Knife River Corporation-Northwest · (Not Elsewhere Classified)
Team Member complained of chest pain before suddenly becoming unresponsive. Bystanders administered CPR and they were transported to the hospital.
KEIZER PIT & PLANT: 112 MSHA citations Metal/Non-Metal
Knife River Corporation-Northwest
· Surface
Controlled by
Knife River Corporation
Keizer,
Marion County,
OR
·
Active
MSHA Mine ID: 3500503
KEIZER PIT & PLANT has $13K in proposed MSHA penalties and $0 outstanding across 1 contested dockets, plus health sampling and the full incident record.
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- Fatalities
- 0
- Total incidents
- 7
- Years on record
- 1985–2024
- Latest incident
- Aug 2024
Compliance record
MSHA citations since 2001
112
citations
19
significant & substantial
$13,433
proposed penalties
$13,433
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2001
61
inspections on record
749
inspection hours
n/a
citations per 100 inspection hours
ⓘ
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.Rate withheld: 749 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
KEIZER PIT & PLANT has $13K in proposed MSHA penalties and $0 outstanding across 1 contested dockets.
Penalty disposition
ⓘ
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.$13K
proposed penalties
$13K
current assessed
$13K
paid to date
$0
outstanding
108 assessments are final orders; 1 contested dockets.
Of $114 in penalties contested before the Commission, $114 was upheld in final decisions.
As of the most recent assessment on 2024-09-09.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Violation severity profile
ⓘ
Shares are computed over citations that carry the MSHA gravity and negligence coding; a small share of records are uncoded.17.6%
significant & substantial
1.9%
high negligence or reckless
17.6%
reasonably likely or greater
64.8%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 15.7% low, 82.4% moderate, 1.9% high, 0.0% reckless.
Source: MSHA violations gravity and negligence coding, updated weekly.
When citations were contested
ⓘ
Contesting a citation before the Federal Mine Safety and Health Review Commission is a lawful right. These figures state the public outcomes of that process, from MSHA's Contested Violations file.
1
citations taken to the federal commission · 1% of citations on record
- Stood as issued 1 · 100%
0%
Penalty reduction in decided contests
$114 proposed, $114 after decisions · industry: 39%
Source: MSHA Contested Violations file (public record), updated weekly. A dismissed or defaulted contest leaves the citation standing as issued; a vacated or withdrawn citation is removed from the violation record. Latest contest filed 2017-02-07.
Contested penalties
ⓘ
A reduction or dismissal at the Commission is a lawful outcome of contesting a proposed penalty. Figures are the proposed amount and the amount upheld in the docket's decision.Largest penalties this mine contested before the Federal Mine Safety and Health Review Commission, with the outcome on record.
| Docket | Decision | Judge | Year | Proposed / upheld |
|---|---|---|---|---|
| WEST 2017-0224 | Dismissal | Miller | 2017 | $114 → $114 |
Source: FMSHRC civil penalty dockets and decisions (public record), updated weekly.
Health sampling
ⓘ
A sample is a point in time compliance measurement, not an individual exposure history. These figures describe MSHA sampling records and do not establish causation or personal dose.Metal and nonmetal contaminants (personal samples)
ⓘ
Many samples are screening measurements of substances with no applicable exposure limit; they are counted as samples but excluded from every over-limit figure. Over-limit shares use only limit-tested samples.
Last sampled: 2024-02-28
ⓘ
Many samples are screening measurements of substances with no applicable exposure limit; they are counted as samples but excluded from every over-limit figure. Over-limit shares use only limit-tested samples.0%
of limit-tested samples over the exposure limit
11
samples
1
limit-tested
Most sampled contaminants
- Respirable dust, <.1mg9
- Quartz, respirable, >1% Qtz1
- Unlisted Particulate, respirable, <1% Qtz1
Show the individual readings (11)
| Date | Contaminant | Concentration | Limit | Conc / limit | Occupation |
|---|---|---|---|---|---|
| 2024-02-28 | Respirable dust, <.1mg | 0 | Cleanup Man | ||
| 2020-10-08 | Respirable dust, <.1mg | 0 | Front-end Loader Operator | ||
| 2017-04-25 | Respirable dust, <.1mg | 0 | Front-end Loader Operator | ||
| 2017-04-25 | Respirable dust, <.1mg | 0 | Crusher Oper/Worker | ||
| 2017-04-25 | Respirable dust, <.1mg | 0 | Crusher Oper/Worker | ||
| 2014-04-01 | Respirable dust, <.1mg | 0 | Front-end Loader Operator | ||
| 2005-11-22 | Unlisted Particulate, respirable, <1% Qtz | 0.15 | Front-end Loader Operator | ||
| 2005-11-22 | Respirable dust, <.1mg | 0 | Laborer, Bullgang | ||
| 2005-11-22 | Respirable dust, <.1mg | 0 | Shovel Operator | ||
| 2005-07-07 | Respirable dust, <.1mg | 0 | Front-end Loader Operator | ||
| 2005-07-07 | Quartz, respirable, >1% Qtz | 0.77 | 1.32 | 0.58 | Crusher Oper/Worker |
Source: MSHA respirable dust, quartz, and noise sampling records, updated weekly. Metal/nonmetal contaminant figures come from MSHA's Personal Health Samples and Area Samples files (public record), updated weekly.
