MISSION GORGE PLANT has $221K in proposed MSHA penalties and $1K outstanding across 4 contested dockets, plus health sampling and the full incident record.
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Fatalities
0
Total incidents
71
Years on record
1984–2023
Latest incident
Jun 2023
Compliance record
MSHA citations since 2000
383
citations
109
significant & substantial
$220,856
proposed penalties
$209,091
paid to date
95% of proposed penalties paid to date, a $11,765 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
87
inspections on record
1,910
inspection hours
20.1
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.
383 citations across 1,910 inspection hours.
Source: MSHA inspections data, updated weekly.
MISSION GORGE PLANT has $221K in proposed MSHA penalties and $1K 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.
$221K
proposed penalties
$211K
current assessed
$209K
paid to date
$1K
outstanding
375 assessments are final orders; 4 contested dockets.
As of the most recent assessment on 2026-05-20.
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
9,765
0
0
0.0
2025 Q3
12,258
0
0
0.0
2025 Q2
13,407
12
1
895.1
2025 Q1
14,846
0
0
0.0
2024 Q4
14,458
6
2
415.0
2024 Q3
14,665
0
0
0.0
2024 Q2
18,106
3
0
165.7
2024 Q1
14,017
0
0
0.0
Show 95 earlier quartersHide earlier quarters
Quarter
Hours worked
Citations
S&S
Per 1M hrs
2023 Q4
16,294
5
0
306.9
2023 Q3
15,013
2
0
133.2
2023 Q2
17,916
10
5
558.2
2023 Q1
13,272
7
5
527.4
2022 Q4
14,217
0
0
0.0
2022 Q3
13,957
7
4
501.5
2022 Q2
17,875
0
0
0.0
2022 Q1
15,528
4
0
257.6
2021 Q4
14,826
0
0
0.0
2021 Q3
14,279
9
3
630.3
2021 Q2
13,915
0
0
0.0
2021 Q1
13,930
0
0
0.0
2020 Q4
14,196
5
2
352.2
2020 Q3
15,289
7
3
457.8
2020 Q2
15,624
0
0
0.0
2020 Q1
11,579
0
0
0.0
2019 Q4
12,609
0
0
0.0
2019 Q3
14,622
0
0
0.0
2019 Q2
14,622
3
0
205.2
2019 Q1
13,614
0
0
0.0
2018 Q4
15,471
5
1
323.2
2018 Q3
11,978
7
2
584.4
2018 Q2
14,573
0
0
0.0
2018 Q1
12,911
10
5
774.5
2017 Q4
16,309
0
0
0.0
2017 Q3
13,202
0
0
0.0
2017 Q2
16,011
5
2
312.3
2017 Q1
13,619
0
0
0.0
2016 Q4
17,447
5
2
286.6
2016 Q3
14,171
0
0
0.0
2016 Q2
15,720
9
6
572.5
2016 Q1
11,863
0
0
0.0
2015 Q4
12,328
0
0
0.0
2015 Q3
12,394
2
1
161.4
2015 Q2
12,202
9
3
737.6
2015 Q1
11,521
4
1
347.2
2014 Q4
11,187
0
0
0.0
2014 Q3
10,477
10
4
954.5
2014 Q2
12,339
0
0
0.0
2014 Q1
12,417
4
2
322.1
2013 Q4
12,120
0
0
0.0
2013 Q3
12,937
6
2
463.8
2013 Q2
12,605
5
2
396.7
2013 Q1
13,451
0
0
0.0
2012 Q4
12,297
0
0
0.0
2012 Q3
14,422
8
3
554.7
2012 Q2
12,469
0
0
0.0
2012 Q1
13,827
5
1
361.6
2011 Q4
12,766
0
0
0.0
2011 Q3
14,521
2
0
137.7
2011 Q2
14,890
0
0
0.0
2011 Q1
11,390
4
2
351.2
2010 Q4
14,229
0
0
0.0
2010 Q3
12,462
0
0
0.0
2010 Q2
13,013
4
3
307.4
2010 Q1
9,499
6
2
631.6
2009 Q4
13,679
0
0
0.0
2009 Q3
12,344
0
0
0.0
2009 Q2
14,729
7
1
475.3
2009 Q1
12,681
0
0
0.0
2008 Q4
16,719
5
0
299.1
2008 Q3
14,662
8
2
545.6
2008 Q2
16,698
0
0
0.0
2008 Q1
16,395
6
0
366.0
2007 Q4
19,775
0
0
0.0
2007 Q3
19,613
0
0
0.0
2007 Q2
23,366
8
2
342.4
2007 Q1
17,669
0
0
0.0
2006 Q4
23,141
0
0
0.0
2006 Q3
21,645
7
