Key Takeaway

Plant #12 is a intermittent surface mine producing Stone, located in Plain, Sauk County, WI. It has 31 violations on record (6 S&S) and $3K in proposed penalties. Operated by Milestone Materials Div/Mathy Construction Co.

Plant #12

Intermittent Surface Stone

Operator: Milestone Materials Div/Mathy Construction Co

Controller: Mathy Construction Company

Location: Plain, Sauk County, WI

Employees: 3

31
Violations
6
S&S Violations
5
Accidents
$3K
Penalties

Recent Violations

View all 31 →
Date Section S&S Negligence Penalty
07/13/2021 56.12032 Non-S&S LowNegligence $125
11/06/2019 56.14100(c) Non-S&S ModNegligence $121
04/10/2019 56.11001 S&S ModNegligence $121
04/10/2019 56.12013(b) Non-S&S LowNegligence $121
04/11/2018 56.20011 Non-S&S ModNegligence $118
04/11/2018 56.12028 Non-S&S ModNegligence $118
04/11/2018 56.14100(c) Non-S&S ModNegligence $118
11/09/2016 56.14100(c) Non-S&S LowNegligence $116
11/09/2016 56.9300(a) Non-S&S LowNegligence $116
05/06/2014 56.12018 Non-S&S ModNegligence $100
05/06/2014 56.14132(a) Non-S&S ModNegligence $100
10/23/2012 56.11001 S&S ModNegligence $100
10/23/2012 56.4101 Non-S&S LowNegligence $100
10/23/2012 56.11008 S&S LowNegligence $100
10/23/2012 56.12004 Non-S&S ModNegligence $100
03/14/2012 46.8(a)(2) Non-S&S HighNegligence $112
03/13/2012 56.14112(b) Non-S&S ModNegligence $100
03/13/2012 56.4501 Non-S&S ModNegligence $100
03/13/2012 56.3200 S&S ModNegligence $263
10/06/2009 56.14112(a)(1) S&S ModNegligence $117

Accidents & Injuries

View all 5 →
Date Classification Injury Days Lost
08/04/2022 OTHER DYS AWY FRM WRK & RESTRCTD ACT 1d lost, 5d restricted
03/19/2020 SLIP OR FALL OF PERSON DAYS AWAY FROM WORK ONLY 1d lost
11/09/2012 HANDTOOLS (NONPOWERED) DAYS AWAY FROM WORK ONLY 35d lost
05/04/2011 STEPPING OR KNEELING ON OBJECT DAYS RESTRICTED ACTIVITY ONLY 10d restricted
05/03/2007 OTHER ALL OTHER CASES (INCL 1ST AID) None

Inspections

View all 31 →
Begin End Hours Inspectors
09/22/2025 09/23/2025 12.50 1
02/05/2025 02/05/2025 3.00 1
04/23/2024 04/24/2024 11.75 1
07/19/2023 07/19/2023 5.50 1
08/02/2022 08/02/2022 4.25 1
07/13/2021 07/13/2021 14.50 1
11/20/2020 11/20/2020 5.25 1
05/21/2020 05/21/2020 2.00 1
11/06/2019 11/06/2019 16.25 1
04/16/2019 04/16/2019 0.75 1

Mine Details

MSHA Mine ID4702904
Mine TypeSurface
StatusIntermittent
CommodityStone
SIC DescriptionCrushed, Broken Limestone NEC
Employees3
Days/Week5.0
Hours/Shift9.0
Coordinates43.2797220, -90.0441670
Nearest TownPlain

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Frequently Asked Questions

How many MSHA violations does Plant #12 have?

Plant #12 has 31 MSHA violations on record, of which 6 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $3K.

What type of mine is Plant #12?

Plant #12 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 #12?

According to MSHA records, Plant #12 has 5 reported accident/injury records and 0 fatalities on file.

Who operates Plant #12?

Plant #12 is operated by Milestone Materials Div/Mathy Construction Co and controlled by Mathy Construction Company. MSHA Mine ID: 4702904.