Mining Incidents

TMC Contractors, Inc. Metal/Non-Metal

Idaho Falls, Bonneville County, ID  ·  Active
MSHA Mine ID: 1002247

TMC Contractors, Inc. has $10K in proposed MSHA penalties and $0 outstanding across 0 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
0
Years on record
Latest incident
Compliance record
MSHA citations since 2015
48
citations
13
significant & substantial
$10,179
proposed penalties
$10,179
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2015
21
inspections on record
254
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: 254 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

TMC Contractors, Inc. has $10K in proposed MSHA penalties and $0 outstanding across 0 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.
$10K
proposed penalties
$10K
current assessed
$10K
paid to date
$0
outstanding
48 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2026-03-31.
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 3,607 0 0 0.0
2025 Q3 3,054 9 5 2947.0
2025 Q2 3,710 0 0 0.0
2025 Q1 1,842 0 0 0.0
2024 Q4 2,956 0 0 0.0
2024 Q3 3,244 5 2 1541.3
2024 Q2 3,140 0 0 0.0
2024 Q1 1,293 0 0 0.0
Show 39 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 2,757 0 0 0.0
2023 Q3 3,321 0 0 0.0
2023 Q2 1,660 0 0 0.0
2023 Q1 638 1 0 1567.4
2022 Q4 748 0 0 0.0
2022 Q3 2,827 4 1 1414.9
2022 Q2 3,660 0 0 0.0
2022 Q1 1,235 0 0 0.0
2021 Q4 2,465 0 0 0.0
2021 Q3 3,823 0 0 0.0
2021 Q2 3,567 0 0 0.0
2021 Q1 1,880 0 0 0.0
2020 Q4 1,188 0 0 0.0
2020 Q3 3,743 4 1 1068.7
2020 Q2 3,687 0 0 0.0
2020 Q1 919 5 2 5440.7
2019 Q4 2,448 0 0 0.0
2019 Q3 4,101 0 0 0.0
2019 Q2 2,759 0 0 0.0
2019 Q1 2,400 0 0 0.0
2018 Q4 3,526 4 0 1134.4
2018 Q3 4,523 0 0 0.0
2018 Q2 3,656 0 0 0.0
2018 Q1 1,161 0 0 0.0
2017 Q4 2,711 4 2 1475.5
2017 Q3 2,216 3 0 1353.8
2017 Q2 2,019 0 0 0.0
2017 Q1 626 0 0 0.0
2016 Q4 1,945 0 0 0.0
2016 Q3 2,519 1 0 397.0
2016 Q2 2,915 0 0 0.0
2016 Q1 414 1 0 2415.5
2015 Q4 2,264 0 0 0.0
2015 Q3 1,989 0 0 0.0
2015 Q2 2,342 3 0 1281.0
2015 Q1 420 0 0 0.0
2014 Q4 354 0 0 0.0
2014 Q3 2,884 0 0 0.0
2014 Q2 2,205 0 0 0.0

No reportable incidents on file.

MSHA has no recorded reportable accidents for this mine in the current dataset. New reports appear here within a week of being filed.

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The full compliance file on TMC Contractors, Inc.

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.