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Big Springs Quarry: 24 MSHA citations Metal/Non-Metal

Mineola, Montgomery County, MO  ·  Intermittent
MSHA Mine ID: 2300951

Big Springs Quarry has $4K in proposed MSHA penalties and $0 outstanding across 4 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
3
Years on record
2011–2012
Latest incident
Sep 2012
Compliance record
MSHA citations since 2011
24
citations
12
significant & substantial
$3,630
proposed penalties
$3,564
paid to date
98% of proposed penalties paid to date, a $66 gap.
Source: MSHA violations data, updated weekly.
See Martin Marietta Materials, Inc.'s full MSHA compliance history →
Inspection activity
MSHA inspections since 2011
31
inspections on record
287
inspection hours
n/a
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.
Rate withheld: 287 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Big Springs Quarry has $4K in proposed MSHA penalties and $0 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.
$4K
proposed penalties
$4K
current assessed
$4K
paid to date
$0
outstanding
24 assessments are final orders; 4 contested dockets.
Of $1K in penalties contested before the Commission, $1K was upheld in final decisions.
As of the most recent assessment on 2023-02-22.
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.
50.0%
significant & substantial
4.2%
high negligence or reckless
50.0%
reasonably likely or greater
62.5%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 20.8% low, 75.0% moderate, 4.2% 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.
8 citations taken to the federal commission · 33% of citations on record
  • Settled 8 · 100%
100%
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 3 decided S&S contests · industry: 79%
6%
Penalty reduction in decided contests
$1K proposed, $1K 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 2018-01-18.
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 2016-0210 Settlement McCarthy 2016 $338 → $338
CENT 2018-0123 Settlement Lesnick 2018 $330 → $264
CENT 2015-0538 Settlement Lesnick 2015 $300 → $300
CENT 2014-0322 Settlement Lesnick 2015 $100 → $100
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: 2020-09-02, 5 years ago
0%
of limit-tested samples over the exposure limit
15
samples
10
limit-tested
Most sampled contaminants
  • Quartz, respirable, >1% Qtz7
  • Respirable dust, <.1mg5
  • Nuisance dust, respirable, <1% Qtz3
Show the individual readings (15)
Date Contaminant Concentration Limit Conc / limit Occupation
2020-09-02 Respirable dust, <.1mg 0 Truck Driver
2020-09-02 Respirable dust, <.1mg 0 Front-end Loader Operator
2020-09-02 Respirable dust, <.1mg 0 Front-end Loader Operator
2017-09-13 Nuisance dust, respirable, <1% Qtz 0.23 10 0.02 Supervisor, Co. Official
2017-09-13 Respirable dust, <.1mg 0 Front-end Loader Operator
2017-09-13 Quartz, respirable, >1% Qtz 0.33 1.64 0.20 Front-end Loader Operator
2017-09-13 Nuisance dust, respirable, <1% Qtz 0.15 10 0.02 Front-end Loader Operator
2015-04-23 Quartz, respirable, >1% Qtz 0.52 2.19 0.24 Truck Driver
2015-04-23 Quartz, respirable, >1% Qtz 0.35 2.67 0.13 Front-end Loader Operator
2015-04-23 Quartz, respirable, >1% Qtz 1.02 1.82 0.56 Front-end Loader Operator
2015-04-23 Quartz, respirable, >1% Qtz 0.63 1.77 0.36 Crusher Oper/Worker
2012-03-28 Quartz, respirable, >1% Qtz 1.32 2.01 0.66 Truck Driver
2012-03-28 Nuisance dust, respirable, <1% Qtz 0.25 10 0.03 Truck Driver
2012-03-28 Quartz, respirable, >1% Qtz 1.01 2.09 0.48 Dry Screen Plant Operator
2012-03-28 Respirable dust, <.1mg 0 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.
Ownership history
  1. Big Spring Quarries 1950 to 1981
  2. Mid-Missouri Limestone, Inc 1981 to 2018
  3. Con-Agg Companies, LLC 2018 to 2026
  4. Martin Marietta Materials, Inc. 2026 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2026 1
2025 1
2024 1
2023 1
2022 1
2021 1
2020 2
2019 2
2018 2
2017 3
2016 1
2015 4
2014 4
2013 2
2012 5
2011 8
Source: MSHA quarterly employment and production, updated weekly.

