | 02/28/2023 | 7.00 | 1 |
| 02/07/2023 | 02/07/2023 | 3.00 | 1 |
| 05/19/2022 | 05/19/2022 | 5.50 | 1 |
| 03/15/2022 | 03/16/2022 | 9.25 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Plant #38 have?
Plant #38 has 55 MSHA violations on record, of which 6 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $8K.
What type of mine is Plant #38?
Plant #38 is a Surface mine producing Stone, located in Onalaska, La Crosse County, WI. It currently has 6 employees.
Has anyone been injured or killed at Plant #38?
According to MSHA records, Plant #38 has 9 reported accident/injury records and 0 fatalities on file.
Who operates Plant #38?
Plant #38 is operated by Milestone Materials Division Mathy Construction and controlled by Mathy Construction Company. MSHA Mine ID: 2100777.