Key Takeaway

Plant #14 is a intermittent surface mine producing SandAndGravel, located in Onalaska, La Crosse County, WI. It has 4 violations on record (1 S&S) and $2K in proposed penalties. Operated by Milestone Materials Division Mathy Construction Co.

Plant #14

Intermittent Surface SandAndGravel

Operator: Milestone Materials Division Mathy Construction Co

Controller: Mathy Construction Company

Location: Onalaska, La Crosse County, WI

Employees: 1

4
Violations
1
S&S Violations
4
Accidents
$2K
Penalties

Recent Violations

View all 4 →
Date Section S&S Negligence Penalty
08/22/2023 56.12020 Non-S&S ModNegligence $143
04/18/2013 56.14211(a) S&S LowNegligence $1,657
04/27/2009 56.12004 Non-S&S ModNegligence $100
05/13/2008 56.14132(a) Non-S&S ModNegligence $100

Accidents & Injuries

View all 4 →
Date Classification Injury Days Lost
06/27/2016 POWERED HAULAGE DYS AWY FRM WRK & RESTRCTD ACT 2d lost, 2d restricted
04/18/2013 POWERED HAULAGE DYS AWY FRM WRK & RESTRCTD ACT 46d lost, 50d restricted
03/21/2012 HANDTOOLS (NONPOWERED) NO DYS AWY FRM WRK,NO RSTR ACT None
11/07/2005 POWERED HAULAGE DAYS AWAY FROM WORK ONLY 112d lost

Inspections

View all 24 →
Begin End Hours Inspectors
07/07/2025 07/08/2025 10.50 1
03/14/2024 03/14/2024 9.75 1
08/21/2023 08/22/2023 17.00 1
07/05/2022 07/05/2022 4.00 1
08/23/2021 08/23/2021 7.25 1
09/08/2020 09/09/2020 25.00 1
05/21/2019 05/21/2019 3.50 1
08/27/2018 08/27/2018 7.75 1
08/15/2017 08/15/2017 9.50 1
08/01/2016 08/01/2016 6.00 1

Mine Details

MSHA Mine ID4703402
Mine TypeSurface
StatusIntermittent
CommoditySandAndGravel
SIC DescriptionConstruction Sand and Gravel
Employees1
Days/Week5.0
Hours/Shift12.0
Coordinates43.8963890, -91.2250000
Nearest TownOnalaska

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Frequently Asked Questions

How many MSHA violations does Plant #14 have?

Plant #14 has 4 MSHA violations on record, of which 1 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $2K.

What type of mine is Plant #14?

Plant #14 is a Surface mine producing SandAndGravel, located in Onalaska, La Crosse County, WI. It currently has 1 employees.

Has anyone been injured or killed at Plant #14?

According to MSHA records, Plant #14 has 4 reported accident/injury records and 0 fatalities on file.

Who operates Plant #14?

Plant #14 is operated by Milestone Materials Division Mathy Construction Co and controlled by Mathy Construction Company. MSHA Mine ID: 4703402.