Mining Incidents

Martis Valley Plant Metal/Non-Metal

Teichert Aggregates · Surface
Controlled by Teichert Inc
truckee, Nevada County, CA  ·  Intermittent
MSHA Mine ID: 0401679

Martis Valley Plant has $9K in proposed MSHA penalties and $0 outstanding across 5 contested dockets, plus health sampling and the full incident record.

Watch this mine

Email me when a new MSHA incident is filed at Martis Valley Plant.

Fatalities
0
Total incidents
17
Years on record
1989–2022
Latest incident
Apr 2022
Compliance record
MSHA citations since 2000
68
citations
6
significant & substantial
$8,943
proposed penalties
$8,833
paid to date
99% of proposed penalties paid to date, a $110 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
37
inspections on record
693
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: 693 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Martis Valley Plant has $9K in proposed MSHA penalties and $0 outstanding across 5 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.
$9K
proposed penalties
$9K
current assessed
$9K
paid to date
$0
outstanding
61 assessments are final orders; 5 contested dockets.
As of the most recent assessment on 2025-05-28.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
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
2025 Q4 561 0 0 0.0
2025 Q3 2,254 0 0 0.0
2025 Q2 1,410 1 0 709.2
2024 Q4 1,461 0 0 0.0
2024 Q3 3,918 1 0 255.2
2024 Q2 2,658 0 0 0.0
2023 Q4 2,134 0 0 0.0
2023 Q3 6,599 4 0 606.2
Show 91 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q2 5,521 0 0 0.0
2023 Q1 1,678 0 0 0.0
2022 Q4 2,484 0 0 0.0
2022 Q3 5,234 0 0 0.0
2022 Q2 4,442 0 0 0.0
2022 Q1 2,060 5 3 2427.2
2021 Q4 2,964 0 0 0.0
2021 Q3 4,676 0 0 0.0
2021 Q2 4,325 0 0 0.0
2021 Q1 1,916 0 0 0.0
2020 Q4 2,131 0 0 0.0
2020 Q3 4,830 0 0 0.0
2020 Q2 4,714 0 0 0.0
2019 Q4 3,294 0 0 0.0
2019 Q3 5,309 0 0 0.0
2019 Q2 5,010 0 0 0.0
2019 Q1 730 0 0 0.0
2018 Q4 3,573 1 0 279.9
2018 Q3 5,638 0 0 0.0
2017 Q4 3,405 7 0 2055.8
2017 Q3 6,116 0 0 0.0
2017 Q2 5,221 0 0 0.0
2017 Q1 1,257 4 0 3182.2
2016 Q4 4,140 0 0 0.0
2016 Q3 5,220 1 0 191.6
2016 Q2 5,769 0 0 0.0
2016 Q1 1,599 0 0 0.0
2015 Q4 4,157 0 0 0.0
2015 Q3 5,734 2 0 348.8
2015 Q2 6,289 0 0 0.0
2015 Q1 2,154 0 0 0.0
2014 Q4 4,470 0 0 0.0
2014 Q3 6,324 1 0 158.1
2014 Q2 5,817 0 0 0.0
2014 Q1 1,546 0 0 0.0
2013 Q4 4,164 0 0 0.0
2013 Q3 6,019 0 0 0.0
2013 Q2 5,782 1 0 173.0
2013 Q1 937 0 0 0.0
2012 Q4 4,357 0 0 0.0
2012 Q3 6,586 3 0 455.5
2012 Q2 4,516 0 0 0.0
2012 Q1 671 0 0 0.0
2011 Q4 5,771 0 0 0.0
2011 Q3 6,977 0 0 0.0
2011 Q2 5,563 0 0 0.0
2011 Q1 796 0 0 0.0
2010 Q4 4,943 0 0 0.0
2010 Q3 9,792 2 0 204.2
2010 Q2 7,471 0 0 0.0
2010 Q1 598 0 0 0.0
2009 Q4 5,455 6 1 1099.9
2009 Q3 7,532 0 0 0.0
2009 Q2 6,273 2 0 318.8
2009 Q1 3,540 0 0 0.0
2008 Q4 11,166 4 0 358.2
2008 Q3 9,653 0 0 0.0
2008 Q2 5,036 0 0 0.0
2008 Q1 5,253 0 0 0.0
2007 Q4 10,729 1 1 93.2
2007 Q3 14,711 0 0 0.0
2007 Q2 22,379 0 0 0.0
2007 Q1 6,058 1 0 165.1
2006 Q4 9,989 0 0 0.0
2006 Q3 12,450 2 0 160.6
2006 Q2 9,765 0 0 0.0
2006 Q1 6,680 0 0 0.0
2005 Q4 9,716 0 0 0.0
2005 Q3 10,566 0 0 0.0
2005 Q2 8,754 1 0 114.2
2005 Q1 5,090 0 0 0.0
2004 Q4 8,326 3 0 360.3
2004 Q3 9,086 0 0 0.0
2004 Q2 8,062 0 0 0.0
2004 Q1 6,349 0 0 0.0
2003 Q4 8,225 0 0 0.0
2003 Q3 10,363 0 0 0.0
2003 Q2 9,438 0 0 0.0
2003 Q1 6,868 0 0 0.0
2002 Q4 7,722 1 1 129.5
2002 Q3 9,067 0 0 0.0
2002 Q2 8,325 0 0 0.0
2002 Q1 6,062 0 0 0.0
2001 Q4 9,753 0 0 0.0
2001 Q3 12,876 0 0 0.0
2001 Q2 12,196 0 0 0.0
2001 Q1 9,131 0 0 0.0
2000 Q4 13,535 4 0 295.5
2000 Q3 10,671 9 0 843.4
2000 Q2 13,250 0 0 0.0
2000 Q1 9,374 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

17 on file

2022 · 1 incident

April 27, 2022 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Teichert Aggregates · Fall to the walkway or working surface

Tripping incident

2010 · 1 incident

October 20, 2010 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Teichert Aggregates · Struck against a moving object

While operating a front end loader, the operator ran over a 1' rock. This jerked him and resulted in a strain to his lower back. The Operator did not report the incident to management until 11-3-2010.

