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

Active Surface Stone

Operator: Knife River Corporation-Northwest

Controller: Knife River Corporation

Location: Beaverton, Washington County, OR

Employees: 33

265
Violations
48
S&S Violations
47
Accidents
$85K
Penalties

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

MSHA Mine ID3500634
Mine TypeSurface
StatusActive
CommodityStone
SIC DescriptionCrushed, Broken Traprock
Employees33
Days/Week5.0
Hours/Shift8.0
Coordinates45.4575000, -122.9050000
Nearest TownBeaverton

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.