Mining Incidents

Black Spur Quarry: 152 MSHA citations Metal/Non-Metal

Uvalde, Uvalde County, TX  ·  Active
MSHA Mine ID: 4104159

Black Spur Quarry has $71K in proposed MSHA penalties and $0 outstanding across 7 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
17
Years on record
2001–2021
Latest incident
Dec 2021
Compliance record
MSHA citations since 2001
152
citations
22
significant & substantial
$71,306
proposed penalties
$61,853
paid to date
87% of proposed penalties paid to date, a $9,453 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
64
inspections on record
1,180
inspection hours
12.9
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.
152 citations across 1,180 inspection hours.
Source: MSHA inspections data, updated weekly.

Black Spur Quarry has $71K in proposed MSHA penalties and $0 outstanding across 7 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.
$71K
proposed penalties
$62K
current assessed
$62K
paid to date
$0
outstanding
150 assessments are final orders; 7 contested dockets.
Of $20K in penalties contested before the Commission, $6K was upheld in final decisions.
As of the most recent assessment on 2026-04-20.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Violation severity profile
Shares are computed over citations that carry the MSHA gravity and negligence coding; a small share of records are uncoded.
14.6%
significant & substantial
11.9%
high negligence or reckless
14.6%
reasonably likely or greater
35.8%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 7.9% low, 80.1% moderate, 11.9% high, 0.0% reckless.
Source: MSHA violations gravity and negligence coding, updated weekly.
When citations were contested
Contesting a citation before the Federal Mine Safety and Health Review Commission is a lawful right. These figures state the public outcomes of that process, from MSHA's Contested Violations file.
22 citations taken to the federal commission · 14% of citations on record
  • Settled 17 · 77%
  • Vacated or withdrawn 5 · 23%
45%
S&S designation survived the contest
Counts a Significant & Substantial citation as surviving when a settlement or judge's decision kept the designation, or the contest was dismissed or defaulted so the citation stands as issued. Vacated and withdrawn citations, and settlements that removed the designation, count against.
of 11 decided S&S contests · industry: 79%
68%
Penalty reduction in decided contests
$20K proposed, $6K after decisions · industry: 39%
Source: MSHA Contested Violations file (public record), updated weekly. A dismissed or defaulted contest leaves the citation standing as issued; a vacated or withdrawn citation is removed from the violation record. Latest contest filed 2018-02-22.
Contested penalties
A reduction or dismissal at the Commission is a lawful outcome of contesting a proposed penalty. Figures are the proposed amount and the amount upheld in the docket's decision.
Largest penalties this mine contested before the Federal Mine Safety and Health Review Commission, with the outcome on record.
Docket Decision Judge Year Proposed / upheld
CENT 2009-407M Settlement Lesnick 2010 $12K → $3K
CENT 2015-0096 Withdrawal Miller 2015 $3K → $0
CENT 2015-0097 Settlement Miller 2015 $3K → $1K
CENT 2018-0181 Settlement Miller 2018 $1K → $472
CENT 2014-0377 Settlement Lesnick 2014 $499 → $499
CENT 2015-0127 Settlement Miller 2015 $499 → $499
Source: FMSHRC civil penalty dockets and decisions (public record), updated weekly.
Health sampling
A sample is a point in time compliance measurement, not an individual exposure history. These figures describe MSHA sampling records and do not establish causation or personal dose.

Metal and nonmetal contaminants (personal samples)
Many samples are screening measurements of substances with no applicable exposure limit; they are counted as samples but excluded from every over-limit figure. Over-limit shares use only limit-tested samples.

