Mining Incidents

MA Planta Aguadilla Metal/Non-Metal

Controlled by Ricardo Cardona
Aquadilla, Aguadilla County, PR  ·  Active
MSHA Mine ID: 5400110

MA Planta Aguadilla has $14K in proposed MSHA penalties and $440 outstanding across 0 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
29
Years on record
1987–2025
Latest incident
Sep 2025
Compliance record
MSHA citations since 2000
71
citations
31
significant & substantial
$14,486
proposed penalties
$14,046
paid to date
97% of proposed penalties paid to date, a $440 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
104
inspections on record
962
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: 962 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

MA Planta Aguadilla has $14K in proposed MSHA penalties and $440 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.
$14K
proposed penalties
$14K
current assessed
$14K
paid to date
$440
outstanding
68 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-01-21.
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 6,689 0 0 0.0
2025 Q3 5,761 0 0 0.0
2025 Q2 7,506 0 0 0.0
2025 Q1 6,115 1 0 163.5
2024 Q4 7,528 0 0 0.0
2024 Q3 8,449 0 0 0.0
2024 Q2 6,880 1 0 145.3
2024 Q1 6,834 2 1 292.7
Show 91 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 7,466 0 0 0.0
2023 Q3 7,697 0 0 0.0
2023 Q2 8,093 0 0 0.0
2023 Q1 7,658 0 0 0.0
2022 Q4 7,924 0 0 0.0
2022 Q3 6,757 0 0 0.0
2022 Q2 7,827 0 0 0.0
2022 Q1 6,200 1 1 161.3
2021 Q4 7,960 0 0 0.0
2021 Q3 6,936 0 0 0.0
2021 Q2 7,483 1 0 133.6
2021 Q1 6,922 2 0 288.9
2020 Q4 6,985 0 0 0.0
2020 Q3 8,038 0 0 0.0
2020 Q2 4,297 1 0 232.7
2020 Q1 5,332 0 0 0.0
2019 Q4 7,051 0 0 0.0
2019 Q3 7,325 0 0 0.0
2019 Q2 5,770 0 0 0.0
2019 Q1 6,179 0 0 0.0
2018 Q4 5,932 0 0 0.0
2018 Q3 6,467 0 0 0.0
2018 Q2 6,840 2 0 292.4
2018 Q1 5,007 0 0 0.0
2017 Q4 3,714 0 0 0.0
2017 Q3 1,200 0 0 0.0
2016 Q3 6,682 0 0 0.0
2016 Q2 6,920 0 0 0.0
2016 Q1 6,449 0 0 0.0
2015 Q4 5,301 0 0 0.0
2015 Q3 7,024 0 0 0.0
2015 Q2 7,041 0 0 0.0
2015 Q1 5,843 0 0 0.0
2014 Q4 7,024 0 0 0.0
2014 Q3 5,432 0 0 0.0
2014 Q2 6,887 1 0 145.2
2014 Q1 6,151 0 0 0.0
2013 Q4 6,366 0 0 0.0
2013 Q3 5,864 0 0 0.0
2013 Q2 6,163 1 0 162.3
2013 Q1 5,692 1 0 175.7
2012 Q4 5,948 0 0 0.0
2012 Q3 5,607 1 1 178.3
2012 Q2 6,403 0 0 0.0
2012 Q1 6,431 3 2 466.5
2011 Q4 6,697 0 0 0.0
2011 Q3 7,496 0 0 0.0
2011 Q2 7,496 0 0 0.0
2011 Q1 6,492 0 0 0.0
2010 Q4 6,065 1 0 164.9
2010 Q3 6,990 0 0 0.0
2010 Q2 7,976 0 0 0.0
2010 Q1 5,698 0 0 0.0
2009 Q4 6,354 4 2 629.5
2009 Q3 6,460 0 0 0.0
2009 Q2 3,438 0 0 0.0
2009 Q1 5,532 0 0 0.0
2008 Q4 8,322 0 0 0.0
2008 Q3 8,289 1 1 120.6
2008 Q2 10,294 0 0 0.0
2008 Q1 9,665 3 2 310.4
2007 Q4 9,525 0 0 0.0
2007 Q3 10,925 1 0 91.5
2007 Q2 11,235 0 0 0.0
2007 Q1 9,919 0 0 0.0
2006 Q4 9,623 0 0 0.0
2006 Q3 3,839 0 0 0.0
2006 Q2 3,779 2 1 529.2
2006 Q1 3,503 0 0 0.0
2005 Q4 7,261 1 0 137.7
2005 Q3 7,660 2 0 261.1
2005 Q2 6,180 3 3 485.4
2005 Q1 8,775 0 0 0.0
2004 Q4 7,454 0 0 0.0
2004 Q3 8,796 0 0 0.0
2004 Q2 10,192 6 4 588.7
2004 Q1 8,715 0 0 0.0
2003 Q4 8,572 5 4 583.3
2003 Q3 5,402 2 2 370.2
2003 Q2 5,691 0 0 0.0
2003 Q1 1,920 0 0 0.0
2002 Q4 5,680 3 2 528.2
2002 Q3 5,630 2 0 355.2
2002 Q2 5,668 4 1 705.7
2002 Q1 6,760 6 2 887.6
2001 Q4 5,720 1 0 174.8
2001 Q3 6,760 1 0 147.9
2000 Q4 4,660 0 0 0.0
2000 Q3 4,720 0 0 0.0
2000 Q2 5,499 1 0 181.9
2000 Q1 7,150 1 1 139.9
No fatalities recorded at this mine.