1
323.4
2006 Q2
24,263
0
0
0.0
2006 Q1
20,877
0
0
0.0
2005 Q4
26,686
7
0
262.3
2005 Q3
26,377
0
0
0.0
2005 Q2
22,504
10
5
444.4
2005 Q1
20,102
0
0
0.0
2004 Q4
16,925
6
1
354.5
2004 Q3
25,038
0
0
0.0
2004 Q2
22,042
10
1
453.7
2004 Q1
23,079
3
0
130.0
2003 Q4
21,247
0
0
0.0
2003 Q3
25,345
0
0
0.0
2003 Q1
26,896
9
2
334.6
2002 Q4
27,290
0
0
0.0
2002 Q3
28,375
26
6
916.3
2002 Q2
24,943
38
9
1523.5
2002 Q1
25,541
0
0
0.0
2001 Q4
24,064
0
0
0.0
2001 Q3
28,253
9
5
318.6
2001 Q2
22,342
0
0
0.0
2001 Q1
24,250
0
0
0.0
2000 Q4
13,647
0
0
0.0
2000 Q3
24,827
0
0
0.0
2000 Q2
19,594
18
4
918.6
2000 Q1
22,001
0
0
0.0
No fatalities recorded at this mine.
Reportable incidents
71 on file
2023 · 2 incidents
June 28, 2023CA · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techDISORDERS (REPEATED TRAUMA)
Employees were changing 8'x 24'screen. The counter weight was being heated and employee stepped forward to give instruction when the counter weight came loose and struck employee in the right leg.
2019 · 1 incident
June 21, 2019CA · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techMACHINERY
Employee was drilling a hole in conveyor belts to be used on a screen. The drill bit bound up while drilling and caused the drill to twist suddenly injuring the employee's wrist. Employee did not report the injury until 07/16/2019.
2014 · 2 incidents
October 30, 2014CA · Metal/Non-Metalbulldozer operator, universal operator, heavy equipment operator, operating engineerSLIP OR FALL OF PERSON
A scheduled blast at the quarry sent clay material north into the air damaging two homes. A hole was made in a garage wall in one home & a window broke in a second home. It appears that a clay seam occurred in the rock to be blasted. The clay seam went undetected. The blast blew out the side of the wall because of the presence of the clay sea, sending particles into the air.
2013 · 1 incident
September 3, 2013CA · Metal/Non-Metallaborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitmanHANDLING OF MATERIALS
Employee strained his back due to being bent over while welding.
2008 · 1 incident
June 11, 2008CA · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techEXPLODING VESSELS UNDER PRESSURE
Pressure had not been released from line, employee was loosening four bolts on hydraulic line when oil under high pressure sprayed him in both eyes and forehead.
2005 · 1 incident
July 18, 2005CA · Metal/Non-Metalwarehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operatorSLIP OR FALL OF PERSON
OPERATING HAMMER DRILL, DRILLING ON A CONCRETE CULBERT, EE WAS IN A SIDE WAYS POSITION WHEN HE FELT A SHARP PAIN IN HIS RIGHT GROIN AREA AS WELLAS HIS BACK ON THE RIGHT SIDE.
2001 · 2 incidents
December 26, 2001CA · Metal/Non-Metallaborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitmanHANDLING OF MATERIALS
OPERATOR HAS A BUNGY CORD ATTACHED TO CB RADIO MIKE TO KEEP IT FROM SWINGING INSIDE CAB OF LOADER. WHEN HE PULLED THE CORD TO TALK IT CAME LOOSE AND STRUCK HIM IN THE FACE BREAKING HIS GLASSES AND GETTING GLASS IN HIS EYE.