Last sampled: 2025-03-26
0%
of limit-tested samples over the exposure limit
23
samples
10
limit-tested
Most sampled contaminants
  • Quartz, respirable, >1% Qtz7
  • Unlisted Particulate, respirable, <1% Qtz6
  • Nuisance dust, respirable, <1% Qtz5
  • Respirable dust, <.1mg5
Show the individual readings (23)
Date Contaminant Concentration Limit Conc / limit Occupation
2025-03-26 Quartz, respirable, >1% Qtz 0.4 Laborer, Bullgang
2025-03-26 Respirable dust, <.1mg 0 Laborer, Bullgang
2022-11-30 Respirable dust, <.1mg 0 Building Repair/Maint.
2022-11-30 Unlisted Particulate, respirable, <1% Qtz 1.2 Building Repair/Maint.
2022-11-30 Unlisted Particulate, respirable, <1% Qtz 0.85 Building Repair/Maint.
2022-11-30 Quartz, respirable, >1% Qtz 0.7 Building Repair/Maint.
2018-05-23 Nuisance dust, respirable, <1% Qtz 0.13 10 0.01 Welder, etc.
2018-05-23 Nuisance dust, respirable, <1% Qtz 0.28 10 0.03 Welder, etc.
2017-06-29 Quartz, respirable, >1% Qtz 0.39 1.08 0.36 Mechanic
2017-06-29 Respirable dust, <.1mg 0 Front-end Loader Operator
2015-12-02 Quartz, respirable, >1% Qtz 0.87 2.82 0.31 Dry Screen Plant Operator
2015-12-02 Respirable dust, <.1mg 0 Dry Screen Plant Operator
2011-11-16 Quartz, respirable, >1% Qtz 0.71 2.19 0.32 Dry Screen Plant Operator
2011-11-16 Nuisance dust, respirable, <1% Qtz 0.23 10 0.02 Mechanic
2011-11-16 Respirable dust, <.1mg 0 Front-end Loader Operator
2008-04-17 Nuisance dust, respirable, <1% Qtz 0.12 10 0.01 Front-end Loader Operator
2008-04-17 Nuisance dust, respirable, <1% Qtz 8.71 10 0.87 Dump Operator
2006-07-18 Quartz, respirable, >1% Qtz 0.68 2.4 0.28 Crusher Oper/Worker
2002-01-16 Unlisted Particulate, respirable, <1% Qtz 0.9 Mechanic
2002-01-16 Unlisted Particulate, respirable, <1% Qtz 0.14 Front-end Loader Operator
2002-01-16 Quartz, respirable, >1% Qtz 1.44 2.43 0.59 Truck Driver
2002-01-16 Unlisted Particulate, respirable, <1% Qtz 0.2 Truck Driver
2002-01-16 Unlisted Particulate, respirable, <1% Qtz 0.38 Front-end Loader Operator
Source: MSHA respirable dust, quartz, and noise sampling records, updated weekly. Metal/nonmetal contaminant figures come from MSHA's Personal Health Samples and Area Samples files (public record), updated weekly.

Black Spur Quarry recorded 0.00 reportable injury cases per 100 full-time workers in 2025.

Injury rate, 2025
This rate is reportable injury cases per 100 full-time-equivalent workers per year, computed as 200,000 times cases divided by MSHA operator-reported employee-hours. Cases are injuries MSHA graded degree 01 through 07; accident-only events that hurt no one are excluded, and so are contractor injuries, whose hours do not attach to a single mine. Rates begin in 2000, when quarterly employment reporting starts, and are withheld below 20,000 hours in a year.
0.00
total case rate
0.00
days-away rate
0.000
fatality rate
Below average. The US metal and nonmetal mining average was 1.65 and the all-US-mining average was 1.97 cases per 100 workers.
In Texas, metal and nonmetal mining averaged 1.17 cases per 100 workers that year.
Under 100,000 employee-hours were reported that year, so a single case moves the rate by two or more. Read the figure as approximate.
Year total case rate days-away fatal
2025 * 0.00 0.00 0.000
2024 * 0.00 0.00 0.000
2023 * 0.00 0.00 0.000
2022 * 0.00 0.00 0.000
2021 0.00 0.00 0.000
2020 * 13.54 0.00 0.000
2019 * 4.32 0.00 0.000
2018 * 0.00 0.00 0.000
* Fewer than 100,000 employee-hours that year; the rate is less stable.
Source: injury cases from MSHA accident and injury records; employee-hours from MSHA quarterly employment reports. Rate is cases per 100 full-time-equivalent workers, operator employees only.
Ownership history
  1. Smyth Mines Llp 2000 to 2002
  2. Martin Marietta Materials Southwest, Ltd. 2002 to 2007
  3. Martin Marietta Materials Southwest LLC 2007 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2026 26
2025 28
2024 34
2023 35
2022 32
2021 37
2020 11
2019 33
2018 35
2017 36
2016 30
2015 38
2014 22
2013 28
2012 22
2011 23
2010 23
2009 20
2008 18
2007 18
2006 12
2005 9
2004 15
2003 17
2002 14
2001 19
2000 7
Source: MSHA quarterly employment and production, updated weekly.

Black Spur Quarry sits in Uvalde County, Texas, where the Census mining category is 2.8% of county employment.

