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.
137 citations across 1,089 inspection hours.
Source: MSHA inspections data, updated weekly.
CANTERA DORADO has $38K in proposed MSHA penalties and $20K outstanding across 3 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.
$38K
proposed penalties
$38K
current assessed
$18K
paid to date
$20K
outstanding
134 assessments are final orders; 3 contested dockets.
Of $2K in penalties contested before the Commission, $2K was upheld in final decisions.
As of the most recent assessment on 2025-11-06.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Violation severity profile
ⓘShares are computed over citations that carry the MSHA gravity and negligence coding; a small share of records are uncoded.
Source: MSHA violations gravity and negligence coding, updated weekly.
When citations were contested
ⓘContesting a citation before the Federal Mine Safety and Health Review Commission is a lawful right. These figures state the public outcomes of that process, from MSHA's Contested Violations file.
11citations taken to the federal commission · 8% of citations on record
Settled
7 · 64%
Stood as issued
4 · 36%
100%
S&S designation survived the contest
ⓘCounts a Significant & Substantial citation as surviving when a settlement or judge's decision kept the designation, or the contest was dismissed or defaulted so the citation stands as issued. Vacated and withdrawn citations, and settlements that removed the designation, count against.
of 2 decided S&S contests · industry: 79%
4%
Penalty reduction in decided contests
$2K proposed, $2K after decisions · industry: 39%
Source: MSHA Contested Violations file (public record), updated weekly. A dismissed or defaulted contest leaves the citation standing as issued; a vacated or withdrawn citation is removed from the violation record. Latest contest filed 2017-02-07.
Contested penalties
ⓘA reduction or dismissal at the Commission is a lawful outcome of contesting a proposed penalty. Figures are the proposed amount and the amount upheld in the docket's decision.
Largest penalties this mine contested before the Federal Mine Safety and Health Review Commission, with the outcome on record.
Health sampling
ⓘA sample is a point in time compliance measurement, not an individual exposure history. These figures describe MSHA sampling records and do not establish causation or personal dose.
Metal and nonmetal contaminants (personal samples)
ⓘMany samples are screening measurements of substances with no applicable exposure limit; they are counted as samples but excluded from every over-limit figure. Over-limit shares use only limit-tested samples.
Last sampled: 2026-04-21
0%
of limit-tested samples over the exposure limit
20
samples
10
limit-tested
Most sampled contaminants
Respirable dust, <.1mg7
Nuisance dust, total, <1% Qtz6
Nuisance dust, respirable, <1% Qtz4
Unlisted Particulate, total, <1% Qtz3
Show the individual readings (20)
Date
Contaminant
Concentration
Limit
Conc / limit
Occupation
2026-04-21
Nuisance dust, respirable, <1% Qtz
0.13
10
0.01
Crusher Oper/Worker
2026-04-21
Respirable dust, <.1mg
0
Front-end Loader Operator
2024-07-08
Unlisted Particulate, total, <1% Qtz
0
Front-end Loader Operator
2024-07-08
Unlisted Particulate, total, <1% Qtz
0
Backhoe Operator
2023-05-03
Nuisance dust, total, <1% Qtz
0
10
0.00
Backhoe Operator
2023-05-03
Nuisance dust, total, <1% Qtz
2.65
10
0.27
Laborer, Bullgang
2023-05-03
Nuisance dust, total, <1% Qtz
3.06
10
0.31
Crusher Oper/Worker
2021-05-03
Unlisted Particulate, total, <1% Qtz
1.77
Cleanup Man
2021-05-03
Respirable dust, <.1mg
0
Backhoe Operator
2020-02-13
Nuisance dust, total, <1% Qtz
0
10
0.00
Front-end Loader Operator
2020-02-13
Nuisance dust, total, <1% Qtz
0.97
10
0.10
Bobcat Operator
2016-05-25
Respirable dust, <.1mg
0
Cleanup Man
2016-05-25
Nuisance dust, respirable, <1% Qtz
0.38
10
0.04
Cleanup Man
2012-06-06
Respirable dust, <.1mg
0
Front-end Loader Operator
2011-05-19
Nuisance dust, respirable, <1% Qtz
0.13
10
0.01
Backhoe Operator
2009-04-28
Nuisance dust, total, <1% Qtz
3.55
10
0.36
Cleanup Man
2005-10-05
Respirable dust, <.1mg
0
Bulldozer Operator
2005-06-14
Respirable dust, <.1mg
0
Crusher Oper/Worker
2005-06-14
Respirable dust, <.1mg
0
Crusher Oper/Worker
2003-04-28
Nuisance dust, respirable, <1% Qtz
0.2
10
0.02
Crusher Oper/Worker
Source: MSHA respirable dust, quartz, and noise sampling records, updated weekly. Metal/nonmetal contaminant figures come from MSHA's Personal Health Samples and Area Samples files (public record), updated weekly.
