Mining Incidents

SUN CITY PLANT Metal/Non-Metal

CalMat Co · Surface
Controlled by Vulcan Materials Company
Grand, Maricopa County, AZ  ·  Active
MSHA Mine ID: 0200632

SUN CITY PLANT has $16K in proposed MSHA penalties and $516 outstanding across 4 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
41
Years on record
1987–2019
Latest incident
Feb 2019
Compliance record
MSHA citations since 2000
91
citations
19
significant & substantial
$16,170
proposed penalties
$15,173
paid to date
94% of proposed penalties paid to date, a $997 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
69
inspections on record
1,034
inspection hours
8.8
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.
91 citations across 1,034 inspection hours.
Source: MSHA inspections data, updated weekly.

SUN CITY PLANT has $16K in proposed MSHA penalties and $516 outstanding across 4 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.
$16K
proposed penalties
$16K
current assessed
$15K
paid to date
$516
outstanding
89 assessments are final orders; 4 contested dockets.
As of the most recent assessment on 2025-08-25.
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 12,222 0 0 0.0
2025 Q3 12,929 2 0 154.7
2025 Q2 13,234 0 0 0.0
2025 Q1 12,989 0 0 0.0
2024 Q4 12,672 0 0 0.0
2024 Q3 13,934 1 0 71.8
2024 Q2 14,823 0 0 0.0
2024 Q1 13,517 0 0 0.0
Show 95 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 12,066 1 1 82.9
2023 Q3 11,934 0 0 0.0
2023 Q2 12,765 0 0 0.0
2023 Q1 11,983 0 0 0.0
2022 Q4 12,123 0 0 0.0
2022 Q3 12,377 0 0 0.0
2022 Q2 11,923 0 0 0.0
2022 Q1 11,315 0 0 0.0
2021 Q4 9,749 0 0 0.0
2021 Q3 12,229 0 0 0.0
2021 Q2 11,968 1 0 83.6
2021 Q1 11,651 0 0 0.0
2020 Q4 10,464 0 0 0.0
2020 Q3 11,729 0 0 0.0
2020 Q2 12,936 0 0 0.0
2020 Q1 12,267 0 0 0.0
2019 Q4 11,178 0 0 0.0
2019 Q3 11,002 2 0 181.8
2019 Q2 10,958 0 0 0.0
2019 Q1 10,828 11 3 1015.9
2018 Q4 11,210 0 0 0.0
2018 Q3 11,517 0 0 0.0
2018 Q2 11,095 0 0 0.0
2018 Q1 10,282 5 2 486.3
2017 Q4 9,953 0 0 0.0
2017 Q3 11,362 0 0 0.0
2017 Q2 12,746 0 0 0.0
2017 Q1 12,278 2 0 162.9
2016 Q4 12,987 0 0 0.0
2016 Q3 12,823 3 0 234.0
2016 Q2 10,030 0 0 0.0
2016 Q1 9,369 0 0 0.0
2015 Q4 8,585 5 3 582.4
2015 Q3 8,297 1 0 120.5
2015 Q2 7,822 0 0 0.0
2015 Q1 7,129 3 0 420.8
2014 Q4 3,870 0 0 0.0
2014 Q3 3,487 0 0 0.0
2014 Q2 6,732 1 0 148.5
2014 Q1 8,034 1 0 124.5
2013 Q4 4,228 0 0 0.0
2013 Q3 6,969 0 0 0.0
2013 Q2 7,312 0 0 0.0
2013 Q1 9,141 0 0 0.0
2012 Q4 7,761 2 1 257.7
2012 Q3 6,984 0 0 0.0
2012 Q2 8,894 2 1 224.9
2012 Q1 9,726 0 0 0.0
2011 Q4 9,180 2 0 217.9
2011 Q3 8,795 0 0 0.0
2011 Q2 9,069 0 0 0.0
2011 Q1 9,288 3 1 323.0
2010 Q4 8,967 0 0 0.0
2010 Q3 16,232 0 0 0.0
2010 Q2 13,924 0 0 0.0
2010 Q1 8,011 4 1 499.3
2009 Q4 1,900 0 0 0.0
2009 Q3 195 0 0 0.0
2009 Q1 5,484 1 0 182.3
2008 Q4 10,232 0 0 0.0
2008 Q3 10,251 6 0 585.3
2008 Q2 8,884 0 0 0.0
2008 Q1 11,222 0 0 0.0
2007 Q4 13,286 0 0 0.0
2007 Q3 13,940 0 0 0.0
2007 Q2 15,155 0 0 0.0
2007 Q1 15,035 3 0 199.5
2006 Q4 15,126 0 0 0.0
2006 Q3 17,999 0 0 0.0
2006 Q2 18,250 5 0 274.0
2006 Q1 18,008 0 0 0.0
2005 Q4 16,563 0 0 0.0
2005 Q3 14,959 0 0 0.0
2005 Q2 15,660 2 0 127.7
2005 Q1 14,591 0 0 0.0
2004 Q4 14,113 0 0 0.0
2004 Q3 14,162 0 0 0.0
2004 Q2 14,517 4 0 275.5
2004 Q1 12,926 0 0 0.0
2003 Q4 12,721 0 0 0.0
2003 Q3 11,552 0 0 0.0
2003 Q2 13,961 0 0 0.0
2003 Q1 12,762 0 0 0.0
2002 Q4 11,507 0 0 0.0
2002 Q3 11,501 6 0 521.7
2002 Q2 10,271 0 0 0.0
2002 Q1 8,999 1 0 111.1
2001 Q4 9,133 0 0 0.0
2001 Q3 9,698 0 0 0.0
2001 Q2 12,529 6 3 478.9
2001 Q1 10,749 0 0 0.0
2000 Q4 9,896 0 0 0.0
2000 Q3 9,323 5 3 536.3
2000 Q2 15,693 0 0 0.0
2000 Q1 11,912 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