Ownership history
- Keizer Sand & Gravel 1950 to 1989
- Keizer Sand & Gravel 1989 to 2005
- Keizer Sand & Gravel LLC 2005 to 2011
- Viesko Redi Mix Inc 2011 to 2019
- Knife River Corporation-Northwest 2019 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
| Year | Employees |
|---|---|
| 2026 | 2 |
| 2025 | 3 |
| 2024 | 4 |
| 2023 | 6 |
| 2022 | 5 |
| 2021 | 4 |
| 2020 | 4 |
| 2019 | 7 |
| 2018 | 10 |
| 2017 | 4 |
| 2016 | 4 |
| 2015 | 3 |
| 2014 | 3 |
| 2013 | 3 |
| 2012 | 4 |
| 2011 | 4 |
| 2010 | 4 |
| 2009 | 6 |
| 2008 | 6 |
| 2007 | 7 |
| 2006 | 6 |
| 2005 | 7 |
| 2004 | 7 |
| 2003 | 6 |
| 2002 | 5 |
| 2001 | 5 |
| 2000 | 4 |
Source: MSHA quarterly employment and production, updated weekly.
KEIZER PIT & PLANT sits in Marion County, Oregon, where the Census mining category is 0.0% of county employment.
Local economic context
ⓘ
County figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.Marion County, Oregon · Population 346,532
0.0%
Mining share of county employment
$74,624
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
Quarterly safety rates
ⓘ
Citations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.Citations per million employee-hours, as reported to MSHA
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2026 Q2 | 1,676 | 0 | 0 | 0.0 |
| 2026 Q1 | 693 | 0 | 0 | 0.0 |
| 2025 Q4 | 1,223 | 0 | 0 | 0.0 |
| 2025 Q3 | 1,341 | 0 | 0 | 0.0 |
| 2025 Q2 | 1,573 | 0 | 0 | 0.0 |
| 2025 Q1 | 2,152 | 0 | 0 | 0.0 |
| 2024 Q4 | 3,758 | 0 | 0 | 0.0 |
| 2024 Q3 | 2,475 | 1 | 0 | 404.0 |
Show 98 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2024 Q2 | 2,413 | 0 | 0 | 0.0 |
| 2024 Q1 | 2,351 | 0 | 0 | 0.0 |
| 2023 Q4 | 3,958 | 0 | 0 | 0.0 |
| 2023 Q3 | 3,220 | 0 | 0 | 0.0 |
| 2023 Q2 | 3,284 | 0 | 0 | 0.0 |
| 2023 Q1 | 2,947 | 1 | 0 | 339.3 |
| 2022 Q4 | 3,457 | 0 | 0 | 0.0 |
| 2022 Q3 | 2,630 | 0 | 0 | 0.0 |
| 2022 Q2 | 2,213 | 0 | 0 | 0.0 |
| 2022 Q1 | 1,947 | 0 | 0 | 0.0 |
| 2021 Q4 | 2,239 | 0 | 0 | 0.0 |
| 2021 Q3 | 2,603 | 0 | 0 | 0.0 |
| 2021 Q2 | 2,376 | 0 | 0 | 0.0 |
| 2021 Q1 | 932 | 0 | 0 | 0.0 |
| 2020 Q4 | 1,928 | 2 | 0 | 1037.3 |
| 2020 Q3 | 4,574 | 0 | 0 | 0.0 |
| 2020 Q2 | 2,685 | 0 | 0 | 0.0 |
| 2020 Q1 | 2,338 | 2 | 0 | 855.4 |
| 2019 Q4 | 4,458 | 0 | 0 | 0.0 |
| 2019 Q3 | 2,670 | 0 | 0 | 0.0 |
| 2019 Q2 | 2,141 | 1 | 0 | 467.1 |
| 2019 Q1 | 1,233 | 0 | 0 | 0.0 |
| 2018 Q4 | 4,357 | 6 | 2 | 1377.1 |