Big Springs Quarry sits in Montgomery County, Missouri, where the Census mining category is 0.4% 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.
Montgomery County, Missouri · Population 11,422
0.4%
Mining share of county employment
$61,042
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 576 0 0 0.0
2026 Q1 52 0 0 0.0
2025 Q4 514 0 0 0.0
2025 Q3 508 0 0 0.0
2025 Q2 588 0 0 0.0
2025 Q1 419 0 0 0.0
2024 Q4 514 0 0 0.0
2024 Q3 536 0 0 0.0
Show 54 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2024 Q2 488 0 0 0.0
2024 Q1 532 0 0 0.0
2023 Q4 527 0 0 0.0
2023 Q3 600 0 0 0.0
2023 Q2 601 0 0 0.0
2023 Q1 524 1 0 1908.4
2022 Q4 490 0 0 0.0
2022 Q3 541 0 0 0.0
2022 Q2 630 0 0 0.0
2022 Q1 536 1 0 1865.7
2021 Q4 603 0 0 0.0
2021 Q3 585 0 0 0.0
2021 Q2 676 0 0 0.0
2021 Q1 688 0 0 0.0
2020 Q4 756 0 0 0.0
2020 Q3 726 0 0 0.0
2020 Q2 1,636 0 0 0.0
2020 Q1 1,549 0 0 0.0
2019 Q4 1,875 0 0 0.0
2019 Q3 1,919 4 3 2084.4
2019 Q2 1,171 0 0 0.0
2019 Q1 572 0 0 0.0
2018 Q4 496 0 0 0.0
2018 Q3 574 0 0 0.0
2018 Q2 880 0 0 0.0
2018 Q1 1,247 0 0 0.0
2017 Q4 1,822 1 1 548.8
2017 Q3 1,333 0 0 0.0
2017 Q2 575 0 0 0.0
2017 Q1 619 0 0 0.0
2016 Q4 571 0 0 0.0
2016 Q3 585 0 0 0.0
2016 Q2 873 0 0 0.0
2016 Q1 592 0 0 0.0
2015 Q4 2,616 5 3 1911.3
2015 Q3 2,085 0 0 0.0
2015 Q2 1,912 3 1 1569.0
2015 Q1 582 0 0 0.0
2014 Q4 540 0 0 0.0
2014 Q3 565 0 0 0.0
2014 Q2 5,421 0 0 0.0
2014 Q1 2,389 3 1 1255.8
2013 Q4 559 0 0 0.0
2013 Q3 558 1 1 1792.1
2013 Q2 889 0 0 0.0
2013 Q1 1,297 0 0 0.0
2012 Q4 676 0 0 0.0
2012 Q3 912 0 0 0.0
2012 Q2 5,806 0 0 0.0
2012 Q1 2,549 4 1 1569.2
2011 Q4 2,858 0 0 0.0
2011 Q3 3,440 1 1 290.7
2011 Q2 8,746 0 0 0.0
2011 Q1 4,260 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

3 on file

2012 · 2 incidents

September 5, 2012 MO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Mid-Missouri Limestone, Inc · Over-exertion (Not Elsewhere Classified)

Stepping off ladder and twisted ankle.

March 7, 2012 MO · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator FALLING/SLIDING/ROLLING MATERIALS
Mid-Missouri Limestone, Inc · Struck by rolling or sliding object

Employee exited loader to inspect shot rock pile, rock rolled from pile and impacted right ankle.

2011 · 1 incident