Diamond Quarry has $102K in proposed MSHA penalties and $50K outstanding across 2 contested dockets, plus health sampling and the full incident record.
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Fatalities
0
Total incidents
5
Years on record
1989–2005
Latest incident
Mar 2005
Compliance record
MSHA citations since 2000
289
citations
83
significant & substantial
$102,201
proposed penalties
$45,359
paid to date
44% of proposed penalties paid to date, a $56,842 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
80
inspections on record
1,430
inspection hours
20.2
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.
289 citations across 1,430 inspection hours.
Source: MSHA inspections data, updated weekly.
Diamond Quarry has $102K in proposed MSHA penalties and $50K outstanding across 2 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.
$102K
proposed penalties
$95K
current assessed
$45K
paid to date
$50K
outstanding
276 assessments are final orders; 2 contested dockets.
As of the most recent assessment on 2025-10-20.
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
4,981
1
0
200.8
2025 Q3
4,741
0
0
0.0
2025 Q2
4,821
2
0
414.9
2025 Q1
3,449
0
0
0.0
2024 Q4
5,807
0
0
0.0
2024 Q3
4,448
0
0
0.0
2024 Q2
3,876
3
1
774.0
2024 Q1
2,501
0
0
0.0
Show 91 earlier quartersHide earlier quarters
Quarter
Hours worked
Citations
S&S
Per 1M hrs
2023 Q4
4,682
1
0
213.6
2023 Q3
4,348
7
0
1609.9
2023 Q2
3,426
0
0
0.0
2023 Q1
2,501
0
0
0.0
2022 Q4
3,322
0
0
0.0
2022 Q3
3,201
0
0
0.0
2022 Q2
2,996
3
0
1001.3
2022 Q1
2,701
0
0
0.0
2021 Q4
2,892
1
0
345.8
2021 Q3
3,375
0
0
0.0
2021 Q2
3,024
2
1
661.4
2021 Q1
2,537
0
0
0.0
2020 Q3
3,933
0
0
0.0
2020 Q2
3,330
0
0
0.0
2020 Q1
4,537
1
0
220.4
2019 Q4
4,968
0
0
0.0
2019 Q3
5,894
3
0
509.0
2019 Q2
4,954
0
0
0.0
2019 Q1
3,540
3
0
847.5
2018 Q4
5,177
2
0
386.3
2018 Q3
5,662
0
0
0.0
2018 Q2
4,900
8
1
1632.7
2018 Q1
4,438
0
0
0.0
2017 Q4
5,174
20
10
3865.5
2017 Q3
4,523
10
2
2210.9
2017 Q2
3,496
0
0
0.0
2017 Q1
2,145
4
1
1864.8
2016 Q4
5,085
0
0
0.0
2016 Q3
5,344
11
2
2058.4
2016 Q2
5,000
0
0
0.0
2016 Q1
3,115
0
0
0.0
2015 Q4
3,727
1
0
268.3
2015 Q3
3,753
7
2
1865.2
2015 Q2
3,729
0
0
0.0
2015 Q1
2,246
7
0
3116.7
2014 Q4
2,985
0
0
0.0
2014 Q3
2,372
0
0
0.0
2014 Q2
1,633
0
0
0.0
2014 Q1
0
3
0
2013 Q3
2,369
2
1
844.2
2013 Q2
2,037
0
0
0.0
2013 Q1
1,502
0
0
0.0
2012 Q4
2,239
0
0
0.0
2012 Q3
2,745
12
2
4371.6
2012 Q2
3,129
30
10
9587.7
2012 Q1
2,500
0
0
0.0
2011 Q4
2,724
0
0
0.0
2011 Q2
2,522
0
0
0.0
2011 Q1
345
0
0
0.0
2010 Q4
1,875
0
0
0.0
2010 Q3
2,503
0
0
0.0
2010 Q2
1,858
21
15
11302.5
2010 Q1
2,268
0
0
0.0
2009 Q4
4,292
0
0
0.0
2009 Q3
3,523
0
0
0.0
2009 Q2
4,278
2
0
467.5
