Mining Incidents

Lonestar Prospects, Ltd.: 167 MSHA citations Metal/Non-Metal

Kermit, Winkler County, TX  ·  Active
MSHA Mine ID: 4105329

Lonestar Prospects, Ltd. has $81K in proposed MSHA penalties and $5K outstanding across 8 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
16
Years on record
2018–2026
Latest incident
May 2026
Compliance record
MSHA citations since 2018
167
citations
36
significant & substantial
$80,581
proposed penalties
$48,862
paid to date
61% of proposed penalties paid to date, a $31,719 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2018
35
inspections on record
1,238
inspection hours
13.5
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.
167 citations across 1,238 inspection hours.
Source: MSHA inspections data, updated weekly.
Imminent-danger orders
A Section 107(a) order removes miners from an area when an inspector finds an imminent danger. Each order is lifted once the condition is corrected, so this counts orders issued, not orders now in effect.
1
Section 107(a) orders
Most recent order: 2018-08-08.
On record since 2018.
Source: MSHA imminent-danger order records, updated weekly.

Lonestar Prospects, Ltd. has $81K in proposed MSHA penalties and $5K 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.
$81K
proposed penalties
$54K
current assessed
$49K
paid to date
$5K
outstanding
162 assessments are final orders; 8 contested dockets.
Of $45K in penalties contested before the Commission, $11K was upheld in final decisions.
As of the most recent assessment on 2026-06-05.
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.
21.7%
significant & substantial
3.0%
high negligence or reckless
21.7%
reasonably likely or greater
33.7%
permanently disabling or fatal if injury occurs
Negligence coding: 0.6% none, 6.0% low, 90.4% moderate, 3.0% 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.
33 citations taken to the federal commission · 20% of citations on record
  • Settled 19 · 58%
  • Vacated or withdrawn 10 · 30%
  • Still open 4 · 12%
26%
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 19 decided S&S contests · industry: 79%
75%
Penalty reduction in decided contests
$45K proposed, $11K 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 2026-08-06.
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 2019-0048 Settlement Manning 2019 $14K → $2K
CENT 2018-0465 Settlement Miller 2019 $13K → $5K
CENT 2025-0072 Vacate McCarthy 2025 $10K → $2K
CENT 2019-0163 Settlement Manning 2019 $6K → $2K
CENT 2025-0241 Settlement Simonton 2025 $2K → $396
CENT 2026-0007 Settlement Simonton 2026 $1K → $732
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: 2020-02-19, 6 years ago
0%
of limit-tested samples over the exposure limit
10
samples
1
limit-tested
Most sampled contaminants
  • Respirable dust, <.1mg6
  • Quartz, respirable, >1% Qtz4
Show the individual readings (10)
Date Contaminant Concentration Limit Conc / limit Occupation
2020-02-19 Respirable dust, <.1mg 0 Cleanup Man
2020-02-19 Respirable dust, <.1mg 0 Cleanup Man
2020-02-19 Quartz, respirable, >1% Qtz 0.2 Cleanup Man
2020-02-19 Respirable dust, <.1mg 0 Dry Screen Plant Operator
2020-02-19 Respirable dust, <.1mg 0 Truck Loader
2018-08-01 Quartz, respirable, >1% Qtz 0.42 1.23 0.34 Dry Screen Plant Operator
2018-08-01 Respirable dust, <.1mg 0 Truck Loader
2018-08-01 Respirable dust, <.1mg 0 Washer Operator
2018-08-01 Quartz, respirable, >1% Qtz 0.33 Dry Screen Plant Operator
2018-08-01 Quartz, respirable, >1% Qtz 0.21 Dry Screen Plant 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.