CANTERA DORADO recorded 0.00 reportable injury cases per 100 full-time workers in 2021.
Injury rate, 2021
ⓘThis rate is reportable injury cases per 100 full-time-equivalent workers per year, computed as 200,000 times cases divided by MSHA operator-reported employee-hours. Cases are injuries MSHA graded degree 01 through 07; accident-only events that hurt no one are excluded, and so are contractor injuries, whose hours do not attach to a single mine. Rates begin in 2000, when quarterly employment reporting starts, and are withheld below 20,000 hours in a year.
0.00
total case rate
0.00
days-away rate
0.000
fatality rate
Below average. The US metal and nonmetal mining average was 1.87 and the all-US-mining average was 2.19 cases per 100 workers.
In Puerto Rico, metal and nonmetal mining averaged 3.42 cases per 100 workers that year.
Under 100,000 employee-hours were reported that year, so a single case moves the rate by two or more. Read the figure as approximate.
Year
total case rate
days-away
fatal
2021 *
0.00
0.00
0.000
2016 *
0.00
0.00
0.000
2013 *
0.00
0.00
0.000
2010 *
0.00
0.00
0.000
2009 *
6.29
6.29
0.000
2008 *
0.00
0.00
0.000
2007 *
3.54
3.54
0.000
2006 *
0.00
0.00
0.000
* Fewer than 100,000 employee-hours that year; the rate is less stable.
Source: injury cases from MSHA accident and injury records; employee-hours from MSHA quarterly employment reports. Rate is cases per 100 full-time-equivalent workers, operator employees only.
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year
Employees
2026
11
2025
10
2024
11
2023
11
2022
11
2021
11
2020
10
2019
9
2018
8
2017
11
2016
13
2013
14
2012
7
2011
10
2010
16
2009
22
2008
26
2007
32
2006
31
2005
25
2004
23
2003
23
2002
26
2001
24
2000
23
Source: MSHA quarterly employment and production, updated weekly.
CANTERA DORADO sits in Manatí Municipio, Puerto Rico, where the Census mining category is 0.0% of county employment.
Local economic context
ⓘCounty figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.
