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Portable Dredge Dept 484 Metal/Non-Metal

Controlled by Manaco Corporation
Tama, Tama County, IA  ·  Intermittent
MSHA Mine ID: 1300715

Portable Dredge Dept 484 has $9K in proposed MSHA penalties and $151 outstanding across 1 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
5
Years on record
1986–2021
Latest incident
Sep 2021
Compliance record
MSHA citations since 2000
53
citations
7
significant & substantial
$8,307
proposed penalties
$6,956
paid to date
84% of proposed penalties paid to date, a $1,351 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
47
inspections on record
460
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: 460 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Portable Dredge Dept 484 has $9K in proposed MSHA penalties and $151 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.
$9K
proposed penalties
$7K
current assessed
$7K
paid to date
$151
outstanding
57 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2026-04-22.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
See also the operator's enforcement record
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 2,225 0 0 0.0
2025 Q3 1,915 0 0 0.0
2025 Q2 2,750 0 0 0.0
2025 Q1 706 0 0 0.0
2024 Q4 2,316 0 0 0.0
2024 Q3 2,339 0 0 0.0
2024 Q2 3,118 4 1 1282.9
2024 Q1 870 0 0 0.0
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 2,688 0 0 0.0
2023 Q3 2,688 0 0 0.0
2023 Q2 2,330 0 0 0.0
2023 Q1 203 0 0 0.0
2022 Q4 1,867 2 0 1071.2
2022 Q3 3,065 0 0 0.0
2022 Q2 2,544 0 0 0.0
2022 Q1 766 0 0 0.0
2021 Q4 1,271 0 0 0.0
2021 Q3 2,656 0 0 0.0
2021 Q2 1,887 0 0 0.0
2021 Q1 557 0 0 0.0
2020 Q4 2,005 3 0 1496.3
2020 Q3 2,153 0 0 0.0
2020 Q2 1,961 1 0 509.9
2020 Q1 171 0 0 0.0
2019 Q4 1,329 0 0 0.0
2019 Q3 1,439 0 0 0.0
2019 Q2 1,433 0 0 0.0
2019 Q1 558 0 0 0.0
2018 Q4 1,147 0 0 0.0
2018 Q3 1,474 0 0 0.0
2018 Q2 1,455 0 0 0.0
2018 Q1 371 0 0 0.0
2017 Q4 1,242 2 0 1610.3
2017 Q3 1,358 0 0 0.0
2017 Q2 1,327 2 1 1507.2
2017 Q1 462 1 0 2164.5
2016 Q4 1,152 0 0 0.0
2016 Q3 1,398 0 0 0.0
2016 Q2 1,130 2 0 1769.9
2016 Q1 847 0 0 0.0
2015 Q4 1,325 0 0 0.0
2015 Q3 1,411 0 0 0.0
2015 Q2 1,402 0 0 0.0
2015 Q1 456 0 0 0.0
2014 Q4 1,160 1 0 862.1
2014 Q3 1,435 0 0 0.0
2014 Q2 1,345 0 0 0.0
2014 Q1 557 0 0 0.0
2013 Q4 1,076 0 0 0.0
2013 Q3 1,388 0 0 0.0
2013 Q2 1,668 0 0 0.0
2013 Q1 561 0 0 0.0
2012 Q4 716 2 0 2793.3
2012 Q3 1,330 0 0 0.0
2012 Q2 1,420 0 0 0.0
2012 Q1 57 0 0 0.0
2011 Q4 1,755 0 0 0.0
2011 Q3 3,167 0 0 0.0
2011 Q2 1,376 1 1 726.7
2011 Q1 1,179 1 0 848.2
2010 Q4 1,719 0 0 0.0
2010 Q3 620 0 0 0.0
2010 Q2 1,326 7 0 5279.0
2010 Q1 935 0 0 0.0
2009 Q4 1,324 1 0 755.3
2009 Q3 849 0 0 0.0
2009 Q2 766 0 0 0.0
2009 Q1 16 0 0 0.0
2008 Q4 796 0 0 0.0
2008 Q3 2,289 0 0 0.0
2008 Q2 937 0 0 0.0
2008 Q1 1,660 0 0 0.0
2007 Q4 1,677 6 2 3577.8
2007 Q3 2,676 0 0 0.0
2007 Q2 3,155 0 0 0.0
2007 Q1 910 0 0 0.0
2006 Q4 2,025 0 0 0.0
2006 Q3 3,475 0 0 0.0
2006 Q2 3,800 0 0 0.0
2006 Q1 1,000 0 0 0.0
2005 Q4 2,050 1 0 487.8
2005 Q3 3,100 0 0 0.0
2005 Q2 3,200 2 2 625.0
2005 Q1 1,040 0 0 0.0
2004 Q4 2,090 0 0 0.0
2004 Q3 3,120 0 0 0.0
2004 Q2 3,280 3 0 914.6
2004 Q1 1,000 0 0 0.0
2003 Q4 2,160 0 0 0.0
2003 Q3 3,295 0 0 0.0
2003 Q2 3,060 0 0 0.0
2003 Q1 1,040 0 0 0.0
2002 Q4 2,240 0 0 0.0
2002 Q3 3,060 1 0 326.8
2002 Q2 3,060 2 0 653.6
2002 Q1 1,040 0 0 0.0
2001 Q4 2,005 0 0 0.0
2001 Q3 1,575 0 0 0.0
2001 Q2 3,060 5 0 1634.0
2001 Q1 1,040 0 0 0.0
2000 Q4 2,325 0 0 0.0
2000 Q3 3,060 0 0 0.0
2000 Q2 2,760 2 0 724.6
2000 Q1 654 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

