Thunder Stone Quarry LLC Metal/Non-Metal
Thunder Stone Quarry LLC
· Surface
Controlled by
Stonehenge Quarry LLC
Carlsbad,
Eddy County,
NM
·
Active
MSHA Mine ID: 2902537
Thunder Stone Quarry LLC has $18K 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 2023
59
citations
7
significant & substantial
$17,860
proposed penalties
$17,860
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2022
14
inspections on record
189
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: 189 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Thunder Stone Quarry LLC has $18K 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.$18K
proposed penalties
$18K
current assessed
$18K
paid to date
$0
outstanding
58 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2026-03-11.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
See also
the operator's enforcement record
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 | 7,715 | 0 | 0 | 0.0 |
| 2025 Q3 | 8,287 | 5 | 1 | 603.4 |
| 2025 Q2 | 7,889 | 0 | 0 | 0.0 |
| 2025 Q1 | 7,352 | 14 | 1 | 1904.2 |
| 2024 Q4 | 7,462 | 0 | 0 | 0.0 |
| 2024 Q3 | 7,056 | 8 | 0 | 1133.8 |
| 2024 Q2 | 8,542 | 0 | 0 | 0.0 |
| 2024 Q1 | 7,216 | 17 | 2 | 2355.9 |
Show 4 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 6,705 | 0 | 0 | 0.0 |
| 2023 Q3 | 6,344 | 3 | 1 | 472.9 |
| 2023 Q2 | 5,084 | 0 | 0 | 0.0 |
| 2023 Q1 | 370 | 0 | 0 | 0.0 |
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.
For insurers, brokers, and safety consultants
The full compliance file on Thunder Stone Quarry LLC
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.