Reportable incidents

29 on file

2025 · 1 incident

September 22, 2025 PR · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Master Concrete and Aggregates LLC · Struck by... (Not Elsewhere Classified)

On September 22, 2025, an individual entered the facility's parking lot and illegally stole an employee's vehicle. The individual took the wrong exit and headed toward the plant area. The employee confronted them but was struck in the back of the head with a drill found in the vehicle, causing a minor injury. The individual was later arrested in the nearby community.

2024 · 1 incident

2023 · 1 incident

February 2, 2023 PR · Metal/Non-Metal utility man, shift tech, service/dump truck operator MACHINERY
Master Concrete and Aggregates LLC · Struck by falling object

Employee was cleaning a continuous corridor to a vibrator screen, when an approximately 2-inch stone struck employee's right shoulder, causing a bruise.

2022 · 1 incident

February 18, 2022 PR · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDTOOLS (NONPOWERED)
Master Concrete and Aggregates LLC · Struck by... (Not Elsewhere Classified)

While the employee was cutting a strap of employee's truck with a knife to replace an hydraulic hose, the thumb of employee's left hand was cut.

2020 · 2 incidents

September 11, 2020 PR · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Master Concrete and Aggregates LLC · Struck against stationary object

Employee alleges that EE was tightening the oil tube bolts on the 320B excavator bucket. When EE was adjusting one of the Allen screws, the tool came loose causing the ring finger of EE's left hand to hit the metal, causing swelling in the finger.

July 14, 2020 PR · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Master Concrete and Aggregates LLC · Fall onto or against objects

The employee alleges that while filling the truck's tank with diesel the hose of the air pump that draws diesel from the tank came loose, spreading diesel down the ladder, railings, and floor of the truck. When the employee tried to get down, EE slipped hitting EE's groin, thigh and knee on the right side of the body.

2019 · 1 incident

August 1, 2019 PR · Metal/Non-Metal utility man, shift tech, service/dump truck operator HANDLING OF MATERIALS
Master Concrete and Aggregates LLC · Caught in, under or between a moving and a stationary object

The employee received a small cut in left hand while making a movement of a tire of the backhoe loader. Employee received 5 stitches at a diagnostic and treatment center. Employee will return to work on August 9, 2019, as notified.

2016 · 1 incident

May 16, 2016 PR · Metal/Non-Metal rotary bucket excavator operator MACHINERY
Mini Master Concrete Service Inc · Struck against a moving object

The employee indicates a painful back and apparent pinched nerve, allegedly from operating the excavator 320. The employee was referred to Fondo del Seguro de Estado by a private doctor.

2015 · 1 incident

September 14, 2015 PR · Metal/Non-Metal utility man, shift tech, service/dump truck operator HANDLING OF MATERIALS
Mini Master Concrete Service Inc · Over-exertion in pulling or pushing objects

The employee was accommodating the Plant Conveyor Toughing of conveyor #6 (with an approximate weight of 10 to 15 lbs.). When he forcefully pushed to accommodate it into place, he felt discomfort in his neck and lower back.

2014 · 4 incidents

May 15, 2014 PR · Metal/Non-Metal utility man, shift tech, service/dump truck operator HANDLING OF MATERIALS
Master Aggregates Toa Baja Corp. · Struck against stationary object

The employee was opening the hatch on the back of the conveyor cover, pricked the thumb of right hand.

May 14, 2014 PR · Metal/Non-Metal dispatcher OTHER
Master Aggregates Toa Baja Corp. · Bodily reaction, (Not Elsewhere Classified)

The employee was walking in the office area and slipped, ee injured lower back and left hip.

April 28, 2014 PR · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Master Aggregates Toa Baja Corp. · Over-exertion (Not Elsewhere Classified)

While the employee was taking out the starter of the truck, he made an undue force, causing him to injure his lower back.

January 8, 2014 PR · Metal/Non-Metal rotary bucket excavator operator MACHINERY
Master Aggregates Toa Baja Corp. · Struck against a moving object

Employee of the 600 excavator was referred "Fondo Del Seguro De Estado" for back pain.

2013 · 1 incident

October 1, 2013 PR · Metal/Non-Metal mine manager, mine foreman, mine owner HANDLING OF MATERIALS
Master Aggregates Toa Baja Corp. · Struck by... (Not Elsewhere Classified)

The employee going up the stairs of the conveyor belt, the belt slipped and pricking the middle finger of the right hand.

