Mining Incidents

OAK HILL MINE Metal/Non-Metal

NYCO MINERALS LLC · Surface
Controlled by Imerys S A
Lewis, Essex County, NY  ·  Intermittent
MSHA Mine ID: 3003338

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Fatalities
0
Total incidents
5
Years on record
2009–2021
Latest incident
Sep 2021
Compliance record
MSHA citations since 2006
35
citations
7
significant & substantial
$5,344
proposed penalties
$5,344
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 1,854 0 0 0.0
2025 Q3 707 0 0 0.0
2025 Q2 2,855 0 0 0.0
2025 Q1 2,107 0 0 0.0
2024 Q4 212 0 0 0.0
2024 Q3 1,487 0 0 0.0
2024 Q2 2,199 0 0 0.0
2023 Q3 2,745 0 0 0.0
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

5 on file

2021 · 1 incident

September 29, 2021 NY · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant MACHINERY
NYCO Minerals LLC · Caught in, under or between running or meshing objects

Temporary employee got hand in-between the rollers on a roller mill and injured hand.

2019 · 1 incident

August 24, 2019 NY · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
NYCO Minerals LLC · Struck against a moving object

The drivers were told by the site foreman to dump anywhere deemed safe. When the driver went for the first dump, EE backed against berm and attempted to dump. It was slightly uneven ground and the dump gate locked so they tipped over. Had to be helped through windshield. Dump truck had to be towed away. Ambulance was called. EE sustained cut on head and bruised arm.

2018 · 1 incident

April 5, 2018 NY · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
NYCO Minerals LLC · Caught in, under or between a moving and a stationary object

Trying to close trailer gate - hinge portion would not close - pinched finger in gate.

2016 · 1 incident

July 15, 2016 NY · Metal/Non-Metal assayer, geologist, metallurgist, engineer, engineer management SLIP OR FALL OF PERSON
NYCO Minerals LLC · Fall to the walkway or working surface

EE conducting sampling in pit at Oak Hill Mine (uneven work surface with loose material), slipped rolled right ankle & fell on lft hip. Appears to be a hematoma to lft hip on 7/21/16 received diagnosis of hairline fracture to rgt. ankle.

2009 · 1 incident

May 11, 2009 NY · Metal/Non-Metal rotary bucket excavator operator SLIP OR FALL OF PERSON
NYCO Minerals LLC · Fall from machine

While dismounting excavator employee slipped on track and fell hitting right hip on track of excavator then landed on ground hitting left hip.