Mining Incidents

Alden Portable Plant #2 Metal/Non-Metal

Alden, Hardin County, IA  ·  Active
MSHA Mine ID: 1302033

Alden Portable Plant #2 has $11K in proposed MSHA penalties and $0 outstanding across 2 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
13
Years on record
1986–2022
Latest incident
Mar 2022
Compliance record
MSHA citations since 2001
78
citations
8
significant & substantial
$11,339
proposed penalties
$10,908
paid to date
96% of proposed penalties paid to date, a $431 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
57
inspections on record
640
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: 640 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Alden Portable Plant #2 has $11K in proposed MSHA penalties and $0 outstanding across 2 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.
$11K
proposed penalties
$11K
current assessed
$11K
paid to date
$0
outstanding
76 assessments are final orders; 2 contested dockets.
As of the most recent assessment on 2026-04-07.
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 4,580 0 0 0.0
2025 Q3 5,141 0 0 0.0
2025 Q2 6,013 0 0 0.0
2025 Q1 4,823 0 0 0.0
2024 Q4 5,803 0 0 0.0
2024 Q3 6,404 0 0 0.0
2024 Q2 6,724 0 0 0.0
2024 Q1 4,030 1 0 248.1
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 5,973 0 0 0.0
2023 Q3 7,457 0 0 0.0
2023 Q2 7,140 0 0 0.0
2023 Q1 6,688 1 0 149.5
2022 Q4 8,273 0 0 0.0
2022 Q3 10,035 0 0 0.0
2022 Q2 11,047 0 0 0.0
2022 Q1 6,708 0 0 0.0
2021 Q4 8,004 4 0 499.8
2021 Q3 7,789 0 0 0.0
2021 Q2 8,727 0 0 0.0
2021 Q1 6,410 1 0 156.0
2020 Q4 7,779 0 0 0.0
2020 Q3 7,904 0 0 0.0
2020 Q2 10,661 0 0 0.0
2020 Q1 7,676 0 0 0.0
2019 Q4 7,952 1 0 125.8
2019 Q3 8,457 0 0 0.0
2019 Q2 9,413 0 0 0.0
2019 Q1 9,470 1 0 105.6
2018 Q4 9,352 0 0 0.0
2018 Q3 8,219 1 0 121.7
2018 Q2 9,471 0 0 0.0
2018 Q1 7,430 1 0 134.6
2017 Q4 6,620 0 0 0.0
2017 Q3 8,834 4 0 452.8
2017 Q2 8,884 0 0 0.0
2017 Q1 4,427 1 0 225.9
2016 Q4 8,474 0 0 0.0
2016 Q3 11,132 0 0 0.0
2016 Q2 12,063 0 0 0.0
2016 Q1 8,524 0 0 0.0
2015 Q4 5,453 3 0 550.2
2015 Q3 7,637 2 0 261.9
2015 Q2 8,128 0 0 0.0
2015 Q1 5,385 3 0 557.1
2014 Q4 6,437 0 0 0.0
2014 Q3 7,258 0 0 0.0
2014 Q2 6,286 0 0 0.0
2014 Q1 4,330 4 1 923.8
2013 Q4 5,369 0 0 0.0
2013 Q3 5,889 0 0 0.0
2013 Q2 5,874 3 1 510.7
2013 Q1 6,932 5 2 721.3
2012 Q4 4,817 0 0 0.0
2012 Q3 5,900 0 0 0.0
2012 Q2 4,865 0 0 0.0
2012 Q1 5,363 2 0 372.9
2011 Q4 6,444 4 2 620.7
2011 Q3 9,685 0 0 0.0
2011 Q2 6,552 0 0 0.0
2011 Q1 4,626 3 1 648.5
2010 Q4 6,199 0 0 0.0
2010 Q3 6,970 0 0 0.0
2010 Q2 8,898 0 0 0.0
2010 Q1 4,455 2 0 448.9
2009 Q4 6,355 0 0 0.0
2009 Q3 7,079 0 0 0.0
2009 Q2 6,449 0 0 0.0
2009 Q1 4,694 7 0 1491.3
2008 Q4 5,217 0 0 0.0
2008 Q3 6,366 0 0 0.0
2008 Q2 6,198 0 0 0.0
2008 Q1 5,625 5 0 888.9
2007 Q4 5,686 0 0 0.0
2007 Q3 5,398 0 0 0.0
2007 Q2 6,494 0 0 0.0
2007 Q1 4,542 0 0 0.0
2006 Q4 5,837 0 0 0.0
2006 Q3 6,255 0 0 0.0
2006 Q2 6,192 0 0 0.0
2006 Q1 4,983 0 0 0.0
2005 Q4 5,821 0 0 0.0
2005 Q3 6,213 0 0 0.0
2005 Q2 6,079 0 0 0.0
2005 Q1 4,851 1 0 206.1
2004 Q4 5,679 0 0 0.0
2004 Q3 5,339 0 0 0.0
2004 Q2 5,496 0 0 0.0
2004 Q1 971 0 0 0.0
2003 Q4 3,341 4 0 1197.2
2003 Q3 3,444 0 0 0.0
2003 Q2 5,218 0 0 0.0
2003 Q1 3,213 3 0 933.7
2002 Q4 5,001 0 0 0.0
2002 Q3 5,831 0 0 0.0
2002 Q2 5,562 0 0 0.0
2002 Q1 5,029 0 0 0.0
2001 Q4 4,501 2 0 444.3
2001 Q3 5,110 0 0 0.0
2001 Q2 5,839 6 1 1027.6
2001 Q1 2,994 0 0 0.0
2000 Q4 3,115 0 0 0.0
2000 Q3 4,478 0 0 0.0
2000 Q2 5,314 0 0 0.0
2000 Q1 3,509 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

13 on file

2022 · 1 incident

March 14, 2022 IA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Martin Marietta Materials Inc · Struck against stationary object

Employee contacted neck with adjusting bolt on mounting plate while placing a motor on a motor mount. Employee received two stitches.

