Mining Incidents

Mine No. 1 Coal

Onyx Energy, LLC · Surface
Controlled by John Stone
Montcalm, Mercer County, WV  ·  Active
MSHA Mine ID: 4609311

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Fatalities
0
Total incidents
8
Years on record
2015–2023
Latest incident
Aug 2023
Compliance record
MSHA citations since 2009
169
citations
45
significant & substantial
$126,402
proposed penalties
$47,040
paid to date
Source: MSHA violations data, updated weekly.
Quarterly safety rates
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2025 Q4 25,328 10 2 394.8
2025 Q3 9,552 3 0 314.1
2025 Q2 8,642 2 1 231.4
2024 Q4 3,162 2 0 632.5
2024 Q3 7,370 0 0 0.0
2023 Q4 24,929 0 0 0.0
2023 Q3 20,674 0 0 0.0
2022 Q4 22,921 7 1 305.4
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

8 on file

2023 · 1 incident

August 21, 2023 WV · Coal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Onyx Energy, LLC · Caught in, under or between a moving and a stationary object

Employee stated hand slipped on access ladder on rear of water truck and EE's wedding ring got caught and cut EE's finger.

2021 · 1 incident

January 18, 2021 WV · Coal blaster, shooter, shotfirer, explosive worker, powder gang/monkey SLIP OR FALL OF PERSON
Onyx Energy, LLC · Over-exertion (Not Elsewhere Classified)

Stepped on a piece of drill steel that was buried in the snow, twisted right ankle.

2018 · 1 incident

February 21, 2018 WV · Coal drill operator HANDLING OF MATERIALS
Onyx Energy, LLC · Over-exertion in lifting objects

Employee was lifting on "Leveling Jack Pad" when employee felt something pull in shoulder

2017 · 1 incident

November 24, 2017 WV · Coal superintendent MACHINERY
Onyx Energy, LLC · Struck by flying object

Employee was using an impact wrench to remove a bolt from belt skirting when the socket broke. A small piece of metal flew back striking employee on cheek and then metal went under the safety glasses and penetrated employee's eyelid.

2016 · 3 incidents

December 29, 2016 WV · Coal drill operator HANDLING OF MATERIALS
Onyx Energy, LLC · Over-exertion in lifting objects

While employee was picking up a deck wrench, they felt a pain in the stomach.

August 5, 2016 WV · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Onyx Energy, LLC · Struck by... (Not Elsewhere Classified)

Cutting rope with pocket knife. Cut left forearm.

March 8, 2016 WV · Coal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Onyx Energy, LLC · Struck by falling object

A timber cutter for Virco Inc. was cutting a tree on a mine site located in Mercer County WV. As EE was cutting the tree there was another tree lodged up against the tree that EE was cutting. When the tree fell it pulled the other tree down hitting the timber cutter in the back. (broken arm)(broken shoulder)(broken ribs)(cut on hand).

2015 · 1 incident

May 28, 2015 WV · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Onyx Energy, LLC · Struck by... (Not Elsewhere Classified)

Replacing control valve on D11. Used swivel socket to take out bottom bolts. Had socket on impact. Safety ring came off the socket and the pin came out cutting his left hand through his safety glove.