Lonestar Prospects, Ltd. 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 1.10 1.10 0.000
2023 0.00 0.00 0.000
2022 1.85 0.93 0.000
2021 1.45 1.45 0.000
2020 * 7.01 0.00 0.000
2019 1.12 0.56 0.000
2018 2.23 1.49 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. Vista Proppants and Logistics 2018 to 2020
  2. V SandCo, LLC 2020 to 2022
  3. Lonestar Prospects, Ltd. 2022 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2026 37
2025 48
2024 76
2023 122
2022 99
2021 56
2020 23
2019 160
2018 133
Source: MSHA quarterly employment and production, updated weekly.

Lonestar Prospects, Ltd. sits in Winkler County, Texas, where the Census mining category is 17.6% 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.
Winkler County, Texas · Population 7,540
17.6%
Mining share of county employment
$91,898
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 19,124 8 2 418.3
2026 Q1 21,254 9 7 423.4
2025 Q4 23,485 0 0 0.0
2025 Q3 18,780 4 2 213.0
2025 Q2 19,292 0 0 0.0
2025 Q1 22,271 4 1 179.6
2024 Q4 20,468 0 0 0.0
2024 Q3 38,799 4 0 103.1
Show 26 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2024 Q2 57,093 9 1 157.6
2024 Q1 65,070 0 0 0.0
2023 Q4 77,427 0 0 0.0
2023 Q3 62,804 5 0 79.6
2023 Q2 77,204 0 0 0.0
2023 Q1 62,269 1 0 16.1
2022 Q4 68,870 0 0 0.0
2022 Q3 54,997 3 0 54.5
2022 Q2 50,374 21 3 416.9
2022 Q1 41,921 0 0 0.0
2021 Q4 40,798 0 0 0.0
2021 Q3 35,916 7 2 194.9
2021 Q2 41,600 0 0 0.0
2021 Q1 19,890 0 0 0.0
2020 Q4 10,140 5 1 493.1
2020 Q3 7,800 0 0 0.0
2020 Q2 7,336 0 0 0.0
2020 Q1 31,770 13 1 409.2
2019 Q4 68,989 0 0 0.0
2019 Q3 91,724 15 3 163.5
2019 Q2 84,972 2 1 23.5
2019 Q1 111,161 15 4 134.9
2018 Q4 90,154 2 0 22.2
2018 Q3 88,879 13 5 146.3
2018 Q2 51,834 0 0 0.0
2018 Q1 37,782 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

16 on file

2026 · 1 incident

May 6, 2026 TX · Metal/Non-Metal dry screening plant operator, screen house operator HANDTOOLS (NONPOWERED)
Lonestar Prospects, Ltd. · Over-exertion (Not Elsewhere Classified)

Employee was in the process of tightening a belt on a conveyor. When the employee finished tightening the belt, they made a comment their hip felt uncomfortable to their supervisor. The employee notified the safety department on June 17th (6 weeks later) that their back was hurting and they had already received an MRI and Cat Scan.

2024 · 1 incident

February 17, 2024 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Lonestar Prospects, Ltd. · Fall to the walkway or working surface

The employee was in the process of replacing pump packing at the Wet Plant Pad 4. When returning from truck with packing the employee stepped down from a concrete retaining curb and took approximately 3 steps and lost their balance. The employee slipped on the concrete pad and landed awkwardly on their leg. This resulted in the employee breaking their lower right leg.

2022 · 2 incidents

December 3, 2022 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Lonestar Prospects, Ltd. · Struck by falling object

The miner opened a new can of welding rods but did not remove the lid completely. EE then carried the container to the bed of the truck, as EE sat the container down it started to tip over. The miner tried to move EE's hand away from the container causing a laceration on EE's right palm requiring sutures. Miner was not wearing gloves at the time of incident.

February 27, 2022 TX · Metal/Non-Metal dry screening plant operator, screen house operator HANDLING OF MATERIALS
V SandCo, LLC · Fall onto or against objects

Miner was carrying a cardboard box of trash to place in pickup truck bed. Miner lost footing and fell into the tailgate of the pickup.

