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
Operator: Yahara Materials Inc
Controller: Larry Burcalow
Location: Waunakee, Dane County, WI
Employees: 2
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
Related Mines
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.