| 2018 Q3 | 3,735 | 1 | 0 | 267.7 |
| 2018 Q2 | 3,703 | 0 | 0 | 0.0 |
| 2018 Q1 | 2,781 | 0 | 0 | 0.0 |
| 2017 Q4 | 2,075 | 1 | 0 | 481.9 |
| 2017 Q3 | 1,853 | 0 | 0 | 0.0 |
| 2017 Q2 | 1,836 | 3 | 1 | 1634.0 |
| 2017 Q1 | 1,780 | 0 | 0 | 0.0 |
| 2016 Q4 | 1,388 | 2 | 1 | 1440.9 |
| 2016 Q3 | 1,802 | 0 | 0 | 0.0 |
| 2016 Q2 | 2,538 | 0 | 0 | 0.0 |
| 2016 Q1 | 3,463 | 0 | 0 | 0.0 |
| 2015 Q4 | 1,843 | 2 | 0 | 1085.2 |
| 2015 Q3 | 1,307 | 0 | 0 | 0.0 |
| 2015 Q2 | 1,464 | 1 | 0 | 683.1 |
| 2015 Q1 | 767 | 0 | 0 | 0.0 |
| 2014 Q4 | 1,512 | 4 | 1 | 2645.5 |
| 2014 Q3 | 1,878 | 0 | 0 | 0.0 |
| 2014 Q2 | 1,666 | 3 | 2 | 1800.7 |
| 2014 Q1 | 1,223 | 0 | 0 | 0.0 |
| 2013 Q4 | 1,416 | 0 | 0 | 0.0 |
| 2013 Q3 | 1,081 | 0 | 0 | 0.0 |
| 2013 Q2 | 1,519 | 2 | 0 | 1316.7 |
| 2013 Q1 | 872 | 0 | 0 | 0.0 |
| 2012 Q4 | 1,087 | 2 | 0 | 1839.9 |
| 2012 Q3 | 2,440 | 0 | 0 | 0.0 |
| 2012 Q2 | 2,202 | 4 | 0 | 1816.5 |
| 2012 Q1 | 1,191 | 1 | 0 | 839.6 |
| 2011 Q4 | 1,626 | 0 | 0 | 0.0 |
| 2011 Q3 | 1,724 | 2 | 1 | 1160.1 |
| 2011 Q2 | 1,160 | 0 | 0 | 0.0 |
| 2011 Q1 | 1,900 | 0 | 0 | 0.0 |
| 2010 Q4 | 1,757 | 0 | 0 | 0.0 |
| 2010 Q3 | 1,989 | 4 | 2 | 2011.1 |
| 2010 Q2 | 1,836 | 0 | 0 | 0.0 |
| 2010 Q1 | 1,810 | 5 | 2 | 2762.4 |
| 2009 Q4 | 2,155 | 0 | 0 | 0.0 |
| 2009 Q3 | 2,584 | 0 | 0 | 0.0 |
| 2009 Q2 | 2,334 | 4 | 0 | 1713.8 |
| 2009 Q1 | 2,302 | 3 | 1 | 1303.2 |
| 2008 Q4 | 2,603 | 0 | 0 | 0.0 |
| 2008 Q3 | 3,437 | 0 | 0 | 0.0 |
| 2008 Q2 | 2,994 | 2 | 0 | 668.0 |
| 2008 Q1 | 2,392 | 0 | 0 | 0.0 |
| 2007 Q4 | 3,436 | 1 | 0 | 291.0 |
| 2007 Q3 | 5,497 | 0 | 0 | 0.0 |
| 2007 Q2 | 3,419 | 0 | 0 | 0.0 |
| 2007 Q1 | 2,975 | 0 | 0 | 0.0 |
| 2006 Q4 | 3,084 | 2 | 0 | 648.5 |
| 2006 Q3 | 3,870 | 0 | 0 | 0.0 |
| 2006 Q2 | 2,728 | 0 | 0 | 0.0 |
| 2006 Q1 | 2,829 | 4 | 2 | 1413.9 |
| 2005 Q4 | 3,451 | 5 | 0 | 1448.9 |
| 2005 Q3 | 3,834 | 3 | 0 | 782.5 |
| 2005 Q2 | 3,349 | 0 | 0 | 0.0 |
| 2005 Q1 | 2,801 | 1 | 0 | 357.0 |
| 2004 Q4 | 3,074 | 0 | 0 | 0.0 |
| 2004 Q3 | 3,188 | 25 | 2 | 7841.9 |
| 2004 Q2 | 3,362 | 0 | 0 | 0.0 |
| 2004 Q1 | 2,277 | 0 | 0 | 0.0 |
| 2003 Q4 | 2,646 | 0 | 0 | 0.0 |
| 2003 Q3 | 3,789 | 2 | 0 | 527.8 |
| 2003 Q2 | 3,953 | 0 | 0 | 0.0 |
| 2003 Q1 | 2,450 | 1 | 0 | 408.2 |
| 2002 Q4 | 2,477 | 0 | 0 | 0.0 |
| 2002 Q3 | 2,348 | 0 | 0 | 0.0 |
| 2002 Q2 | 2,616 | 0 | 0 | 0.0 |
| 2002 Q1 | 2,376 | 2 | 0 | 841.8 |
| 2001 Q4 | 2,715 | 6 | 2 | 2209.9 |