2021 · 1 incident

November 9, 2021 TX · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman POWERED HAULAGE
V SandCo, LLC · Caught in, under or between a moving and a stationary object

While operating a mini track loader in reverse, looking in the direction of travel, EE made contact with EE's right ankle against a structural I-beam. EE's right foot was positioned beyond the protective bounds of the machine's foot platform. Resulting injury is a fractured medial malleolus of the right ankle.

2020 · 2 incidents

February 11, 2020 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Vista Proppants and Logistics · Over-exertion in lifting objects

EE was lowering self down from the structure below the goodfellow screen. EE felt pain in the left shoulder. EE and the supervisor reported the next day. First aid was administered. On 02/20/2020 EE requested to see a doctor. Prescribed 2 RX Meds. and light duty until 02/26/2020. The incident became reportable then.

January 16, 2020 TX · Metal/Non-Metal electrician, lineman SLIP OR FALL OF PERSON
Vista Proppants and Logistics · Fall onto or against objects

EE tripped and hit leg on retaining wall causing a contusion. First aid was provided. EE worked the next 5 shifts. On 1/22/20 EE requested to see a doctor. Cellulitis was diagnosed and antibiotics prescribed. Restricted from work for the remainder of the day.

2019 · 2 incidents

December 10, 2019 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Vista Proppants and Logistics · Rubbed or abraded

EE was working on the primary main hopper grizzly. EE believes metal dust fell into eye. EE rubbed the eye. EE was taken to the Optometrist. Doctor removed a metal flake from right eye. Antibiotic drops were prescribed. Doctor gave full release for return to work.

May 10, 2019 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Vista Proppants and Logistics · Struck by falling object

Employee was helping carry an oxygen cylinder when it slipped from their grasp and landed on their left foot just above the steel toe. Next day they couldn't put the safety boot on due to swelling.

2018 · 7 incidents

November 12, 2018 TX · Metal/Non-Metal electrician helper MACHINERY
Vista Proppants and Logistics · Caught in, under or between running or meshing objects

Employee was working on a manlift crimping wire compression lugs with a battery operated crimper, tool slipped employee reached for it accidentally pressing the trigger with EE's left hand and getting EE's RT index finger caught in between causing a 1" laceration to the inside of EE's RT index finger.

June 28, 2018 TX · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Vista Proppants and Logistics · Struck by falling object

EE was under dozer splice at Primary when a foreign object became lodged in left eye.

June 15, 2018 TX · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant SLIP OR FALL OF PERSON
Vista Proppants and Logistics · Fall to lower level, (Not Elsewhere Classified)

During inspection employee fell through a door (7-8 feet) causing fractures in left leg.

May 10, 2018 TX · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Vista Proppants and Logistics · Absorption of radiations, caustics, toxic and noxious substances

EE flushing a (lime) line with water. EE loosened the clamp on the hose, stepped to the side, tapped, & the line broke free spraying the EE with hydrated lime. EE was treated at the facility. EE requested professional advice on 5/11/2018 and as a precaution the EE was issued a prescription to avert potential infection.

March 28, 2018 TX · Metal/Non-Metal master mechanic, foreman, supervisor HANDLING OF MATERIALS
Vista Proppants and Logistics · Caught in, under or between a moving and a stationary object

Employees were removing a conveyor belt from a conveyor that had been locked out. An employee's gloved hand became caught between the pulley and the belt causing a tuft fracture of the left index finger.

March 5, 2018 TX · Metal/Non-Metal plumber, pipefitter, millwright SLIP OR FALL OF PERSON
Vista Proppants and Logistics · Fall onto or against objects

Employee slipped and stopped self from falling by bracing self against the kiln wall. EE's left arm struck the kiln wall causing a fractured humerus.

March 2, 2018 TX · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Vista Proppants and Logistics · Struck by flying object

The employee was struck by a hose. The employee received a minor abrasion to the bridge of EE's nose and an alleged concussion as a result of the incident.