5 on file

2021 · 1 incident

September 22, 2021 IA · Metal/Non-Metal barge/boat/dredge/towbarge/towboat/leach operator, riverman, deck hand HANDLING OF MATERIALS
Wendling Quarries, Inc. · Over-exertion in pulling or pushing objects

PULLING CORD ON OUTBOARD MOTOR TO START IT.

2011 · 1 incident

June 6, 2011 IA · Metal/Non-Metal barge/boat/dredge/towbarge/towboat/leach operator, riverman, deck hand MACHINERY
Manatts Inc. · Struck by... (Not Elsewhere Classified)

Dredge pipeline was plugged, EE turned on the booster pump to clear the line. The EE was standing next to the plastic pipeline when it came apart. The pipeline hit the EE slamming him into the I-Beam on the booster framework. The EE had his leg broken in 3 places and his ankle bone was crushed.

1997 · 1 incident

November 7, 1997 IA · Metal/Non-Metal belt foreman, maintenance foreman, maintenance supervisor HANDTOOLS (NONPOWERED)
Manatts Inc. · Struck by flying object

EE WAS USING AN ANGLE IRON TO BRACE THE PLATE OF STEEL IN THE BOTTOM PAN ON THE SAND SCREEN. HE THEN TOOK A JACK AND BLOCK AND STARTED JACKING. THE ANGL IRON POPPED OFF AND HIT THE EE IN THE M OUTH, CUTTING HIS LIP AND BREAKING HIS FRONT TEETH ON HIS BRIDGE.

1996 · 1 incident

November 15, 1996 IA · Metal/Non-Metal mine manager, mine foreman, mine owner MACHINERY
Manatts Inc. · Struck by... (Not Elsewhere Classified)

EE WAS USING AN AIR WRENCH TO REMOVE A PLOW BOLTFROM THE DREDGE DURING MAINTENANCE. THE BOLT SLIPPED, SPINNING CUTTING EE'S LEFT INDEX FINGER.

1986 · 1 incident

October 14, 1986 IA · Metal/Non-Metal superintendent POWERED HAULAGE
Manatts Inc. · Caught in, under or between running or meshing objects

WHEN CLEANING A9EA AROUND SHAFT, GLOVE CAME IN CONTACT WITH SET SCREW, PULLING HAND INTO ROTATING SHAFT, CAUSING THE ACCIDENT. DAMAGED THE BACK SIDE OF HIS RIGHT HAND.

For insurers, brokers, and safety consultants

The full compliance file on Portable Dredge Dept 484

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.

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