Mining Incidents

PIONEER TRAILS PIT #565 Metal/Non-Metal

Rock Springs, Sweetwater County, WY  ·  Intermittent
MSHA Mine ID: 4801440

PIONEER TRAILS PIT #565 has $9K 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
1
Years on record
2024
Latest incident
Apr 2024
Compliance record
MSHA citations since 2000
56
citations
9
significant & substantial
$8,610
proposed penalties
$8,497
paid to date
99% of proposed penalties paid to date, a $113 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
63
inspections on record
521
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: 521 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

PIONEER TRAILS PIT #565 has $9K 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.
$9K
proposed penalties
$8K
current assessed
$8K
paid to date
$0
outstanding
56 assessments are final orders; 2 contested dockets.
As of the most recent assessment on 2025-12-08.
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 2,055 1 0 486.6
2025 Q3 3,719 0 0 0.0
2025 Q2 3,187 2 0 627.5
2025 Q1 843 1 0 1186.2
2024 Q4 1,656 0 0 0.0
2024 Q3 2,247 5 0 2225.2
2024 Q2 2,005 0 0 0.0
2024 Q1 1,025 0 0 0.0
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 1,071 5 1 4668.5
2023 Q3 2,295 0 0 0.0
2023 Q2 2,379 0 0 0.0
2023 Q1 1,084 0 0 0.0
2022 Q4 2,178 0 0 0.0
2022 Q3 3,021 0 0 0.0
2022 Q2 3,886 3 1 772.0
2022 Q1 761 0 0 0.0
2021 Q4 2,393 4 1 1671.5
2021 Q3 3,382 6 1 1774.1
2021 Q2 2,715 0 0 0.0
2021 Q1 1,434 1 0 697.4
2020 Q4 1,836 0 0 0.0
2020 Q3 2,401 0 0 0.0
2020 Q2 3,735 1 0 267.7
2020 Q1 1,197 0 0 0.0
2019 Q4 1,156 3 0 2595.2
2019 Q3 2,173 1 0 460.2
2019 Q2 1,193 0 0 0.0
2019 Q1 566 0 0 0.0
2018 Q4 910 0 0 0.0
2018 Q3 951 2 0 2103.0
2018 Q2 346 0 0 0.0
2018 Q1 623 0 0 0.0
2017 Q4 1,087 0 0 0.0
2017 Q3 1,312 0 0 0.0
2017 Q2 1,392 1 1 718.4
2017 Q1 806 0 0 0.0
2016 Q4 1,354 2 1 1477.1
2016 Q3 1,522 0 0 0.0
2016 Q2 1,528 0 0 0.0
2016 Q1 959 0 0 0.0
2015 Q4 1,124 0 0 0.0
2015 Q3 1,739 2 0 1150.1
2015 Q2 1,179 0 0 0.0
2015 Q1 740 0 0 0.0
2014 Q4 910 0 0 0.0
2014 Q3 1,107 1 0 903.3
2014 Q2 1,129 0 0 0.0
2014 Q1 752 0 0 0.0
2013 Q4 754 0 0 0.0
2013 Q3 1,107 0 0 0.0
2013 Q2 1,068 2 0 1872.7
2013 Q1 780 0 0 0.0
2012 Q4 818 0 0 0.0
2012 Q3 1,131 1 0 884.2
2012 Q2 1,126 0 0 0.0
2012 Q1 334 0 0 0.0
2011 Q4 727 2 2 2751.0
2011 Q3 1,303 0 0 0.0
2011 Q2 496 1 0 2016.1
2011 Q1 489 0 0 0.0
2010 Q4 240 0 0 0.0
2010 Q3 647 1 1 1545.6
2010 Q2 562 0 0 0.0
2010 Q1 531 0 0 0.0
2009 Q4 1,050 0 0 0.0
2009 Q3 1,791 0 0 0.0
2009 Q2 1,568 0 0 0.0
2009 Q1 1,161 0 0 0.0
2008 Q4 1,333 1 0 750.2
2008 Q3 1,943 0 0 0.0
2008 Q2 1,410 0 0 0.0
2008 Q1 551 0 0 0.0
2007 Q4 1,155 0 0 0.0
2007 Q3 1,223 0 0 0.0
2007 Q2 1,505 0 0 0.0
2007 Q1 1,264 0 0 0.0
2006 Q4 1,490 0 0 0.0
2006 Q3 1,508 0 0 0.0
2006 Q2 1,278 0 0 0.0
2006 Q1 1,194 0 0 0.0
2005 Q4 1,123 0 0 0.0
2005 Q3 1,483 0 0 0.0
2005 Q2 1,429 0 0 0.0
2005 Q1 1,229 0 0 0.0
2004 Q4 1,217 0 0 0.0
2004 Q3 1,309 0 0 0.0
2004 Q2 1,145 2 0 1746.7
2004 Q1 529 0 0 0.0
2003 Q4 571 1 0 1751.3
2003 Q3 1,079 0 0 0.0
2003 Q2 1,255 2 0 1593.6
2003 Q1 110 1 0 9090.9
2002 Q4 0 0 0
2002 Q3 865 0 0 0.0
2002 Q2 585 0 0 0.0
2002 Q1 1,078 0 0 0.0
2001 Q4 0 0 0
2001 Q3 1,204 0 0 0.0
2001 Q2 270 0 0 0.0
2001 Q1 0 0 0
2000 Q4 0 0 0
2000 Q3 1,052 1 0 950.6
2000 Q2 706 0 0 0.0
2000 Q1 0 0 0
No fatalities recorded at this mine.

Reportable incidents

1 on file

2024 · 1 incident

April 3, 2024 WY · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
Suncore Construction and Materials Inc. · Flash burns (welding)

Employee was doing patch welds on hopper, next morning (4/4/24) reported EE had received arc flash to both eyes.

For insurers, brokers, and safety consultants

The full compliance file on PIONEER TRAILS PIT #565

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.