Mining Incidents

Cantera Puerto Ven Metal/Non-Metal

Ponce, Ponce County, PR  ·  Active
MSHA Mine ID: 5400455

Cantera Puerto Ven has $88K in proposed MSHA penalties and $48K 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 2004
169
citations
51
significant & substantial
$88,454
proposed penalties
$40,785
paid to date
46% of proposed penalties paid to date, a $47,669 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2004
150
inspections on record
1,098
inspection hours
15.4
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.
169 citations across 1,098 inspection hours.
Source: MSHA inspections data, updated weekly.

Cantera Puerto Ven has $88K in proposed MSHA penalties and $48K 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.
$88K
proposed penalties
$88K
current assessed
$41K
paid to date
$48K
outstanding
165 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2026-02-03.
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 1,800 0 0 0.0
2025 Q3 1,800 2 0 1111.1
2025 Q2 1,800 0 0 0.0
2025 Q1 2,241 2 0 892.5
2024 Q4 3,562 0 0 0.0
2024 Q3 2,669 4 2 1498.7
2024 Q1 1,662 2 0 1203.4
2023 Q4 1,662 0 0 0.0
Show 52 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q3 1,422 6 0 4219.4
2023 Q2 1,772 1 0 564.3
2023 Q1 1,802 4 0 2219.8
2022 Q4 1,802 0 0 0.0
2022 Q3 1,802 2 0 1109.9
2022 Q2 1,787 0 0 0.0
2022 Q1 1,802 3 0 1664.8
2021 Q4 1,869 0 0 0.0
2021 Q3 1,839 0 0 0.0
2021 Q2 1,321 11 3 8327.0
2021 Q1 1,940 0 0 0.0
2020 Q4 1,749 4 1 2287.0
2020 Q3 1,800 2 1 1111.1
2020 Q2 1,642 0 0 0.0
2020 Q1 1,466 2 0 1364.3
2019 Q4 1,280 0 0 0.0
2019 Q3 1,279 14 1 10946.1
2019 Q2 1,279 0 0 0.0
2019 Q1 1,222 6 1 4910.0
2018 Q4 1,222 0 0 0.0
2018 Q3 1,265 0 0 0.0
2018 Q2 1,488 12 2 8064.5
2018 Q1 1,377 0 0 0.0
2017 Q4 924 8 3 8658.0
2017 Q3 0 0 0
2017 Q2 200 1 1 5000.0
2017 Q1 536 0 0 0.0
2016 Q4 576 0 0 0.0
2016 Q3 246 0 0 0.0
2016 Q2 240 0 0 0.0
2016 Q1 720 2 1 2777.8
2010 Q1 2,184 6 2 2747.3
2009 Q4 5,040 0 0 0.0
2009 Q3 6,760 0 0 0.0
2009 Q2 7,644 4 1 523.3
2009 Q1 7,080 2 0 282.5
2008 Q4 7,492 0 0 0.0
2008 Q3 7,800 17 5 2179.5
2008 Q2 6,300 0 0 0.0
2008 Q1 4,890 8 3 1636.0
2007 Q4 3,980 0 0 0.0
2007 Q3 4,280 0 0 0.0
2007 Q2 4,480 13 13 2901.8
2007 Q1 3,990 5 3 1253.1
2006 Q4 3,915 0 0 0.0
2006 Q3 3,840 0 0 0.0
2006 Q2 3,790 7 2 1847.0
2006 Q1 2,740 1 0 365.0
2005 Q4 3,000 0 0 0.0
2005 Q3 3,105 2 0 644.1
2005 Q2 3,360 0 0 0.0
2004 Q2 2,958 12 6 4056.8

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.

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The full compliance file on Cantera Puerto Ven

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.