| 2001 Q3 | 2,734 | 1 | 0 | 365.8 |
| 2001 Q2 | 2,301 | 0 | 0 | 0.0 |
| 2001 Q1 | 3,204 | 0 | 0 | 0.0 |
| 2000 Q4 | 3,032 | 0 | 0 | 0.0 |
| 2000 Q3 | 3,055 | 0 | 0 | 0.0 |
| 2000 Q2 | 2,129 | 0 | 0 | 0.0 |
| 2000 Q1 | 1,674 | 0 | 0 | 0.0 |
No fatalities recorded at this mine.
Reportable incidents
7 on file2024 · 1 incident
2018 · 1 incident
October 2, 2018
OR · Metal/Non-Metal
laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman
OTHER
Viesko Redi Mix Inc · Bodily reaction, (Not Elsewhere Classified)
Sprained back while working in the yard.
2016 · 1 incident
January 5, 2016
OR · Metal/Non-Metal
front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator
POWERED HAULAGE
Viesko Redi Mix Inc · Struck against a moving object
Operating 744 loader, cleaning dump site, stockpiling and loading trucks.
2007 · 1 incident
August 6, 2007
OR · Metal/Non-Metal
haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver
POWERED HAULAGE
Keizer Sand & Gravel LLC · Struck against a moving object
Employee was driving haul truck and claims to have hit some bumps which resulted in his leg going numb. He continued working without informing supervisor. He returned to work the next day, informed supervisor that leg was too painful to work, and was sent for medical treatment. Physician recommended physical therapy for muscle strain. Employee returned to work 8/9/2007.
2005 · 1 incident
June 10, 2005
OR · Metal/Non-Metal
bulldozer operator, universal operator, heavy equipment operator, operating engineer
MACHINERY
Keizer Sand & Gravel LLC · Struck by flying object
DIGGING WITH EXCAVATOR IN POND, EAR ON BUCKET SNAPPED AND FLEW INTO CAB AND STRUCK IN FOREHEAD.
1990 · 1 incident
August 24, 1990
OR · Metal/Non-Metal
warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator
HANDLING OF MATERIALS
Keizer Sand & Gravel · Struck by falling object
MOTOR LANDED ON HAND APPROX WEIGHT 200 LBS.
1985 · 1 incident
October 23, 1985
OR · Metal/Non-Metal
haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver
SLIP OR FALL OF PERSON
Keizer Sand & Gravel · Over-exertion (Not Elsewhere Classified)
WORKER WAS OPERATING ROCK CRUSHER STATIONARY TYPE WHEN COMING DOWN WOODEN CATWALK HE SLIPPED AND INJURED HIS LEFT KNE. WENT HOME FOR BALANCE OF DAY WENT TO THE DR THE FOLLOWING DAY AND IS TO SEE HIM AGAINS 10-26-85 FOR MORE EXTENSION EXAM & POSSIBLE SURGERY