Local economic context
County figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.
Uvalde County, Texas · Population 24,810
2.8%
Mining share of county employment
$57,849
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
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
2026 Q2 14,975 2 0 133.6
2026 Q1 15,103 0 0 0.0
2025 Q4 12,504 0 0 0.0
2025 Q3 13,311 0 0 0.0
2025 Q2 18,240 0 0 0.0
2025 Q1 18,825 0 0 0.0
2024 Q4 17,392 0 0 0.0
2024 Q3 16,810 2 0 119.0
Show 97 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2024 Q2 22,848 0 0 0.0
2024 Q1 21,910 5 1 228.2
2023 Q4 23,308 0 0 0.0
2023 Q3 24,234 0 0 0.0
2023 Q2 22,690 0 0 0.0
2023 Q1 22,562 0 0 0.0
2022 Q4 20,472 1 0 48.8
2022 Q3 5,403 0 0 0.0
2022 Q2 22,498 1 0 44.4
2022 Q1 23,496 1 0 42.6
2021 Q4 33,266 0 0 0.0
2021 Q3 26,725 3 0 112.3
2021 Q2 24,521 0 0 0.0
2021 Q1 19,726 7 0 354.9
2020 Q4 7,902 0 0 0.0
2020 Q3 6,940 0 0 0.0
2020 Q2 7,739 3 0 387.6
2020 Q1 6,951 0 0 0.0
2019 Q4 24,612 2 0 81.3
2019 Q3 23,668 0 0 0.0
2019 Q2 22,134 4 0 180.7
2019 Q1 22,268 4 0 179.6
2018 Q4 23,143 0 0 0.0
2018 Q3 22,341 0 0 0.0
2018 Q2 21,396 3 0 140.2
2018 Q1 21,641 0 0 0.0
2017 Q4 21,259 3 0 141.1
2017 Q3 26,452 0 0 0.0
2017 Q2 26,048 9 2 345.5
2017 Q1 25,625 1 0 39.0
2016 Q4 18,852 0 0 0.0
2016 Q3 27,170 0 0 0.0
2016 Q2 8,313 5 0 601.5
2016 Q1 26,073 0 0 0.0
2015 Q4 28,448 6 2 210.9
2015 Q3 31,348 0 0 0.0
2015 Q2 31,568 2 0 63.4
2015 Q1 27,412 0 0 0.0
2014 Q4 25,911 5 0 193.0
2014 Q3 7,711 7 2 907.8
2014 Q2 7,001 0 0 0.0
2014 Q1 31,022 4 3 128.9
2013 Q4 24,627 0 0 0.0
2013 Q3 14,124 6 3 424.8
2013 Q2 19,157 0 0 0.0
2013 Q1 24,038 5 0 208.0
2012 Q4 19,923 0 0 0.0
2012 Q3 15,912 0 0 0.0
2012 Q2 14,021 3 1 214.0
2012 Q1 15,954 0 0 0.0
2011 Q4 14,099 3 0 212.8
2011 Q3 18,996 0 0 0.0
2011 Q2 17,837 1 0 56.1
2011 Q1 17,331 0 0 0.0
2010 Q4 18,159 1 0 55.1
2010 Q3 16,552 0 0 0.0
2010 Q2 16,794 6 3 357.3
2010 Q1 17,751 0 0 0.0
2009 Q4 15,719 4 1 254.5
2009 Q3 15,174 0 0 0.0
2009 Q2 13,297 1 1 75.2
2009 Q1 13,279 10 2 753.1
2008 Q4 14,545 0 0 0.0
2008 Q3 13,236 0 0 0.0
2008 Q2 14,076 12 0 852.5
2008 Q1 14,733 0 0 0.0
2007 Q4 15,772 3 0 190.2
2007 Q3 15,493 0 0 0.0
2007 Q2 14,972 0 0 0.0
2007 Q1 14,456 0 0 0.0
2006 Q4 12,116 0 0 0.0
2006 Q3 10,011 1 0 99.9
2006 Q2 8,480 0 0 0.0
2006 Q1 7,634 1 0 131.0
2005 Q4 6,276 0 0 0.0
2005 Q3 7,676 0 0 0.0
2005 Q2 6,280 0 0 0.0
2005 Q1 9,121 0 0 0.0
2004 Q4 7,674 0 0 0.0
2004 Q3 9,609 0 0 0.0
2004 Q2 10,916 0 0 0.0
2004 Q1 9,791 1 0 102.1
2003 Q4 10,549 0 0 0.0
2003 Q3 13,274 0 0 0.0
2003 Q2 11,089 0 0 0.0
2003 Q1 12,036 3 0 249.3
2002 Q4 10,288 0 0 0.0
2002 Q3 12,136 1 0 82.4
2002 Q2 4,621 0 0 0.0
2002 Q1 10,220 0 0 0.0
2001 Q4 13,070 0 0 0.0
2001 Q3 19,198 0 0 0.0
2001 Q2 16,332 0 0 0.0
2001 Q1 8,085 2 0 247.4
2000 Q4 5,539 0 0 0.0
2000 Q3 6,328 0 0 0.0
2000 Q2 878 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

17 on file

2021 · 1 incident

December 8, 2021 TX · Metal/Non-Metal carpenter HANDLING OF MATERIALS
Martin Marietta Materials Southwest LLC · Struck by... (Not Elsewhere Classified)

Conditions were dry, and clear. Poor hand placement while wrecking concrete footing forms. Laceration to the employees right hand was approximately an inch in length and approximately half an inch deep.

