Greenhill Materials has $112K in proposed MSHA penalties and $0 outstanding across 8 contested dockets, plus health sampling and the full incident record.
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Fatalities
0
Total incidents
14
Years on record
2000–2026
Latest incident
Jun 2026
Compliance record
MSHA citations since 2001
256
citations
74
significant & substantial
$112,027
proposed penalties
$103,261
paid to date
92% of proposed penalties paid to date, a $8,766 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
91
inspections on record
1,520
inspection hours
16.8
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.
256 citations across 1,520 inspection hours.
Source: MSHA inspections data, updated weekly.
Greenhill Materials has $112K in proposed MSHA penalties and $0 outstanding across 8 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.
$112K
proposed penalties
$103K
current assessed
$103K
paid to date
$0
outstanding
255 assessments are final orders; 8 contested dockets.
As of the most recent assessment on 2026-04-07.
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
25,817
0
0
0.0
2025 Q3
22,346
0
0
0.0
2025 Q2
25,960
6
0
231.1
2025 Q1
20,208
18
2
890.7
2024 Q4
18,240
0
0
0.0
2024 Q3
21,440
1
1
46.6
2024 Q2
19,160
0
0
0.0
2024 Q1
21,648
13
1
600.5
Show 96 earlier quartersHide earlier quarters
Quarter
Hours worked
Citations
S&S
Per 1M hrs
2023 Q4
20,374
0
0
0.0
2023 Q3
18,303
0
0
0.0
2023 Q2
20,460
3
0
146.6
2023 Q1
19,740
1
1
50.7
2022 Q4
19,240
1
0
52.0
2022 Q3
19,340
5
1
258.5
2022 Q2
18,717
0
0
0.0
2022 Q1
18,970
4
0
210.9
2021 Q4
19,620
0
0
0.0
2021 Q3
20,146
0
0
0.0
2021 Q2
19,680
4
0
203.3
2021 Q1
19,534
0
0
0.0
2020 Q4
17,715
2
2
112.9
2020 Q3
17,120
0
0
0.0
2020 Q2
17,862
2
1
112.0
2020 Q1
17,489
0
0
0.0
2019 Q4
17,507
4
1
228.5
2019 Q3
18,285
2
0
109.4
2019 Q2
20,185
0
0
0.0
2019 Q1
14,933
6
1
401.8
2018 Q4
15,566
0
0
0.0
2018 Q3
20,065
4
1
199.4
2018 Q2
20,582
0
0
0.0
2018 Q1
17,680
0
0
0.0
2017 Q4
18,207
5
3
274.6
2017 Q3
19,876
0
0
0.0
2017 Q2
19,946
5
2
250.7
2017 Q1
21,201
2
0
94.3
2016 Q4
18,625
0
0
0.0
2016 Q3
19,277
4
1
207.5
2016 Q2
21,117
0
0
0.0
2016 Q1
17,013
12
2
705.3
2015 Q4
20,572
0
0
0.0
2015 Q3
21,484
0
0
0.0
2015 Q2
23,089
6
4
259.9
2015 Q1
21,526
0
0
0.0
2014 Q4
19,706
3
0
152.2
2014 Q3
18,069
7
2
387.4
2014 Q2
16,999
0
0
0.0
2014 Q1
3,855
9
2
2334.6
2013 Q4
18,404
2
1
108.7
2013 Q3
22,968
0
0
0.0
2013 Q2
17,136
7
3
408.5
2013 Q1
18,178
0
0
0.0
2012 Q4
15,746
5
2
317.5
2012 Q3
13,656
6
3
439.4
2012 Q2
29,022
0
0
0.0
2012 Q1
32,146
6
2
186.6
2011 Q4
27,094
0
0
0.0
2011 Q3
31,602
1
1
31.6
2011 Q2
37,354
6
4
160.6
2011 Q1
21,281
8
3
375.9
2010 Q4
17,092
0
0
0.0
2010 Q3
21,175
0
0
0.0
2010 Q2
18,014
7
4
388.6
2010 Q1
14,089
3
0
212.9
2009 Q4
10,133
0
0
0.0
2009 Q3
11,661
5
0
428.8
2009 Q2
11,254
0
0
0.0
2009 Q1
11,719
0
0
0.0
2008 Q4
4,578
2
1
436.9
2008 Q3
9,427
3
0
318.2
2008 Q2
8,351
2
1
239.5
2008 Q1
9,174
0
0
0.0
2007 Q4
9,232
6
0
649.9
2007 Q3
8,885
3
0
337.6
2007 Q2
9,759
0
0
0.0
2007 Q1
8,820
0
0
0.0
2006 Q4
7,723
3
1
388.5
2006 Q3
5,831
2
1
343.0
2006 Q2
9,112
3
0
329.2
2006 Q1
7,543
0
0
0.0
2005 Q4
6,471
1
0
154.5
2005 Q3
9,077
0
0
0.0
2005 Q2
5,168
5
0
967.5
2005 Q1
5,218
1
1
191.6
2004 Q4
4,335
5
2
1153.4
2004 Q3
6,205
0
0
0.0
2004 Q2
7,647
3
2
392.3
2004 Q1
4,860
0
0
0.0
2003 Q4
4,630
0
0
