Key Takeaway
Portable Unit #2 is a intermittent surface mine producing SandAndGravel, located in Stoughton, Dane County, WI. It has 55 violations on record (10 S&S) and $6K in proposed penalties. Operated by Rosenbaum Crushing & Excavating.
Portable Unit #2
Operator: Rosenbaum Crushing & Excavating
Controller: Mark S Rosenbaum
Location: Stoughton, Dane County, WI
Employees: 6
Recent Violations
View all 55 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 06/24/2025 | 56.14130(c)(3) | Non-S&S | HighNegligence | $151 |
| 06/24/2025 | 56.14103(b) | Non-S&S | HighNegligence | $151 |
| 06/24/2025 | 56.14115(b) | Non-S&S | ModNegligence | $151 |
| 06/24/2025 | 47.41(a)(1) | Non-S&S | HighNegligence | $151 |
| 08/07/2024 | 56.12032 | Non-S&S | ModNegligence | $147 |
| 08/07/2024 | 56.14100(c) | S&S | ModNegligence | $147 |
| 08/07/2024 | 56.4200(a)(1) | Non-S&S | ModNegligence | $147 |
| 10/18/2022 | 56.12005 | Non-S&S | ModNegligence | $133 |
| 10/18/2022 | 56.12032 | Non-S&S | ModNegligence | $133 |
| 10/18/2022 | 56.12028 | Non-S&S | LowNegligence | $133 |
| 10/18/2022 | 56.11027 | Non-S&S | ModNegligence | $133 |
| 10/18/2022 | 56.12004 | Non-S&S | ModNegligence | $133 |
| 04/26/2022 | 56.12018 | Non-S&S | ModNegligence | $133 |
| 04/26/2022 | 56.11003 | Non-S&S | LowNegligence | $133 |
| 04/26/2022 | 56.12034 | Non-S&S | ModNegligence | $133 |
| 07/08/2020 | 56.14130(g) | S&S | LowNegligence | $144 |
| 05/03/2017 | 56.1000 | S&S | ModNegligence | $116 |
| 11/04/2015 | 56.4102 | Non-S&S | HighNegligence | $100 |
| 11/04/2015 | 56.14207 | Non-S&S | ModNegligence | $100 |
| 11/04/2015 | 56.4201(a)(2) | Non-S&S | HighNegligence | $100 |
Inspections
View all 33 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 06/30/2025 | 06/30/2025 | 6.25 | 1 |
| 06/18/2025 | 06/25/2025 | 19.25 | 1 |
| 08/07/2024 | 08/07/2024 | 11.75 | 1 |
| 10/18/2022 | 10/19/2022 | 15.00 | 1 |
| 04/26/2022 | 04/26/2022 | 17.00 | 1 |
| 12/01/2020 | 12/01/2020 | 11.50 | 1 |
| 07/08/2020 | 07/08/2020 | 14.00 | 1 |
| 04/14/2020 | 04/14/2020 | 15.00 | 1 |
| 05/01/2019 | 05/02/2019 | 11.25 | 1 |
| 05/08/2018 | 05/09/2018 | 32.25 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Portable Unit #2 have?
Portable Unit #2 has 55 MSHA violations on record, of which 10 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $6K.
What type of mine is Portable Unit #2?
Portable Unit #2 is a Surface mine producing SandAndGravel, located in Stoughton, Dane County, WI. It currently has 6 employees.
Has anyone been injured or killed at Portable Unit #2?
According to MSHA records, Portable Unit #2 has 0 reported accident/injury records and 0 fatalities on file.
Who operates Portable Unit #2?
Portable Unit #2 is operated by Rosenbaum Crushing & Excavating and controlled by Mark S Rosenbaum. MSHA Mine ID: 4702854.