Key Takeaway
Plant 4 is a intermittent surface mine producing Nonmetal, located in Blackfoot, Bonneville County, ID. It has 35 violations on record (9 S&S) and $5K in proposed penalties. Operated by Mickelsen Construction, Inc..
Plant 4
Operator: Mickelsen Construction, Inc.
Controller: Delwyn L Mickelsen
Location: Blackfoot, Bonneville County, ID
Employees: 2
Recent Violations
View all 35 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 07/24/2025 | 56.12016 | S&S | ModNegligence | $366 |
| 07/24/2025 | 56.14107(a) | Non-S&S | ModNegligence | $151 |
| 09/11/2024 | 50.30(a) | Non-S&S | HighNegligence | $147 |
| 09/10/2024 | 56.12032 | Non-S&S | ModNegligence | $147 |
| 09/10/2024 | 56.12004 | Non-S&S | ModNegligence | $147 |
| 08/23/2023 | 56.11005 | S&S | ModNegligence | $167 |
| 08/23/2023 | 56.12030 | Non-S&S | ModNegligence | $143 |
| 08/23/2023 | 56.14103(b) | Non-S&S | ModNegligence | $143 |
| 08/23/2023 | 56.14131(a) | Non-S&S | ModNegligence | $376 |
| 05/05/2022 | 56.12013(c) | Non-S&S | ModNegligence | $133 |
| 05/05/2022 | 56.12008 | Non-S&S | ModNegligence | $133 |
| 12/02/2020 | 56.12004 | Non-S&S | ModNegligence | $123 |
| 04/09/2019 | 56.12004 | Non-S&S | ModNegligence | $121 |
| 04/09/2019 | 56.12004 | Non-S&S | ModNegligence | $121 |
| 11/01/2017 | 56.14101(a)(2) | Non-S&S | ModNegligence | $116 |
| 11/01/2017 | 56.12004 | Non-S&S | ModNegligence | $116 |
| 11/01/2017 | 56.14107(a) | Non-S&S | ModNegligence | $116 |
| 11/01/2017 | 56.14107(a) | Non-S&S | ModNegligence | $116 |
| 11/01/2017 | 56.11027 | Non-S&S | ModNegligence | $116 |
| 11/01/2017 | 56.12028 | Non-S&S | ModNegligence | $116 |
Accidents & Injuries
View all 1 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 11/19/2025 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 54d restricted |
Inspections
View all 20 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 07/24/2025 | 07/25/2025 | 13.00 | 1 |
| 09/10/2024 | 09/11/2024 | 18.00 | 1 |
| 08/23/2023 | 08/25/2023 | 15.00 | 1 |
| 05/05/2022 | 05/06/2022 | 16.50 | 1 |
| 12/01/2020 | 12/02/2020 | 9.50 | 1 |
| 04/22/2020 | 04/22/2020 | 11.00 | 1 |
| 04/08/2019 | 04/11/2019 | 36.00 | 1 |
| 11/01/2017 | 11/01/2017 | 16.50 | 1 |
| 11/01/2016 | 11/03/2016 | 14.50 | 1 |
| 08/30/2016 | 08/31/2016 | 12.00 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Plant 4 have?
Plant 4 has 35 MSHA violations on record, of which 9 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $5K.
What type of mine is Plant 4?
Plant 4 is a Surface mine producing Nonmetal, located in Blackfoot, Bonneville County, ID. It currently has 2 employees.
Has anyone been injured or killed at Plant 4?
According to MSHA records, Plant 4 has 1 reported accident/injury records and 0 fatalities on file.
Who operates Plant 4?
Plant 4 is operated by Mickelsen Construction, Inc. and controlled by Delwyn L Mickelsen. MSHA Mine ID: 1002187.