2009 Q1
4,308
0
0
0.0
2008 Q4
3,388
0
0
0.0
2008 Q3
4,477
0
0
0.0
2008 Q2
5,393
7
1
1298.0
2008 Q1
2,725
0
0
0.0
2007 Q3
4,740
0
0
0.0
2007 Q2
3,782
0
0
0.0
2007 Q1
1,896
0
0
0.0
2006 Q4
3,143
0
0
0.0
2006 Q3
3,443
0
0
0.0
2006 Q2
3,259
1
0
306.8
2006 Q1
3,670
2
0
545.0
2005 Q3
9,037
8
2
885.2
2005 Q2
8,904
0
0
0.0
2005 Q1
7,925
14
5
1766.6
2004 Q4
7,510
0
0
0.0
2004 Q3
8,306
7
2
842.8
2004 Q2
8,435
0
0
0.0
2004 Q1
7,089
2
0
282.1
2003 Q4
7,364
3
1
407.4
2003 Q3
7,506
0
0
0.0
2003 Q2
6,825
5
0
732.6
2003 Q1
7,567
5
1
660.8
2002 Q4
6,638
0
0
0.0
2002 Q3
7,770
0
0
0.0
2002 Q2
1,716
7
2
4079.3
2002 Q1
5,347
0
0
0.0
2001 Q4
5,347
2
0
374.0
2001 Q3
6,608
3
0
454.0
2001 Q2
6,746
0
0
0.0
2001 Q1
5,962
5
1
838.6
2000 Q4
7,292
0
0
0.0
2000 Q3
7,300
0
0
0.0
2000 Q2
6,673
0
0
0.0
2000 Q1
4,772
22
11
4610.2
No fatalities recorded at this mine.
Reportable incidents
5 on file
2005 · 1 incident
March 30, 2005CA · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDLING OF MATERIALS
Sierra Rock · Over-exertion in pulling or pushing objects
EE WAS INSTALLING A HYDRAULIC HOSE ON A 560 LOADER. EE PULLED ON THE HOSE AND FELT PAIN IN HIS WRIST; HAD SLIGHT SWELLING IMMEDIATELY. EE DID NOT INFORM ANYONE UNITL FRIDAY, 4/1/05 & EE REFUSED TO SEE DOCTOR. ON MONDAY, 4/4/05, EE STILL COMPLAINED OF PAIN, BUT STILL REFUSED TO SEE DOCTOR. ON TUESDAY, 4/5/05, EE ASKED TO SEE DOCTOR. TAKEN TO DOCTOR 4/6/05.
EMPLOYEE STATES HE RAN OUT OF ACETYINE ON WELDING TRUCK WHILE WORKING ON PROJECT. TOOK OUT EMPTY TANK AND WENT TO LIFT IN A FULL ONE, ALONE. WHILE LIFTING, FELT PAIN IN LOWER BACK. DID NOT REPORT INJURY TO SAFETY COORDINATOR UNTIL AFTER NOON ON 10/22. CAME IN TO WORK ON 10/23. LEFT EARLY BECAUSE OF BACK PAIN. DID NOT COME IN 10/24. DR DIAGNOSED LOWER BACK MUSCLE STRAIN.
2002 · 1 incident
March 19, 2002CA · Metal/Non-Metalwarehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operatorHANDLING OF MATERIALS
WHILE EXITING HAUL TRUCK EMPLOYEE MISSED STEP WITH L FOOT, TURNED LOOSE OF HAND RAIL & FELL TO GROUND, LANDING ON HIS L SIDE. HE WAS ATTEMPTING TO CLIMB DOWN A LADDER IN FORWARD POSITION, INST EAD OF BACKWARDS. ACCIDENT RESULTED IN; BROKEN PELVIS, FRACTURED SHOULDER & E BROKEN RIBS. HAUL TRUCK WAS PARKED.
1989 · 1 incident
January 18, 1989CA · Metal/Non-Metaldrill operatorMACHINERY
HAD DRIFTER ALL THE WAY TO TOP OF DRILL CHANGING DRILL STEEL. CHAIN THAT DRIFTER RIDES ON BROKE. DRIFTER FELL, HITTING DRILL STEEL. DRILL STEEL FELL OVER KNOCKING HIM TO THE GROUND. IN THE FA LL HE FRACTURED HIS LEFT HIP.
For insurers, brokers, and safety consultants
The full compliance file on Diamond Quarry
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.