41 on file

2019 · 1 incident

February 27, 2019 AZ · Metal/Non-Metal water truck operator SLIP OR FALL OF PERSON
CalMat Co · Over-exertion (Not Elsewhere Classified)

Emp exited water truck end of shift stepping onto uneven pavement rolling ankle. Injury treated with RICE. Emp wanted wait see if would be ok but swelling worsened, Supervisor took emp to clinic 03/08/19. Emp prescribed Tylenol, Diclofenac sodium, air boot for up to 6 hrs per day and physical therapy. PT noted boot was not effective after day 3 recommending boot is not required.

2017 · 1 incident

February 10, 2017 AZ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
CalMat Co · Over-exertion in lifting objects

This injury is stemming from a first aid injury that occurred 9/10/14 and was reported at that time but no further medical treatment was sought. This was again reported 02/10/17 with the employee stating it was due the the injury in 2014. Original first aid was due to back strain as a roving mechanic at that time. *EE was shoveling on 2/10/17 per call.

2011 · 1 incident

May 20, 2011 AZ · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
CalMat Co · Fall from machine

On 05/20/2011, the employee was taken to the hospital and was admitted for more than 24 hours. The employee stated that while descending the ladder of a haul truck, he fell and bumped his head.

2007 · 3 incidents

March 10, 2007 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
CalMat Co · Over-exertion in lifting objects

Installing expanded metal 4 x 8 sheet. Employee alleges back strain.

March 1, 2007 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
CalMat Co · Struck by falling object

While moving scrap parts in the boneyard, a t-roller fell on his hand, cutting finger on left hand

February 16, 2007 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
CalMat Co · Struck by... (Not Elsewhere Classified)

Employee was trimming rubber liners with a razor knife when it slipped and cut his left index finger

2006 · 2 incidents

September 15, 2006 AZ · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant HANDLING OF MATERIALS
CalMat Co · Over-exertion in lifting objects

Employee was picking up five gallon buckets of material when she bent over to pick up bucket and stood up - felt back "pop".

February 17, 2006 AZ · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider HANDLING OF MATERIALS
CalMat Co · Over-exertion in lifting objects

While replacing guard on conveyor, employee lifted and twisted at same time causing strain to lower back.

2004 · 2 incidents

September 9, 2004 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
CalMat Co · Struck by... (Not Elsewhere Classified)

Employee was using hammer on clamp rail of second screen deck. Hammer struck upper deck frame glancing off course and striking employee on left thumb.

March 11, 2004 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
CalMat Co · Caught in, under or between a moving and a stationary object

Employee went to see company doctor on 3/11/04, received stitches and was placed on restricted duty. Adjusting forks on forklift to pick up palet. Fork fell against back brake causing an avulsion and laceration to two left fingers.