2007 · 1 incident

June 21, 2007 CA · Metal/Non-Metal pumper MACHINERY
Teichert Aggregates · Over-exertion (Not Elsewhere Classified)

While drilling into rubber stock, the drill bit caught on the underlying surface causing drill to jerk. As a result, ee's hand was strained. On 9/14/07 he reported he was having problems with the hand & requested a medical evaluation. diagnosis required physical therapy resulting in a recordable injury.

2006 · 1 incident

September 30, 2006 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech POWERED HAULAGE
Teichert Aggregates · Struck against a moving object

While operating a 988 F, employee felt pain in his lower back. Prior to operating the loader, he rigged an oversized boulder with a nylon strap.

2005 · 3 incidents

November 22, 2005 CA · Metal/Non-Metal coal/ore shovel operator, shoveler, power shoveler ALL OTHER OCCUPATIONAL ILLNESSES
Teichert Aggregates · (Not Elsewhere Classified)

Work Related Stress

October 25, 2005 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Teichert Aggregates · Fall onto or against objects

As employee exited the cab of the Bobcat Skid Steer, he hit his head on the saftey bar that goes across the operators chest and stores up above the rear view mirror.

February 22, 2005 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Teichert Aggregates · Contact with hot objects or substances

EE landed against a new weld; steam from a wet sweatshirt caused burn- first aid administered.

2002 · 1 incident

May 22, 2002 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Teichert Aggregates · Struck by flying object

EE WAS CUTTING A MILLSCALE & A PIECE FLEW UP UNDER HIS GLASSES INTO HIS RIGHT EYE.

2001 · 1 incident

August 24, 2001 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Teichert Aggregates · Struck against a moving object

LOADER #172 BACKED INTO #173 JARRING THE OPERATOR WITH THE SIDE IMPACT.

2000 · 1 incident

December 28, 2000 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Teichert Aggregates · Struck by falling object

EE WAS WASHING CONVEYOR #2A & BENT OVER A ROCK FELL OFF THE CONVEYOR STRIKING EE'S LEFT SHOULDER. EE IS CONTINUING TO EXPERIENCE NUMBNESS

1999 · 3 incidents

December 21, 1999 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Teichert Aggregates · Over-exertion in lifting objects

EE WAS MOVING CRANE FROM ROCK PLANT TO HOT PLANT. OUTRIGGER PAD FELL OFF. HE STOPPED, PICKED UP PAD AND LIFTED IT BACK ON THE OUTRIGGER.

November 15, 1999 CA · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant HANDLING OF MATERIALS
Teichert Aggregates · Over-exertion (Not Elsewhere Classified)

REMOVING HOSE FROM WATER TANK AT RECYCLE PLANT - TWISTED WRONG - WRENCHED BACK.

July 23, 1999 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Teichert Aggregates · Over-exertion (Not Elsewhere Classified)

SWINGING SLEDGEHAMMER TO DRIVE WEDGE IN AROUND CRUSHER. MISSED TARGET. TWISTED BACK.

1994 · 1 incident

June 21, 1994 CA · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor SLIP OR FALL OF PERSON
Teichert Aggregates · Fall from machine

AFTER INSPECTING THE CABLE SCREEN HE TURNED TO DESCENT LOOKING THROUGH BIFOCAL GLASSES GAVE A FICTI TIOUS LOCATION OF WHERE HE WAS TO STEP THIS CAUSED HIM TO MISS THE STEP & FALL CAUSING HIM TO LAND FEET FIRST ON THE COBBLES & INJURING HIS RT FOOT & HEEL

1993 · 1 incident

January 11, 1993 CA · Metal/Non-Metal outside foreman, leadman POWERED HAULAGE
Teichert Aggregates · Struck against a moving object

INJURED WAS DRIVING DOWN INTO THE PLANT AND A LOADER OPERATOR WAS DRIVING UP. DUE TO THE WHITE-OUT CONDITIONA ND SUN LIGHT THE LOADER OPERATOR, COULD NOT SEE INJURED. THE LOADER HIT INJURED' S VEHICLE ON THE DRIVER'S SIDE, CAUSIGN HIM TO HIT HIS HEAD ON THE STEERING WHEEL. HEW AS KNOCKED OUT FOR A FEW SECONDS AND RECEIVED A CUT ON HIS NOSE. NO MEDICAL TREAMENT WAS NEEDED.

1991 · 1 incident

March 27, 1991 CA · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
Teichert Aggregates · Struck by falling object

WHILE PUTTING THE SHIM ON THE BAR UNDER THE PILLOW BLOCK BEARING, THE BLOCK FELL ON HIS RIGHT HAND INDEX FINGER.

1989 · 1 incident

February 23, 1989 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Teichert Aggregates · Struck by... (Not Elsewhere Classified)

WAS PULLING PVC PIPE OUT OF HOLE AND PIPE SNAPPED AND FLEW UP AND HIT IN CHIN. REQ 5 STICHES.

For insurers, brokers, and safety consultants

The full compliance file on Martis Valley Plant

A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.