Mining Incidents

Flint Hill Mine Coal

Mariah Hill, Spencer County, IN  ·  NonProducing
MSHA Mine ID: 1202497

Flint Hill Mine has $2K 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
9
citations
2
significant & substantial
$1,608
proposed penalties
$1,608
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
19
inspections on record
464
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: 464 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Flint Hill Mine has $2K 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.
$2K
proposed penalties
$2K
current assessed
$2K
paid to date
$0
outstanding
9 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2026-04-06.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.

MSHA sampling at Flint Hill Mine shows respirable coal dust averaging 0.17 mg/m3 (100% compliant) across 67 samples.

Health sampling
A sample is a point in time compliance measurement, not an individual exposure history. These figures describe MSHA sampling records and do not establish causation or personal dose.
Respirable coal dust
Respirable coal dust and silica figures cover coal facilities. Dust compliance is measured against the current 1.5 mg/m3 standard; samples predating the 2014 standard are included, so compliance rates are a coarse historical signal.
0.17
dust avg (mg/m3)
1.45
dust max (mg/m3)
100%
within 1.5 mg/m3
67
samples
Most recent sample: 2024-12-30.
Silica (quartz)
7.0
silica avg (%)
10.7
silica max (%)
10
samples
Most recent sample: 2024-04-09.
Noise
10%
over PEL
20
samples
Most recent sample: 2023-12-13.
Source: MSHA respirable dust, quartz, and noise sampling records, 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 293 1 0 3413.0
2025 Q3 285 0 0 0.0
2025 Q2 32 0 0 0.0
2025 Q1 0 0 0
2024 Q4 818 0 0 0.0
2024 Q3 591 0 0 0.0
2024 Q2 9,536 1 1 104.9
2024 Q1 15,281 0 0 0.0
Show 11 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 17,353 1 0 57.6
2023 Q3 15,413 1 0 64.9
2023 Q2 16,990 0 0 0.0
2023 Q1 15,202 1 0 65.8
2022 Q4 17,218 0 0 0.0
2022 Q3 10,688 1 1 93.6
2022 Q2 4,275 0 0 0.0
2020 Q4 0 0 0
2020 Q3 0 0 0
2020 Q2 0 0 0
2020 Q1 2,494 1 0 401.0

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 Flint Hill Mine

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.