Saturn Surface Mine Coal

Onyx Energy, LLC · Surface

Controlled by John Stone

Matoka, Mercer County, WV · Active

MSHA Mine ID: 4609568

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Compliance record

MSHA citations since 2021

citations

significant & substantial

$40,851

proposed penalties

$10,915

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	3,098	0	0	0.0
2025 Q3	6,174	4	2	647.9
2025 Q2	33,156	0	0	0.0
2025 Q1	36,801	9	5	244.6
2024 Q3	33,270	1	0	30.1
2024 Q2	25,377	3	0	118.2
2024 Q1	25,912	8	2	308.7
2023 Q4	24,397	4	1	164.0

Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.

No fatalities recorded at this mine.

1 on file

December 30, 2025 WV · Coal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS

Stacy Equipment and Repairs, Incorporated · Over-exertion (Not Elsewhere Classified)

Stemming for a shot, ground was frozen, shoveling was tough, hit something solid and the impact jolted right wrist - filled statement out on 1/8/26