Manatí Municipio, Puerto Rico · Population 39,152
0.0%
Mining share of county employment
$20,352
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
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
2026 Q2
4,178
0
0
0.0
2026 Q1
4,646
0
0
0.0
2025 Q4
4,175
2
0
479.0
2025 Q3
4,421
0
0
0.0
2025 Q2
4,809
2
0
415.9
2025 Q1
4,344
1
0
230.2
2024 Q4
3,925
0
0
0.0
2024 Q3
3,986
0
0
0.0
Show 87 earlier quartersHide earlier quarters
Quarter
Hours worked
Citations
S&S
Per 1M hrs
2024 Q2
4,140
1
0
241.5
2024 Q1
4,222
0
0
0.0
2023 Q4
4,613
4
2
867.1
2023 Q3
4,184
0
0
0.0
2023 Q2
5,352
1
0
186.8
2023 Q1
4,904
0
0
0.0
2022 Q4
4,952
1
1
201.9
2022 Q3
4,540
0
0
0.0
2022 Q2
4,561
1
0
219.3
2022 Q1
5,465
0
0
0.0
2021 Q4
5,200
0
0
0.0
2021 Q3
5,679
0
0
0.0
2021 Q2
5,221
1
0
191.5
2021 Q1
5,097
1
0
196.2
2020 Q4
5,151
0
0
0.0
2020 Q3
4,718
2
0
423.9
2020 Q2
3,175
0
0
0.0
2020 Q1
3,248
1
0
307.9
2019 Q4
4,140
0
0
0.0
2019 Q3
3,769
0
0
0.0
2019 Q2
4,222
3
0
710.6
2019 Q1
3,787
1
0
264.1
2018 Q4
3,774
0
0
0.0
2018 Q3
3,456
3
0
868.1
2018 Q2
3,457
0
0
0.0
2017 Q2
5,179
0
0
0.0
2017 Q1
5,035
0
0
0.0
2016 Q4
4,865
4
0
822.2
2016 Q3
5,361
0
0
0.0
2016 Q2
5,385
9
2
1671.3
2016 Q1
5,219
1
0
191.6
2013 Q4
4,971
0
0
0.0
2013 Q3
6,189
0
0
0.0
2013 Q2
5,197
7
1
1346.9
2013 Q1
4,767
0
0
0.0
2012 Q4
2,987
7
2
2343.5
2012 Q3
2,993
0
0
0.0
2012 Q2
2,940
4
0
1360.5
2012 Q1
2,945
0
0
0.0
2011 Q4
2,886
3
1
1039.5
2011 Q3
2,605
0
0
0.0
2011 Q2
4,094
3
0
732.8
2011 Q1
4,520
0
0
0.0
2010 Q4
4,946
4
0
808.7
2010 Q3
5,275
1
0
189.6
2010 Q2
5,653
0
0
0.0
2010 Q1
5,743
6
2
1044.8
2009 Q4
6,430
0
0
0.0
2009 Q3
7,528
0
0
0.0
2009 Q2
8,326
3
2
360.3
2009 Q1
9,512
0
0
0.0
2008 Q4
10,028
1
1
99.7
2008 Q3
10,736
0
0
0.0
2008 Q2
10,714
5
4
466.7
2008 Q1
11,956
0
0
0.0
2007 Q4
12,396
2
1
161.3
2007 Q3
14,282
3
2
210.1
2007 Q2
14,793
0
0
0.0
2007 Q1
15,049
9
6
598.0
2006 Q4
16,573
1
0
60.3
2006 Q3
15,854
0
0
0.0
2006 Q2
16,063
3
2
186.8
2006 Q1
14,554
0
0
0.0
2005 Q4
12,425
2
1
161.0
2005 Q3
12,304
0
0
0.0
2005 Q2
13,278
1
0
75.3
2005 Q1
12,472
0
0
0.0
2004 Q4
12,112
1
0
82.6
2004 Q3
12,078
0
0
0.0
2004 Q2
12,718
0
0
0.0
2004 Q1
10,964
1
0
91.2
2003 Q4
10,284
0
0
0.0
2003 Q3
11,982
0
0
0.0
2003 Q2
11,862
13
8
1095.9
2003 Q1
11,459
6
4
523.6
2002 Q4
11,821
0
0
0.0
2002 Q3
12,836
2
0
155.8
2002 Q2
13,134
0
0
0.0
2002 Q1
12,515
0
0
0.0
2001 Q4
11,838
3
0
253.4
2001 Q3
12,149
2
2
164.6
2001 Q2
12,207
0
0
0.0
2001 Q1
12,082
2
1
165.5
2000 Q4
11,196
0
0
0.0
2000 Q3
12,130
0
0
0.0
2000 Q2
12,739
0
0
0.0
2000 Q1
12,994
1
0
77.0
No fatalities recorded at this mine.