2001 · 3 incidents

May 31, 2001 AZ · Metal/Non-Metal truck driver ALL OTHER OCCUPATIONAL ILLNESSES
Calmat Company Of Arizona · (Not Elsewhere Classified)

ALLEGED STRESS AND DEPRESSION.

May 29, 2001 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Calmat Company Of Arizona · Fall from machine

AFTER FUELING COMPRESSOR ON BOOM TRUCK, STEPPED OFF OF EDGE OF TRUCK AND FELL. STRIKING HIS CHIN ON CONCRETE CURB.

May 9, 2001 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech POWERED HAULAGE
Calmat Company Of Arizona · Struck against a moving object

STRAINED BACK MUSCLES WHILE OPERATING FRONT END LOADER.

2000 · 6 incidents

September 8, 2000 AZ · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Calmat Company Of Arizona · Struck by rolling or sliding object

PIPE ROLLED OFF LOADER BUCKET ONTO FOOT

August 21, 2000 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Calmat Company Of Arizona · Over-exertion (Not Elsewhere Classified)

EMPLOYEE WAS USING A LONG STEEL BAR TO DRIVE OUTA LOADER BUCKET PIN.

May 23, 2000 AZ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Calmat Company Of Arizona · Fall to lower level, (Not Elsewhere Classified)

SLIPPED OFF OF CONCRETE SLAB, CUT ON RIGHT SHIN BONE.

April 19, 2000 AZ · Metal/Non-Metal welder (shop) OTHER
Calmat Company Of Arizona · Absorption of radiations, caustics, toxic and noxious substances

SPIDER BITES (ACCIDENT HAPPENED ON THE 19TH, EMPLOYEE WENT TO DOCTOR'S OFFICE THAT SAME DAY AND WAS PUT ON LIGHT DUTY. IT WAS NOT REPORTABLE AS WORK RELATED UNTIL SECOND VISIT TO DOCTOR, ON TH E 24TH. DID NOT RECEIVE INJURY REPORT UNTIL 5-1-00.

March 27, 2000 AZ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator STEPPING OR KNEELING ON OBJECT
Calmat Company Of Arizona · Struck against stationary object

EMPLOYEE WAS WALKING, STEPPED ON ROCK THAT ROLLED UNDER HIS FOOT.

1999 · 8 incidents

December 21, 1999 AZ · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Calmat Company Of Arizona · Struck against a moving object

DRIVING HAUL TRUCK HIT POLE WAS THROWN UP AGAINST SEATBELT & FELT STRAIN IN BACK

November 5, 1999 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Calmat Company Of Arizona · Struck by... (Not Elsewhere Classified)

LIFTING SCREEN (WITH THREE OTHER PEOPLE), IT BROKE FREE AND CAUGHT EE IN THE NOSTRIL.

October 11, 1999 AZ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Calmat Company Of Arizona · Fall onto or against objects

STEPPING OVER HANDRAIL SLIPPED & FELL ON CROTCH

October 6, 1999 AZ · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider HANDLING OF MATERIALS
Calmat Company Of Arizona · Struck by... (Not Elsewhere Classified)

HE WAS SETTING IN THE FEED HOPPER INSTALLING BOLTS IN A PLATE WHEN THE PLATE CAME BACK HITTING HIM IN THE LOWER BACK ON THE RIGHT SIDE. ALSO HIT HIM ON THE LEG.

August 24, 1999 AZ · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider HANDLING OF MATERIALS
Calmat Company Of Arizona · Over-exertion (Not Elsewhere Classified)

EMPLOYEE WAS SHOVELING AND EXPERIENCED LOW BACK PAIN.

July 22, 1999 AZ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Calmat Company Of Arizona · Over-exertion (Not Elsewhere Classified)

INSIDE CRUSHER, TWISTED BACK

January 14, 1999 AZ · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler SLIP OR FALL OF PERSON
Calmat Company Of Arizona · Fall to the walkway or working surface

WALKING ON WOOD PALLET OVER WATER, SLIPPED INJURING LOWER BACK

1998 · 1 incident

June 25, 1998 AZ · Metal/Non-Metal loader head operator, roscoe operator DISORDERS (REPEATED TRAUMA)
Calmat Company Of Arizona · Over-exertion (Not Elsewhere Classified)

EMPLOYEE COMPLAINED OF SWELLING AND PAIN IN BOTH ARMS, HANDS AND WRISTS FROM OPERATING LOADER. DIAGNOSED WIHT SYNOVITIS AND TENOSYNOVITIS.

