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Cantera Robles Metal/Non-Metal

Ponce, Ponce County, PR  ·  Active
MSHA Mine ID: 5400468

Cantera Robles has $8K in proposed MSHA penalties and $151 outstanding across 0 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
1
Years on record
2024
Latest incident
Dec 2024
Compliance record
MSHA citations since 2007
55
citations
12
significant & substantial
$8,375
proposed penalties
$8,224
paid to date
98% of proposed penalties paid to date, a $151 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2007
94
inspections on record
753
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: 753 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Cantera Robles has $8K in proposed MSHA penalties and $151 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.
$8K
proposed penalties
$8K
current assessed
$8K
paid to date
$151
outstanding
53 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2026-05-11.
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 5,190 4 3 770.7
2025 Q3 4,913 0 0 0.0
2025 Q2 5,383 0 0 0.0
2025 Q1 4,930 0 0 0.0
2024 Q4 4,576 4 1 874.1
2024 Q3 5,040 0 0 0.0
2024 Q2 5,297 2 0 377.6
2024 Q1 4,440 2 0 450.5
Show 65 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 4,173 0 0 0.0
2023 Q3 4,158 0 0 0.0
2023 Q2 4,162 1 1 240.3
2023 Q1 3,720 3 1 806.5
2022 Q4 3,727 0 0 0.0
2022 Q3 2,359 0 0 0.0
2022 Q2 2,385 0 0 0.0
2022 Q1 2,798 1 0 357.4
2021 Q4 2,923 0 0 0.0
2021 Q3 3,006 0 0 0.0
2021 Q2 2,955 1 0 338.4
2021 Q1 2,862 0 0 0.0
2020 Q4 2,072 2 1 965.3
2020 Q3 2,105 0 0 0.0
2020 Q2 1,085 1 0 921.7
2020 Q1 1,321 0 0 0.0
2019 Q4 1,590 3 0 1886.8
2019 Q3 1,490 0 0 0.0
2019 Q2 1,253 0 0 0.0
2019 Q1 1,419 0 0 0.0
2018 Q4 1,344 1 0 744.0
2018 Q3 1,166 0 0 0.0
2018 Q2 1,124 1 0 889.7
2018 Q1 1,185 0 0 0.0
2017 Q4 1,420 0 0 0.0
2017 Q3 1,476 0 0 0.0
2017 Q2 1,696 1 0 589.6
2017 Q1 1,397 0 0 0.0
2016 Q4 1,771 0 0 0.0
2016 Q3 1,556 0 0 0.0
2016 Q2 1,645 0 0 0.0
2016 Q1 1,131 0 0 0.0
2015 Q4 734 0 0 0.0
2015 Q3 1,336 0 0 0.0
2015 Q2 1,932 0 0 0.0
2015 Q1 2,330 0 0 0.0
2014 Q4 1,845 1 1 542.0
2014 Q3 2,027 0 0 0.0
2014 Q2 1,988 1 0 503.0
2014 Q1 1,724 2 0 1160.1
2013 Q4 1,919 0 0 0.0
2013 Q3 2,283 0 0 0.0
2013 Q2 3,079 0 0 0.0
2013 Q1 3,347 0 0 0.0
2012 Q4 4,503 1 0 222.1
2012 Q3 3,472 0 0 0.0
2012 Q2 3,419 2 0 585.0
2012 Q1 2,917 0 0 0.0
2011 Q4 2,926 0 0 0.0
2011 Q3 2,542 0 0 0.0
2011 Q2 2,975 0 0 0.0
2011 Q1 2,425 3 0 1237.1
2010 Q4 2,194 0 0 0.0
2010 Q3 2,246 0 0 0.0
2010 Q2 1,866 1 0 535.9
2010 Q1 1,496 1 0 668.4
2009 Q4 730 0 0 0.0
2009 Q3 1,151 0 0 0.0
2009 Q2 2,167 3 1 1384.4
2009 Q1 1,243 4 0 3218.0
2008 Q4 1,145 0 0 0.0
2008 Q3 1,812 0 0 0.0
2008 Q2 2,520 6 2 2381.0
2008 Q1 1,698 0 0 0.0
2007 Q4 2,209 2 1 905.4
No fatalities recorded at this mine.

Reportable incidents

1 on file

2024 · 1 incident

December 2, 2024 PR · Metal/Non-Metal crusher attendant/operator, pan feeder operator/worker MACHINERY
Cantera Robles, Inc. · Caught in, under or between a moving and a stationary object

AFTER REPLACING THE BARS (BLOW BAR) OF THE IMPACT MILL AND AT THE TIME THE MINER CLOSE THE DOOR, THEY TRY TO VERIFY IF THE AXIS OF THE BARS ROTATE WHEN DOING THIS ACTION ONE OF THE BARS IMPACTED IT.

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The full compliance file on Cantera Robles

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.

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