Centerton Quarry has $4K in proposed MSHA penalties and $604 outstanding across 1 contested dockets, plus health sampling and the full incident record.
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Fatalities
0
Total incidents
1
Years on record
2015
Latest incident
Nov 2015
Compliance record
MSHA citations since 2018
27
citations
2
significant & substantial
$3,791
proposed penalties
$3,187
paid to date
84% of proposed penalties paid to date, a $604 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2018
17
inspections on record
296
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: 296 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Centerton Quarry has $4K in proposed MSHA penalties and $604 outstanding across 1 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.
$4K
proposed penalties
$4K
current assessed
$3K
paid to date
$604
outstanding
23 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2026-05-20.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
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
7,887
0
0
0.0
2025 Q3
9,463
5
0
528.4
2025 Q2
8,368
0
0
0.0
2025 Q1
8,614
0
0
0.0
2024 Q4
3,668
0
0
0.0
2024 Q3
9,761
0
0
0.0
2024 Q2
10,173
1
0
98.3
2024 Q1
9,309
0
0
0.0
Show 26 earlier quartersHide earlier quarters
Quarter
Hours worked
Citations
S&S
Per 1M hrs
2023 Q4
9,668
1
0
103.4
2023 Q3
10,131
0
0
0.0
2023 Q2
10,035
0
0
0.0
2023 Q1
9,056
0
0
0.0
2022 Q4
8,553
3
0
350.8
2022 Q3
9,420
6
1
636.9
2022 Q2
7,859
0
0
0.0
2022 Q1
5,668
0
0
0.0
2021 Q4
7,016
2
0
285.1
2021 Q3
6,804
0
0
0.0
2021 Q2
6,056
0
0
0.0
2021 Q1
4,467
0
0
0.0
2020 Q4
2,897
1
0
345.2
2020 Q3
2,785
0
0
0.0
2020 Q2
3,155
0
0
0.0
2020 Q1
2,217
2
1
902.1
2019 Q4
2,429
0
0
0.0
2019 Q3
2,472
0
0
0.0
2019 Q2
2,981
0
0
0.0
2019 Q1
1,551
0
0
0.0
2018 Q4
3,772
1
0
265.1
2018 Q3
3,012
0
0
0.0
2018 Q2
3,017
1
0
331.5
2018 Q1
2,134
2
0
937.2
2017 Q4
2,096
0
0
0.0
2017 Q3
311
0
0
0.0
No fatalities recorded at this mine.
Reportable incidents
1 on file
2015 · 1 incident
November 24, 2015AR · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDLING OF MATERIALS
Contractor employee was installing a turbo charger on engine of a 773 Haul truck and while lifting turbo up with left arm, felt a pop in left shoulder and pain in shoulder. The restricted duty will be no overhead use of left arm for 1 week.
For insurers, brokers, and safety consultants
The full compliance file on Centerton Quarry
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.