2020 · 2 incidents

April 21, 2020 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech POWERED HAULAGE
Martin Marietta Materials Southwest LLC · Struck against a moving object

EE was traversing the manlift and hit a bumpy spot and bounced up and came down on right leg while fully extended causing pain.

2019 · 2 incidents

August 15, 2019 TX · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON

EE had clocked out at the end of shift and was exiting the building via stairs. It had recently rained and the EE slipped and fell. Bruising the left triceps and left mid-back.

June 26, 2019 TX · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer POWERED HAULAGE
Martin Marietta Materials Southwest LLC · Struck by falling object

Rock rolled back off of conveyor and struck employee's gloved hand causing a fracture to EE's pinky finger

2017 · 2 incidents

June 12, 2017 TX · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator OTHER
Martin Marietta Materials Southwest LLC · Bodily reaction, (Not Elsewhere Classified)

Employee ran to activate stop button on conveyor as EE saw it choking up. Noticed back hurting afterwards.

2015 · 2 incidents

October 8, 2015 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Martin Marietta Materials Southwest LLC · Struck by... (Not Elsewhere Classified)

Employee hit tip of finger with a hammer while seating a bearing on equipment. Gloves were in use. Accident was treated as a first aid until 10/15/2015 when infection set in and he was taken for a higher level of care. Employee is restricted with use of left hand.

August 28, 2015 TX · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Martin Marietta Materials Southwest LLC · Struck against a moving object

Employee was being loaded and the truck shook. As material was being placed in the truck the employee was looking out his side mirror and says he felt his neck pop. Employee has a stiff neck.

2014 · 2 incidents

May 17, 2014 TX · Metal/Non-Metal outside foreman, leadman HANDLING OF MATERIALS
Martin Marietta Materials Southwest LLC · Caught in, under or between a moving and a stationary object

Employee was cleaning the bottom hopper when the flowing material forced the hatch open pinning employee's leg to the railing which made a small cut on his left leg.

April 23, 2014 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Martin Marietta Materials Southwest LLC · Contact with hot objects or substances

Employee accidentally pulled the trigger for the torch while cleaning the tip of it with his glove, burning some of his finger on his left hand.

2011 · 1 incident

April 18, 2011 TX · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDTOOLS (NONPOWERED)
Martin Marietta Materials Southwest LLC · Over-exertion (Not Elsewhere Classified)

Employee was unchocking cone crusher with a pry bar and as he lifted the pry bar to reposition it, he felt a sharp pain in his back resulting in a lower and upper back strain.

2010 · 1 incident

February 27, 2010 TX · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Martin Marietta Materials Southwest LLC · Fall to the walkway or working surface

Employee was fueling a welder on a maintenance truck. He was fueling it with a gas can and when he went to fuel it he slipped and injured his knee as he fell.

2009 · 3 incidents

August 1, 2009 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Martin Marietta Materials Southwest LLC · Struck by flying object

Employee was removing a panel to do maintenance on a bearing. While doing so the employee used a small sledge hammer against a chipping hammer to remove the panel. A piece of metal came off of the chipping hammer and became imbedded in the employee's hand.

June 17, 2009 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Martin Marietta Materials Southwest LLC · Over-exertion in pulling or pushing objects

EE was laying on rear tire to remove access panel. After removing bolts from panel, he jerked on the panel to remove it and heard a pop in his right elbow and felt pain.

April 3, 2009 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Martin Marietta Materials Southwest LLC · Fall to the walkway or working surface

Employee was changing bolts on the crusher and finished on one side and went to work on the other and slipped. Employee injured left shoulder when he slipped and tried to grab himself.

2001 · 1 incident

January 19, 2001 TX · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Smyth Mines Llp · Caught in, under or between (Not Elsewhere Classified)

EE PUT HIS FOOT UNDE ROTOR BEING TIGHTENED UNKNOWINGLY WHEN COWORKER TIGHTENED THE BOLTS MOVING ROTOR TO NEXT BOLT AND PINCHED EE'S FOOT JUST BEHIND THE STEEL TOE IN HIS BOOT.