2010 · 1 incident

June 21, 2010 PR · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Cantera Medina, Inc. · Over-exertion (Not Elsewhere Classified)

The employee was cleaning with shovel under conveyor, when he felt pain in his back and hip & couldn't move.

2009 · 1 incident

November 9, 2009 PR · Metal/Non-Metal welder (shop) HANDTOOLS (NONPOWERED)
Master Aggregates Toa Baja Corp Pta 6 Aguadilla · Struck by... (Not Elsewhere Classified)

EE was said that he was holding a nail with a wrench then he started hammering the wrench it slipped and hit between his left thumb and index finger. It caused a laceration and his hand to swell up.

2008 · 1 incident

June 28, 2008 PR · Metal/Non-Metal pumper SLIP OR FALL OF PERSON
Master Aggregates Toa Baja Corp Pta 6 Aguadilla · Fall onto or against objects

The employee was giving maintenance to the conveyor; he was standing in the hallway holding the interior part of the handrail of the conveyor. He got dizzy, falling on hallway, hitting his right leg and affecting the muscle of the thigh.

2006 · 1 incident

January 10, 2006 PR · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
Cantera Medina Inc · Caught in, under or between a moving and a stationary object

The employee was repairing the primary feeder chain. The chain was twisted. When he tried to straighten the chain, it was loose on the bottom. When it stretched, it moved trapping the little finger of the right hand against the sproket.

2004 · 1 incident

June 2, 2004 PR · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
Cantera Medina Inc · Struck by flying object

Angle iron fell on ground, bounced on rock acting as a see saw, hit person on chin causing cut at chin.

1998 · 2 incidents

September 11, 1998 PR · Metal/Non-Metal HANDLING OF MATERIALS
Cantera Medina Inc · Caught in, under or between (Not Elsewhere Classified)

EE WAS WORKING AT MILL #3 FRIDAY 10:30 AM. WHILE HELPING OTHER EE (CONTRACTOR) TO MOVE A MOTOR HIS RT HAND WAS CAUGHT AND SQUEEZED WITH CONSEQUENCES STATED BELOW, BROKEN FINGERS,10 STITCHES. A T TIME HE WAS WEARING SAFETY GLOVES. WAS REFERRED TO SAN CARLOS HOSPITAL, TREATED BY DR (ORTHOPEDICS)

February 18, 1998 PR · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Cantera Medina Inc · Struck by falling object

WHILE REPAIRING TIRE OF U-32 [WATER TRUCK], WHILE TAKING BOLTS OF TIRE THE SAME FELL ON HIS RIGHT LEG INJURING HIMSELF.

1997 · 1 incident

March 18, 1997 PR · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Cantera Medina Inc · Fall onto or against objects

EE WAS CLEANING #1 MILL AREA. HE LOST HIS BALANCE AND FELL DOWN KNOCKING HIS HEAD IN A METAL BANISTER. THE WOUND NEEDS 7 SURGICAL STITCHES.

1996 · 1 incident

September 24, 1996 PR · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Cantera Medina Inc · Struck by... (Not Elsewhere Classified)

SINCE HE IS GIVING MAINTENANCE IN MILL 1 TRANSMISSION CASE HIT HIS HEART FINGER, LEFT HAND, RECEIVING A LITTLE INJURY.

1995 · 1 incident

April 26, 1995 PR · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Cantera Medina Inc · Fall from machine

EE OPERATE THE TRACK DRILL MACHINE, WHEN HE GO TO GLIDE & FALL DOWN. HE WOUND HIS LEFT LEG & FOOT.

1994 · 1 incident

July 7, 1994 PR · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech STEPPING OR KNEELING ON OBJECT
Cantera Medina Inc · Struck against stationary object

HE WENT FOR THE FOOT STEP AND TURNED HIS FOOT.

1993 · 2 incidents

November 11, 1993 PR · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Cantera Medina Inc · Fall from machine

EMPLOYEE WAS OPERATING AN EXCAVATOR (JD-690). HE WAS GETTING OFF THE EQUIPMENT, FELL TO GROUND, TWISTING LEFT ANKLE.

July 20, 1993 PR · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Cantera Medina Inc · Struck against stationary object

EE MAINTENANCE MAN WAS TRYING TO START THE MOTOR OF THE DIESEL TANKS WHEN HE YANKED THE STARTED CORD HE HIT HIS RT ELBOW ON ANOTHER TANK

1988 · 1 incident

May 6, 1988 PR · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Cantera Medina Inc · Over-exertion (Not Elsewhere Classified)

HE WAS WORKING NORMALLY AND GAVE A BACKACHE.

1987 · 1 incident

January 22, 1987 PR · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Cantera Medina Inc · Over-exertion in lifting objects

HE WAS INSTALLING AN I BEAM ANDHURT HIS RIGHT HAND. WRONG LIFTING.

For insurers, brokers, and safety consultants

The full compliance file on MA Planta Aguadilla

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.