2020 · 1 incident

April 1, 2020 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Martin Marietta Materials Inc · Over-exertion in lifting objects

EE bent down to lift up on one end of a wooden pallet to slide it under some electrical cords. Just as the EE lifted one end of the pallet off the ground, EE felt a pulling/snapping sensation in the upper left arm that caused EE severe pain. EE was forced to stop the task and ask for assistance. Conditions at the time were dry, sunny, and cool.

2016 · 1 incident

March 26, 2016 IA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Martin Marietta Materials Inc · Struck by... (Not Elsewhere Classified)

Employee was cutting dielectric matting with a utility knife. The knife slipped and cut EE's wrist right above EE's glove requiring stitches.

2014 · 1 incident

May 15, 2014 IA · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor STRIKING OR BUMPING
Martin Marietta Materials Inc · Struck against stationary object

Employee was ducking under a conveyor to walk from one side to the other. He came up short of the clearance and hit his right ear on a crossbar causing a laceration to his ear requiring stitches.

2002 · 1 incident

July 31, 2002 IA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Martin Marietta Aggregates · Struck against a moving object

EE HAD REMOVED AIR CONDITIONING FAN UNIT TO REPLACE A WIRE TO THE FAN SWITCH. AFTER THE WIRE WAS FIXED THE EE PUT HIS HAND UP BY FAN TO SEE IF IT WAS RUNNING. IT WAS! EE CUT THE TIP OF HIS LT. MIDDLE FINGER REQUIRING 6 STITCHES TO CLOSE.

2000 · 3 incidents

August 11, 2000 IA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Martin Marietta Aggregates · Caught in, under or between (Not Elsewhere Classified)

EMPLOYEE WAS PULLING A COUNTER WEIGHT OFF OF A GEAR. WHEN THE COUNTERWEIGHT SLID FREE, IT WAS TOO HEAVY FOR THE EMPLOYEE. HE DROPPED THE COUNTERWEIGHT AND CAUGHT HIS HAND BETWEEN THE COUNTER WEIGHT AND CATWALK AROUND A SCREEN BOX. DESPITE THE WEARING OF GLOVES, THIS EMPLOYEE RECEIVED A LACERATION REQUIRING STITCHES ON HIS LEFT HAND.

March 14, 2000 IA · Metal/Non-Metal weighman, scale person HANDLING OF MATERIALS
Martin Marietta Aggregates · Struck against stationary object

EE WAS REACHING INTO A CUPBOARD UNDERNEATH A STOVE TO RETRIEVE SOME PAPERWORK. SHE CUT HER RIGHTINDEX FINGER ON THE 2ND JOINT & RECD STITCHES TO CLOSE THE WOUND. SHE WAS CUT BY A SHARP STEEL PLATE FROM THE STOVE TOP

February 21, 2000 IA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Martin Marietta Aggregates · Caught in, under or between a moving and a stationary object

EE WAS CHANGING BELTS ON SECONDARY CRUSHER. BEARING SPACER BLOCK WAS BEING PUT IN PLACE WHEN IT SLIPPED OUT OF EE S HAND AND PINCHED THE TIP OF HIS FINGER BETWEEN BLOCK AND FRAME. ALTHROUGHT E E WAS WEARING GLOVES THE RESULTING LACERATION CAUSED THE NEED FOR 3 STITCHES TO CLOSE THE WOUND.

1990 · 2 incidents

September 11, 1990 IA · Metal/Non-Metal coal/ore shovel operator, shoveler, power shoveler POWERED HAULAGE
Martin Marietta Aggregates · Caught in, under or between (Not Elsewhere Classified)

EMPLOYEE TRIED TO START A SLIPPING U-BELT FROM SLIPPING. HE GRABBED IT AND GOT HIS FINGER BETWEEN U-BELT AND DRIVE PULLEY REQUIRING 7 STITCHES.

August 10, 1990 IA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Martin Marietta Aggregates · Fall onto or against objects

EE WAS ATTEMPTING TO MOVE A ROCK THAT WAS STUCK IN IMPACTOR. HE SLIPPED AND HIT HIS FACE ON ANOTER ROCK SUFFERING A CHIPPING TOOTH.

1989 · 1 incident

1986 · 2 incidents

June 11, 1986 IA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Martin Marietta Aggregates · Struck by falling object

WHILE SCALING C9ILING AT THE MINE,A ROCK BEING SCALED FELL INTO BACKET BRUISING HIS LEFT HIP. HIP X-RAYED AND RETURNED TO WORK.

May 27, 1986 IA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator STRIKING OR BUMPING
Martin Marietta Aggregates · Struck against stationary object

WHILE PERFORMIN1 NIGHT MAINTENANCE INJURED WALKED INTO A CONVEYOR AND HIT FOREHEAD DID NOT REPORT INJURY UNTIL 5/30/86.

For insurers, brokers, and safety consultants

The full compliance file on Alden Portable Plant #2

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.