2000 · 1 incident
May 16, 2000CA · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDLING OF MATERIALS
WHILE STEPPING OFF THE CATWALK THE EE TWISTED HIS LEFT ANKLE ON UNEVEN GROUND BELOW
April 24, 1998CA · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDLING OF MATERIALS
THE EE WAS HOLDING THE RAM WITH RIGHT HAND TRYING TO LOCK IT WITH HIS LEFT HAND. HIS GLOVES WERE A LITTLE WET WHEN THE RAM SLIPPED. HE TRIED TO MOVE OUT OF THE WAY BUT THE RAM CAUGHT HIS THIRD LEFT FINGER.
1995 · 1 incident
September 26, 1995CA · Metal/Non-Metallaborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitmanPOWERED HAULAGE
HE WAS STANDING ON TOP OF A GYRASPHERE CRUSHER CHANGING THE BELTS, WHEN HE TOOK A STEP TO THE SIDE AND FELL 9" TO THE GROUND. HE LANDED ON HIS NECK AND SHOULDERS, FRACTURING HIS SPINE IN TWO P LACES.
January 3, 1994CA · Metal/Non-Metallaborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitmanHANDLING OF MATERIALS
THE EMPLOYEE WAS USING A AIR ARC TO CUT THE MANTEL LINER OFF THE 6614 CRUSHER. AS HE WAS CUTTING THE NORDBAK BECAME A LIQUID AND AIR FROM THE AIR ARC FORMED A BUBBLE. AFTER THE EMPLOYEE QUIT C UTTING AND LIFTED HIS WELDING HOOD TO CHECK HIS WORK THE NORDBAK STARTED TO COOL CAUSING THE BUBBLE TO BREAK AND SPLASHED INTO HIS FACE.
February 22, 1993CA · Metal/Non-Metallaborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitmanELECTRICAL
WHILE HE WENT TO THE ELECTRICAL BOX TO LOCK OUT THE POWER WITH A CLAMP HE PULLED THE SWITCH DOWN AND IT EXPLODED DUE TO THE FACT THAT THE CONVEYOR BELTS 7 AN D8 (6614 CRUSHER) WERE STILL RUNNI NG.
1992 · 3 incidents
October 2, 1992CA · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDLING OF MATERIALS
THE EMPLOYEE WAS REPLACING THE V-DRIVE BELT ON THE HEAD PULLY AND WHILE HE WAS ROLLING THE BELT OVER THE SHEAVE AND IN DOING SO HE CAUGHT HIS FINGER BETWEEN THE BELT AND THE SHEAVE. THE TIP O F HIS RIGHT INDEX FINGER WAS LACERATED.
September 22, 1992CA · Metal/Non-Metalwelder (shop)MACHINERY
EMPLOYEE WAS OPERATING A KOMATSU DOZER IN A TIGHT ROCKY AREA CONTINUOUS TWISTING AS HE WAS BACKING UP IN THE DOZER & WORKING ON A ROCKY SURFACE CAUSED HIM TO STRAIN HIS BACK
1991 · 5 incidents
November 6, 1991CA · Metal/Non-Metallaborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitmanHANDLING OF MATERIALS
November 28, 1990CA · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDLING OF MATERIALS
IN THE NORMAL COURSE OF HIS JOB DUTIES I NAME CLIMBS ONTO & OFF OF EQUIPMENT & SHOVELS MATERIAL HIS BACK BEGAN TO HURT WHILE ENGATGED IN THESE ACTIVITIES
August 9, 1990CA · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techMACHINERY
I.NAME WAS TRAINING ANOTHER EMPLOYEE IN OPERATION OF DRAGLINE. WAS STANDING IN CAGE BEHIND SEATED EMPLOYEE. INSTRUCTED EMPLOYEE TO SWING IN ONE DIRECTION AND WAS SWUNG IN OPPOSITE DIRECTION AN D JERKED FORWARD CAUSING STRAIN TO BACK.
February 20, 1990CA · Metal/Non-Metalbelt foreman, maintenance foreman, maintenance supervisorSLIP OR FALL OF PERSON
December 1, 1989CA · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techSTRIKING OR BUMPING
Canyon Rock Company · Caught in, under or between (Not Elsewhere Classified)
REPAIRING LOG WASHER OIL PAN, CAUGHT THUMB BETWEEN PAN AND GEAR.
For insurers, brokers, and safety consultants
The full compliance file on MISSION GORGE 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.