0.0
2003 Q3
4,780
3
0
627.6
2003 Q2
4,979
0
0
0.0
2003 Q1
3,107
3
1
965.6
2002 Q4
4,175
0
0
0.0
2002 Q3
4,676
2
1
427.7
2002 Q2
5,760
0
0
0.0
2002 Q1
5,163
0
0
0.0
2001 Q4
5,220
0
0
0.0
2001 Q3
5,327
11
9
2065.0
2001 Q2
5,754
8
2
1390.3
2001 Q1
5,235
0
0
0.0
2000 Q4
5,323
0
0
0.0
2000 Q3
8,272
0
0
0.0
2000 Q2
9,613
0
0
0.0
2000 Q1
4,058
0
0
0.0
No fatalities recorded at this mine.
Reportable incidents
14 on file
2026 · 1 incident
June 9, 2026OK · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDTOOLS (NONPOWERED)
employee was performing a prework inspection of a rotary crusher. while rotating the drum to each hammer EE's left hand became caught between the wall and hammer. resulting in fracture of EE's left pinky finger. referred to an orthopedic surgeon.
2023 · 1 incident
January 6, 2023OK · Metal/Non-Metalelectrician, linemanELECTRICAL
Electrician was checking voltage on new circuit breaker when it started making a noise and the started arching. When arching occurred there was a large flash causing 2nd degree burns to the electricians right thumb and forefinger. Electrician was treated and released back to work the same day.
2014 · 1 incident
October 3, 2014OK · Metal/Non-Metallaborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitmanHANDLING OF MATERIALS
The men were hoisting a 50hp electrical motor up to the 2nd level platform with a boom truck when the chains came loose from the motor causing the motor to come loose falling approx 4' smashing EE left foot
The employee was attempting to free up a curtain on a secondary crusher that had gotten hung up in the open position. The employee freed the curtain causing it to free fall smashing his left hand fifth finger
February 19, 2013OK · Metal/Non-Metalbulldozer operator, universal operator, heavy equipment operator, operating engineerHANDTOOLS (NONPOWERED)
The employee was removing steel anvils from a crusher ring using a #10 sledge hammer when the anvil shattered and a piece of it struck him in the forehead about an 1" above the left eye. The employee nor the foreman working beside him were wearing their PPE.
The operator backed into a concrete wing wall at the railcar loading ramp causing a puncture in the sidewall which resulted in the tire blowing out. The operator recieved a strain to her left thumb and wrist while firmly holding on to the steering wheel of her haul truck.
Employee was changing the oil on a rock truck and started to feel dizzy. Climbed into cab of oil truck to cool down and passed out. Employee was found unconscious and was taken to hospital. He was admitted overnight for observation.
2006 · 1 incident
April 13, 2006OK · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techOTHER
Foley Caterpillar mechanic while working on the exhaust system of a rock truck was observed by quarry personnel to take a break for shade and water. When next observed, the mechanic was lying down. The quarry personnel stopped to check mechanic; 911 was called. Health conditions determined heart failure.
DURING WET SURFACE CONDITIONS THE INJURED EMPLOYEE SLIPPED AND STRAINED THE LOWER LUMBAR PORTIONS OF HIS BACK. EMPLOYEE WAS ON LIMITED DUTY FOR 4 DAYS.
For insurers, brokers, and safety consultants
The full compliance file on Greenhill Materials
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.