1997 · 2 incidents

October 15, 1997 AZ · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
Calmat Company Of Arizona · Over-exertion (Not Elsewhere Classified)

EE WAS GETTING OFF LOADER AND TURNED TO CLOSE DOOR AND COME DOWN THE STAIRS, AND TWISTED LEFT KNEE.

May 8, 1997 AZ · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider SLIP OR FALL OF PERSON
Calmat Company Of Arizona · Fall down stairs

EMPLOYEE WAS DESCENDING A STAIRWAY AND CAUGHT HIS HEEL ON A STEP CAUSING HIM TO FALL AND TWIST HIS KNEE.

1996 · 1 incident

August 23, 1996 AZ · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Calmat Company Of Arizona · Over-exertion (Not Elsewhere Classified)

TWISTED RIGHT KNEE CLIMBING DOWN FROM ROCK TRUCK

1995 · 1 incident

August 6, 1995 AZ · Metal/Non-Metal welder (shop) SLIP OR FALL OF PERSON
Calmat Company Of Arizona · Fall onto or against objects

WHILE CARRYING A FIVE GALLON WATER BOTTLE TO TOP OF JAW CRUSHER TO COOL OFF FLY WHEEL, BUMPED INTO AN ANGLE CAUSING IMBALANCE. FELL AND LANDED ON ELECTRIC MOTOR ON CHEST. FRACTURED LEFT RIB.

1993 · 2 incidents

August 26, 1993 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Calmat Company Of Arizona · Struck by... (Not Elsewhere Classified)

WHEN CUTTING A WET BELT WITH RAZOR KNIFE, SLIPPED & CUT RIGHT LEG ABOVE KNEE.

March 4, 1993 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Calmat Company Of Arizona · Struck by... (Not Elsewhere Classified)

EMPLOYEE WAS INSTALLING A GRIZZLY BAR IN THE DRIVE OVER GRIZZLY HE GOT ONE SIDE OF THE BAR IN PLACE & WAS USING A PRY BAR TO LIFT & MOVE THE OTHER SIDE WHEN THE BAR SLIPPED OUT OF HIS HAND & S TRUCK HIS LEFT FOOT

1990 · 3 incidents

August 30, 1990 AZ · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Calmat Company Of Arizona · Struck against a moving object

HAULING MATERIAL TO GRIZZLEY IN EUK HIT A BUMP IN ROAD HAD PAIN IN UPPER BACK.

August 4, 1990 AZ · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer STRIKING OR BUMPING
Calmat Company Of Arizona · Struck against stationary object

THE ACCIDENT HAPPENED ON 8-4-90 BUT THE EMPLOYEE DID NOT SEEK MEDICAL TREATMENT UNTIL 8-21-90, RETURNED TO WORK 8-27-90 THEN TAKEN OFF WORK AGAIN. HE WAS CHECKING SCREENS, RAISED UP AND HIT B ACK ON SCREEN.

June 8, 1990 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Calmat Company Of Arizona · Absorption of radiations, caustics, toxic and noxious substances

EMPLOYEE WAS MAKING REPAIRS ON CONVEYOR AND WAS BITTEN B AND INSECT.

1989 · 1 incident

March 14, 1989 AZ · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
Calmat Company Of Arizona · Over-exertion (Not Elsewhere Classified)

EMPLOYEE CLEANING WINDSHIELD ON LOADER STEPPED ON A SPOT OF GREASE. HE SLIPPED AND GRABBED THE HANDRAIL AND FELT A PAIN IN HIS BACK.

1987 · 3 incidents

July 23, 1987 AZ · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
Calmat Company Of Arizona · Over-exertion (Not Elsewhere Classified)

EMPLOYEE WAS PUTTING IN TROUGHING ROLLER ON 1" ROCK STACKER BELT AND FELT SMALL PAIN IN LOWER BACK.

April 28, 1987 AZ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Calmat Company Of Arizona · Fall down stairs

EMPLOYEE CLIMBING FLIGHT OF STAIRS. TWISTED ANKLE ON STAIRS.

February 2, 1987 AZ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Calmat Company Of Arizona · Fall from machine

STEPPED OFF OUT-RIGGER ONTO ROCK, SLIPPED, AND TWISTED ANKLE.

For insurers, brokers, and safety consultants

The full compliance file on SUN CITY PLANT

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.