Key Takeaway
Kalispell Portable Plant is a active surface mine producing SandAndGravel, located in Columbia Falls, Flathead County, MT. It has 36 violations on record (9 S&S) and $6K in proposed penalties. Operated by Knife River Missoula.
Kalispell Portable Plant
Operator: Knife River Missoula
Controller: Knife River Corporation
Location: Columbia Falls, Flathead County, MT
Employees: 4
Recent Violations
View all 36 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 12/09/2025 | 56.12016 | S&S | ModNegligence | $592 |
| 10/21/2025 | 56.12002 | Non-S&S | ModNegligence | $151 |
| 10/21/2025 | 56.4201(a)(2) | Non-S&S | ModNegligence | $151 |
| 08/14/2025 | 56.12028 | Non-S&S | ModNegligence | $151 |
| 03/19/2025 | 56.14107(a) | Non-S&S | ModNegligence | $151 |
| 03/29/2024 | 56.12028 | Non-S&S | ModNegligence | $147 |
| 03/29/2024 | 56.12028 | Non-S&S | ModNegligence | $147 |
| 08/04/2022 | 56.4130(b) | Non-S&S | ModNegligence | $133 |
| 10/07/2020 | 56.15001 | Non-S&S | ModNegligence | $123 |
| 10/07/2020 | 56.18002(a) | Non-S&S | ModNegligence | $123 |
| 04/08/2020 | 56.14107(a) | Non-S&S | ModNegligence | $123 |
| 04/08/2020 | 56.9300(c) | Non-S&S | ModNegligence | $123 |
| 05/09/2017 | 56.9300(a) | S&S | ModNegligence | $148 |
| 05/09/2017 | 56.12004 | Non-S&S | ModNegligence | $116 |
| 05/09/2017 | 56.18002(b) | Non-S&S | LowNegligence | $116 |
| 03/29/2016 | 56.14107(a) | Non-S&S | LowNegligence | $100 |
| 03/29/2016 | 56.12023 | Non-S&S | LowNegligence | $100 |
| 03/29/2016 | 56.12028 | Non-S&S | ModNegligence | $100 |
| 03/29/2016 | 46.3(b) | Non-S&S | ModNegligence | $100 |
| 04/21/2015 | 50.30(a) | Non-S&S | ModNegligence | $100 |
Accidents & Injuries
View all 1 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 04/14/2023 | MACHINERY | DAYS RESTRICTED ACTIVITY ONLY | 11d restricted |
Inspections
View all 40 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 12/09/2025 | 12/10/2025 | 6.00 | 1 |
| 12/05/2025 | 12/10/2025 | 11.25 | 1 |
| 10/21/2025 | 10/21/2025 | 12.00 | 1 |
| 08/11/2025 | 08/15/2025 | 12.75 | 1 |
| 03/17/2025 | 03/20/2025 | 12.50 | 1 |
| 07/31/2024 | 08/01/2024 | 9.50 | 1 |
| 03/29/2024 | 03/29/2024 | 10.50 | 1 |
| 08/29/2023 | 08/31/2023 | 12.00 | 1 |
| 05/17/2023 | 05/17/2023 | 1.50 | 1 |
| 09/26/2022 | 09/28/2022 | 43.75 | 2 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Kalispell Portable Plant have?
Kalispell Portable Plant has 36 MSHA violations on record, of which 9 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $6K.
What type of mine is Kalispell Portable Plant?
Kalispell Portable Plant is a Surface mine producing SandAndGravel, located in Columbia Falls, Flathead County, MT. It currently has 4 employees.
Has anyone been injured or killed at Kalispell Portable Plant?
According to MSHA records, Kalispell Portable Plant has 1 reported accident/injury records and 0 fatalities on file.
Who operates Kalispell Portable Plant?
Kalispell Portable Plant is operated by Knife River Missoula and controlled by Knife River Corporation. MSHA Mine ID: 2402095.