Mining Incidents

Prewitt Metal/Non-Metal

DC Aggregate LLC · Surface
Sidney, Richland County, MT  ·  Intermittent
MSHA Mine ID: 2402750

Prewitt 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 2020
39
citations
8
significant & substantial
$10,357
proposed penalties
$10,357
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2020
13
inspections on record
203
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: 203 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Prewitt 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
39 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-12-10.
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 5,314 1 0 188.2
2025 Q3 5,045 0 0 0.0
2025 Q2 4,126 4 1 969.5
2025 Q1 8,293 0 0 0.0
2024 Q4 5,353 4 1 747.2
2024 Q3 3,960 0 0 0.0
2024 Q2 3,525 0 0 0.0
2024 Q1 3,421 0 0 0.0
Show 16 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 3,136 8 2 2551.0
2023 Q3 2,865 0 0 0.0
2023 Q2 1,405 0 0 0.0
2023 Q1 1,897 17 2 8961.5
2022 Q4 1,201 0 0 0.0
2022 Q3 1,791 0 0 0.0
2022 Q2 586 0 0 0.0
2022 Q1 0 0 0
2021 Q4 468 1 0 2136.8
2021 Q3 919 0 0 0.0
2021 Q2 0 0 0
2021 Q1 0 0 0
2020 Q4 0 0 0
2020 Q3 0 0 0
2020 Q2 0 0 0
2020 Q1 890 4 2 4494.4

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.

For insurers, brokers, and safety consultants

The full compliance file on Prewitt

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.