Key Takeaway
Portable Crusher #1 is a intermittent surface mine producing SandAndGravel, located in Missoula, Missoula County, MT. It has 52 violations on record (7 S&S) and $7K in proposed penalties. Operated by Knife River Missoula.
Portable Crusher #1
Operator: Knife River Missoula
Controller: Knife River Corporation
Location: Missoula, Missoula County, MT
Employees: 4
Recent Violations
View all 52 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 08/13/2024 | 56.12004 | Non-S&S | LowNegligence | $147 |
| 05/06/2021 | 56.14112(a)(1) | Non-S&S | ModNegligence | $125 |
| 05/06/2021 | 56.14100(b) | S&S | ModNegligence | $530 |
| 05/06/2021 | 56.20013 | Non-S&S | ModNegligence | $125 |
| 05/06/2021 | 56.14132(a) | Non-S&S | ModNegligence | $125 |
| 05/06/2021 | 56.4101 | Non-S&S | ModNegligence | $125 |
| 04/02/2019 | 56.14107(a) | Non-S&S | ModNegligence | $121 |
| 04/02/2019 | 56.14116(a) | Non-S&S | ModNegligence | $121 |
| 08/07/2018 | 56.14112(b) | Non-S&S | ModNegligence | $118 |
| 08/07/2018 | 56.14112(b) | Non-S&S | ModNegligence | $118 |
| 02/13/2018 | 56.12002 | Non-S&S | ModNegligence | $118 |
| 02/13/2018 | 56.12005 | Non-S&S | LowNegligence | $118 |
| 10/12/2016 | 56.14107(a) | Non-S&S | ModNegligence | $114 |
| 10/12/2016 | 56.12004 | Non-S&S | ModNegligence | $114 |
| 01/27/2016 | 47.41(a) | Non-S&S | ModNegligence | $100 |
| 06/16/2015 | 56.12025 | Non-S&S | ModNegligence | $100 |
| 10/21/2014 | 56.14107(a) | Non-S&S | ModNegligence | $285 |
| 10/21/2014 | 56.11001 | S&S | ModNegligence | $946 |
| 06/03/2014 | 56.14107(a) | Non-S&S | LowNegligence | $100 |
| 06/03/2014 | 56.14112(a)(1) | Non-S&S | ModNegligence | $100 |
Accidents & Injuries
View all 1 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 04/16/2007 | SLIP OR FALL OF PERSON | NO DYS AWY FRM WRK,NO RSTR ACT | None |
Inspections
View all 48 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 06/24/2025 | 06/24/2025 | 5.75 | 1 |
| 03/11/2025 | 03/13/2025 | 13.50 | 1 |
| 08/12/2024 | 08/13/2024 | 7.75 | 1 |
| 03/13/2024 | 03/13/2024 | 6.75 | 1 |
| 11/09/2022 | 11/10/2022 | 7.00 | 1 |
| 06/02/2022 | 06/02/2022 | 6.25 | 1 |
| 05/25/2021 | 05/25/2021 | 3.50 | 1 |
| 05/05/2021 | 05/10/2021 | 17.75 | 1 |
| 09/09/2020 | 09/09/2020 | 10.00 | 1 |
| 04/02/2019 | 04/04/2019 | 27.50 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Portable Crusher #1 have?
Portable Crusher #1 has 52 MSHA violations on record, of which 7 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $7K.
What type of mine is Portable Crusher #1?
Portable Crusher #1 is a Surface mine producing SandAndGravel, located in Missoula, Missoula County, MT. It currently has 4 employees.
Has anyone been injured or killed at Portable Crusher #1?
According to MSHA records, Portable Crusher #1 has 1 reported accident/injury records and 0 fatalities on file.
Who operates Portable Crusher #1?
Portable Crusher #1 is operated by Knife River Missoula and controlled by Knife River Corporation. MSHA Mine ID: 2402022.