Key Takeaway

Unit No 1 is a intermittent surface mine producing Stone, located in Waunakee, Dane County, WI. It has 58 violations on record (12 S&S) and $9K in proposed penalties. Operated by Yahara Materials Inc.

Unit No 1

Intermittent Surface Stone

Operator: Yahara Materials Inc

Controller: Larry Burcalow

Location: Waunakee, Dane County, WI

Employees: 2

58
Violations
12
S&S Violations
0
Accidents
$9K
Penalties

Recent Violations

View all 58 →
Date Section S&S Negligence Penalty
06/09/2025 56.12008 Non-S&S ModNegligence $151
06/09/2025 56.14130(c)(1) Non-S&S ModNegligence $151
06/09/2025 56.14107(a) Non-S&S ModNegligence $151
10/11/2023 56.14207 Non-S&S ModNegligence $143
10/11/2023 56.3131 S&S ModNegligence $346
09/14/2023 56.12004 Non-S&S ModNegligence $143
09/14/2023 56.15005 S&S ModNegligence $905
05/17/2022 56.4201(a)(2) Non-S&S ModNegligence $133
05/17/2022 56.4101 Non-S&S ModNegligence $133
05/17/2022 47.44(b) Non-S&S ModNegligence $133
05/14/2020 56.11002 Non-S&S ModNegligence $123
11/15/2018 56.12004 Non-S&S HighNegligence $118
02/28/2018 56.14107(a) Non-S&S ModNegligence $118
02/28/2018 56.14107(a) Non-S&S ModNegligence $118
05/02/2017 56.11001 S&S HighNegligence $280
05/02/2017 56.11012 Non-S&S ModNegligence $116
10/29/2013 56.9300(a) S&S ModNegligence $243
03/19/2013 56.14107(a) Non-S&S ModNegligence $100
06/06/2012 56.12004 Non-S&S ModNegligence $100
12/01/2010 56.9301 S&S HighNegligence $2,000

Inspections

View all 39 →
Begin End Hours Inspectors
06/25/2025 06/25/2025 4.25 1
06/09/2025 06/10/2025 11.25 1
10/11/2023 10/11/2023 5.75 1
09/14/2023 09/15/2023 14.75 1
06/27/2023 06/27/2023 3.00 1
05/17/2022 05/17/2022 14.50 1
11/18/2020 11/18/2020 16.50 1
05/14/2020 05/14/2020 11.25 1
11/15/2018 11/29/2018 5.75 1
02/28/2018 03/01/2018 12.25 1

Mine Details

MSHA Mine ID4702843
Mine TypeSurface
StatusIntermittent
CommodityStone
SIC DescriptionCrushed, Broken Limestone NEC
Employees2
Days/Week5.0
Hours/Shift9.0
Coordinates43.1919370, -89.4556750
Nearest TownWaunakee

Frequently Asked Questions

How many MSHA violations does Unit No 1 have?

Unit No 1 has 58 MSHA violations on record, of which 12 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $9K.

What type of mine is Unit No 1?

Unit No 1 is a Surface mine producing Stone, located in Waunakee, Dane County, WI. It currently has 2 employees.

Has anyone been injured or killed at Unit No 1?

According to MSHA records, Unit No 1 has 0 reported accident/injury records and 0 fatalities on file.

Who operates Unit No 1?

Unit No 1 is operated by Yahara Materials Inc and controlled by Larry Burcalow. MSHA Mine ID: 4702843.