Reportable incidents
15 on file
2020 · 1 incident
July 10, 2020PR · Metal/Non-Metalfront-end loader, scraper-loader operator, pan operator, payloader, scraper rig operatorFALLING/SLIDING/ROLLING MATERIALS
The miner was walking under the primary crushed stone plant when an approximately 3" stone fell from the conveyor belt and hit his hardhat and took a part of the neck area. The miner was immediately taken to the hospital where medical attention was provided. The tests showed a bruise on the neck area. The miner was sent home to rest.
The miner was performing repairs on a feeder. A loader operator threw 3' material on feeder by mistake making an entrapment. The trapped miner was removed quickly from the feeder without injuries. Paramedics rushed to the site and examined the miner and luckily there were no injuries. The miner is in good health and was sent home for rest.
January 23, 2007PR · Metal/Non-Metalbulldozer operator, universal operator, heavy equipment operator, operating engineerHANDLING OF MATERIALS
The operator began some repairs to the hydraulic hammer of a Komatsu excavator and suffered back pain because of the position he was in. He continued working with some pain but reported the injury and left the worksite immediately after the pain worsened.
2001 · 1 incident
May 30, 2001PR · Metal/Non-Metalwarehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operatorHANDLING OF MATERIALS
ON FRIDAY 4-7 EE WAS CLEANING A METAL TBE AT THE PLANT HE OPERATES AN A APPARENTLY WAS AFFECTED BY THE DUST SINCE THE NEXT DAY WHEN HE WOKE UP HIS EYE WAS RED ADN HE FELT SOME PAIN.
DURING A HOLD UP, THE PERSON MENTIONED BELOW WAZS TAKEN AS A HOSTAGE TO FORCE ENTRY INTO THE QUARRYS DISPATCH OFFICE, WHERE HE WAS THEN TOLD TO LAY DOWN ON THE FLOOR AND WAS SHOT 3 TIMES BY TH E THEIVES.
1994 · 2 incidents
September 13, 1994PR · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDTOOLS (NONPOWERED)
Cantera Dorado Inc · Caught in, under or between (Not Elsewhere Classified)
INJURED WAS HELPING TO INSTALL TRANSMISSION WHENTHE LEVER WHICH HE WAS USING TO HOIST THE TRANS MISSION SLIPPED & CRUSHED HIS MIDDLE FINGER IN HIS RIGHT HAND.
EMPLOYEE WAS INSTALLING A PIN IN THE CRANE'S BOOM WHEN HE SLIPPED AND FELL FROM THE PLATFORM AREA ABOUT 6' OFF THE GROUND & LANDED ON HIS RIGHT ARM.
1992 · 1 incident
May 20, 1992PR · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techPOWERED HAULAGE
Cantera Dorado Inc · Caught in, under or between running or meshing objects
HE WAS CLEANING THE CONVEYOR BELT WITH A STEEL ROD. AS HE TRIED TO LOOSEN MATERIAL UNDER ONE OF THE CONVEYOR ROLLERS, THE ROD WAS CAUGHT ALONG WITH THE EMPLOYEE'S HAND. HIS LEFT HAND WAS CUT A S IT WAS PINNED BY THE ROLLER AGAINS THE RIM.
1990 · 3 incidents
September 25, 1990PR · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDLING OF MATERIALS
THE EMPLOYEE FELL AS HE WAS GETTING OUT OF THE TRUCK AT THE END OF HIS SHIFT. HE SAID THAT HE JUMPED AND FELL ON HIS LEFT ANKLE WHICK PRODUCED A SMALL FRACTURE.
1988 · 1 incident
November 3, 1988PR · Metal/Non-Metallaborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitmanHANDTOOLS (NONPOWERED)