Employee was working around a hopper bin with safety harness on. Employee removed safety harness lanyard from point contact, slipped and fell causing injury from fall.
South Lake Stone Metal/Non-Metal
Singleton Stone, LLC
· Surface
Controlled by
RR Holdco, Inc.
Hebron,
Lake County,
IN
·
Active
MSHA Mine ID: 1202467
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- Fatalities
- 0
- Total incidents
- 4
- Years on record
- 2017–2023
- Latest incident
- Sep 2023
Compliance record
MSHA citations since 2015
58
citations
17
significant & substantial
$9,996
proposed penalties
$9,996
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 | 16,785 | 0 | 0 | 0.0 |
| 2025 Q3 | 16,499 | 1 | 0 | 60.6 |
| 2025 Q2 | 12,858 | 0 | 0 | 0.0 |
| 2025 Q1 | 10,724 | 4 | 2 | 373.0 |
| 2024 Q4 | 10,756 | 0 | 0 | 0.0 |
| 2024 Q3 | 13,922 | 0 | 0 | 0.0 |
| 2024 Q2 | 14,150 | 3 | 0 | 212.0 |
| 2024 Q1 | 9,609 | 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
4 on file2023 · 1 incident
September 16, 2023
IN · Metal/Non-Metal
bulldozer operator, universal operator, heavy equipment operator, operating engineer
SLIP OR FALL OF PERSON
Singleton Stone, LLC · Fall from machine
2022 · 1 incident
Singleton Stone, LLC · Struck by... (Not Elsewhere Classified)
Employee was trying to cut a piece of belting. While cutting toward themselves with a utility knife, knife slipped while cutting and struck the employee in the left upper thigh. Employee received stitches.
2017 · 2 incidents
July 17, 2017
IN · Metal/Non-Metal
laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman
POWERED HAULAGE
Singleton Stone, LLC · Struck by falling object
EE was at the 300 cone feeder unclogging the cone crusher when a rock fell off the conveyor and hit EE's left middle finger
May 27, 2017
IN · Metal/Non-Metal
bulldozer operator, universal operator, heavy equipment operator, operating engineer
HANDLING OF MATERIALS
Singleton Stone, LLC · Over-exertion in lifting objects
While shoveling natural sand at the dozer trap, worker stood up and heard a pop in the knee.