Key Takeaway

Plant #42 is a active surface mine producing Stone, located in Plain, Sauk County, WI. It has 33 violations on record (5 S&S) and $4K in proposed penalties. Operated by Milestone Materials Div/Mathy Construction Co.

Plant #42

Active Surface Stone

Operator: Milestone Materials Div/Mathy Construction Co

Controller: Mathy Construction Company

Location: Plain, Sauk County, WI

Employees: 3

33
Violations
5
S&S Violations
2
Accidents
$4K
Penalties

Recent Violations

View all 33 →
Date Section S&S Negligence Penalty
03/12/2025 56.14107(a) Non-S&S ModNegligence $151
04/22/2021 56.11027 Non-S&S LowNegligence $125
06/04/2019 56.14100(c) S&S ModNegligence $121
06/04/2019 47.51 Non-S&S ModNegligence $121
06/05/2018 56.4201(a)(1) Non-S&S ModNegligence $118
04/19/2017 56.12004 Non-S&S ModNegligence $116
11/15/2016 56.3200 S&S ModNegligence $330
11/15/2016 56.14107(a) Non-S&S LowNegligence $116
11/15/2016 56.4201(a)(1) Non-S&S ModNegligence $116
10/22/2014 56.14109(b)(1) Non-S&S LowNegligence $100
10/22/2014 56.4601 Non-S&S ModNegligence $100
11/19/2013 46.6(a) Non-S&S LowNegligence $112
11/19/2013 46.6(a) Non-S&S LowNegligence $100
11/19/2013 46.7(a) Non-S&S LowNegligence $100
11/19/2013 46.3(a) Non-S&S LowNegligence $100
11/19/2013 47.31(a) Non-S&S LowNegligence $100
11/19/2013 56.14107(a) Non-S&S LowNegligence $100
03/06/2013 56.14107(a) Non-S&S LowNegligence $100
03/06/2013 56.14107(a) Non-S&S LowNegligence $100
05/23/2012 56.14107(a) Non-S&S ModNegligence $100

Accidents & Injuries

View all 2 →
Date Classification Injury Days Lost
08/23/2011 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None
12/11/2008 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None

Inspections

View all 36 →
Begin End Hours Inspectors
11/03/2025 11/03/2025 10.50 1
03/12/2025 03/12/2025 10.50 1
10/11/2023 10/11/2023 8.25 1
10/25/2022 10/25/2022 0.75 1
10/24/2022 10/25/2022 19.50 1
10/12/2021 10/14/2021 17.25 1
04/22/2021 04/22/2021 15.25 1
06/17/2020 06/17/2020 4.00 1
05/14/2020 05/14/2020 2.00 1
11/26/2019 11/26/2019 6.25 1

Mine Details

MSHA Mine ID4701724
Mine TypeSurface
StatusActive
CommodityStone
SIC DescriptionCrushed, Broken Limestone NEC
Employees3
Days/Week5.0
Hours/Shift8.0
Coordinates43.2797220, -90.0441670
Nearest TownPlain

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Frequently Asked Questions

How many MSHA violations does Plant #42 have?

Plant #42 has 33 MSHA violations on record, of which 5 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $4K.

What type of mine is Plant #42?

Plant #42 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 #42?

According to MSHA records, Plant #42 has 2 reported accident/injury records and 0 fatalities on file.

Who operates Plant #42?

Plant #42 is operated by Milestone Materials Div/Mathy Construction Co and controlled by Mathy Construction Company. MSHA Mine ID: 4701724.