Key Takeaway
Farmington Pit is a active surface mine producing Stone, located in Beaverton, Washington County, OR. It has 265 violations on record (48 S&S) and $85K in proposed penalties. Operated by Knife River Corporation-Northwest.
Farmington Pit
Operator: Knife River Corporation-Northwest
Controller: Knife River Corporation
Location: Beaverton, Washington County, OR
Employees: 33
Recent Violations
View all 265 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 11/18/2025 | 56.12008 | Non-S&S | ModNegligence | $151 |
| 01/08/2025 | 56.14207 | Non-S&S | ModNegligence | $1,320 |
| 08/28/2024 | 56.12013(b) | Non-S&S | ModNegligence | $147 |
| 08/28/2024 | 56.12008 | Non-S&S | ModNegligence | $147 |
| 08/28/2024 | 56.12004 | Non-S&S | ModNegligence | $172 |
| 08/28/2024 | 56.15005 | S&S | ModNegligence | $861 |
| 08/28/2024 | 56.14100(b) | Non-S&S | ModNegligence | $147 |
| 08/28/2024 | 56.14100(b) | Non-S&S | ModNegligence | $147 |
| 08/28/2024 | 56.14100(b) | Non-S&S | ModNegligence | $147 |
| 08/28/2024 | 56.14132(a) | Non-S&S | ModNegligence | $147 |
| 02/06/2024 | 56.12004 | Non-S&S | ModNegligence | $172 |
| 02/06/2024 | 56.14100(b) | Non-S&S | ModNegligence | $147 |
| 02/06/2024 | 50.20(a) | Non-S&S | ModNegligence | $147 |
| 08/29/2023 | 56.11003 | Non-S&S | ModNegligence | $167 |
| 08/29/2023 | 56.4101 | Non-S&S | ModNegligence | $143 |
| 08/29/2023 | 56.12004 | Non-S&S | ModNegligence | $167 |
| 08/29/2023 | 56.12004 | Non-S&S | ModNegligence | $167 |
| 05/04/2022 | 56.4201(a)(2) | Non-S&S | ModNegligence | $133 |
| 05/04/2022 | 56.11001 | S&S | ModNegligence | $155 |
| 05/04/2022 | 56.12030 | Non-S&S | ModNegligence | $133 |
Accidents & Injuries
View all 47 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 04/15/2025 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 22d restricted |
| 09/01/2023 | HANDTOOLS (NONPOWERED) | DAYS AWAY FROM WORK ONLY | 10d lost |
| 01/26/2021 | HANDTOOLS (NONPOWERED) | DAYS RESTRICTED ACTIVITY ONLY | 16d restricted |
| 07/21/2020 | POWERED HAULAGE | DYS AWY FRM WRK & RESTRCTD ACT | 1d lost, 24d restricted |
| 06/10/2020 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 5d restricted |
| 05/09/2019 | HANDTOOLS (NONPOWERED) | DYS AWY FRM WRK & RESTRCTD ACT | 83d lost, 291d restricted |
| 07/23/2018 | HANDTOOLS (NONPOWERED) | DAYS RESTRICTED ACTIVITY ONLY | 9d restricted |
| 04/18/2018 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 16d restricted |
| 08/31/2017 | HANDLING OF MATERIALS | DYS AWY FRM WRK & RESTRCTD ACT | 8d lost, 7d restricted |
| 07/21/2017 | POWERED HAULAGE | DAYS RESTRICTED ACTIVITY ONLY | 159d restricted |
Inspections
View all 78 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 02/17/2026 | 02/20/2026 | 34.25 | 1 |
| 11/17/2025 | 11/19/2025 | 14.50 | 1 |
| 05/28/2025 | 05/29/2025 | 12.00 | 1 |
| 01/08/2025 | 01/10/2025 | 22.50 | 1 |
| 08/26/2024 | 08/29/2024 | 18.25 | 1 |
| 02/06/2024 | 02/07/2024 | 16.00 | 1 |
| 08/29/2023 | 08/29/2023 | 0.50 | 1 |
| 08/28/2023 | 08/29/2023 | 13.00 | 1 |
| 02/06/2023 | 02/08/2023 | 12.00 | 1 |
| 05/02/2022 | 05/06/2022 | 33.00 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Farmington Pit have?
Farmington Pit has 265 MSHA violations on record, of which 48 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $85K.
What type of mine is Farmington Pit?
Farmington Pit is a Surface mine producing Stone, located in Beaverton, Washington County, OR. It currently has 33 employees.
Has anyone been injured or killed at Farmington Pit?
According to MSHA records, Farmington Pit has 47 reported accident/injury records and 0 fatalities on file.
Who operates Farmington Pit?
Farmington Pit is operated by Knife River Corporation-Northwest and controlled by Knife River Corporation. MSHA Mine ID: 3500634.