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Parkdale Quarry: 230 MSHA citations Metal/Non-Metal

Parkdale, Fremont County, CO  ·  Intermittent
MSHA Mine ID: 0504635

Parkdale Quarry has $83K in proposed MSHA penalties and $10K outstanding across 9 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
13
Years on record
1999–2021
Latest incident
Sep 2021
Compliance record
MSHA citations since 2000
230
citations
54
significant & substantial
$83,183
proposed penalties
$70,586
paid to date
85% of proposed penalties paid to date, a $12,597 gap.
Source: MSHA violations data, updated weekly.
See Martin Marietta Materials Inc.'s full MSHA compliance history →
Inspection activity
MSHA inspections since 2000
63
inspections on record
1,293
inspection hours
17.8
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.
230 citations across 1,293 inspection hours.
Source: MSHA inspections data, updated weekly.

Parkdale Quarry has $83K in proposed MSHA penalties and $10K outstanding across 9 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.
$83K
proposed penalties
$81K
current assessed
$71K
paid to date
$10K
outstanding
222 assessments are final orders; 9 contested dockets.
Of $7K in penalties contested before the Commission, $5K was upheld in final decisions.
As of the most recent assessment on 2024-12-03.
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.
23.9%
significant & substantial
11.5%
high negligence or reckless
23.9%
reasonably likely or greater
50.4%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 9.3% low, 79.2% moderate, 11.5% 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.
19 citations taken to the federal commission · 8% of citations on record
  • Settled 16 · 84%
  • Stood as issued 3 · 16%
67%
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 6 decided S&S contests · industry: 79%
35%
Penalty reduction in decided contests
$7K proposed, $5K 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 2023-04-23.
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
WEST 2009-1263M Settlement Lesnick 2010 $3K → $2K
WEST 2015-0968 Settlement Lesnick 2016 $2K → $925
WEST 2015-0544 Settlement Simonton 2015 $687 → $350
WEST 2014-0831 Settlement Manning 2014 $607 → $500
WEST 2015-0649 Settlement Simonton 2015 $598 → $200
WEST 2023-0204 Default 2023 $500 → $500
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: 2024-06-26
4%
of limit-tested samples over the exposure limit
43
samples
25
limit-tested
Most sampled contaminants
  • Quartz, respirable, >1% Qtz271 over
  • Respirable dust, <.1mg9
  • Unlisted Particulate, respirable, <1% Qtz5
  • Arsenic fumes1
Show the individual readings (55)
Date Contaminant Concentration Limit Conc / limit Occupation
2013-08-28 Quartz, respirable, >1% Qtz 1.3 0.79 1.65 Laborer, Bullgang
2024-06-26 Quartz, respirable, >1% Qtz 0.13 0.75 0.17 Truck Driver
2024-06-26 Quartz, respirable, >1% Qtz 0.18 0.69 0.26 Laborer, Bullgang
2023-03-08 Respirable dust, <.1mg 0 Supervisor, Co. Official
2023-03-08 Respirable dust, <.1mg 0 Truck Driver
2023-03-08 Quartz, respirable, >1% Qtz 0.52 0.6 0.87 Laborer, Bullgang
2023-03-08 Quartz, respirable, >1% Qtz 0.13 0.57 0.23 Crusher Oper/Worker
2022-01-13 Lead fumes 0 150 0.00 Mechanic
2022-01-13 Iron oxide fumes 0.26 10 0.03 Mechanic
2022-01-13 Copper fumes 1 100 0.01 Mechanic
2022-01-13 Cobalt fumes 0 100 0.00 Mechanic
2022-01-13 Chromium, insoluble 0 1 0.00 Mechanic
2022-01-13 Cadmium oxide fumes 0 100 0.00 Mechanic
2022-01-13 Arsenic fumes 0 500 0.00 Mechanic
2022-01-13 Beryllium fumes 0 2 0.00 Mechanic
2022-01-13 Zinc oxide fumes 0 5 0.00 Mechanic
2022-01-13 Vanadium fumes 0 50 0.00 Mechanic
2022-01-13 Nickel fumes 0 1 0.00 Mechanic
2022-01-13 Molybdenum fumes 0 10 0.00 Mechanic
2022-01-13 Manganese fumes 0.04 5 0.01 Mechanic
2022-01-13 Magnesium oxide fumes 0.01 10 0.00 Mechanic
2020-09-23 Respirable dust, <.1mg 0 Laborer, Bullgang
2020-09-23 Respirable dust, <.1mg 0 Truck Driver
2020-09-23 Respirable dust, <.1mg 0 Front-end Loader Operator
2020-09-23 Unlisted Particulate, respirable, <1% Qtz 0.35 Mechanic
2018-11-15 Quartz, respirable, >1% Qtz 0.18 Laborer, Bullgang
2018-11-15 Quartz, respirable, >1% Qtz 0.36 0.73 0.49 Crusher Oper/Worker
2018-11-15 Quartz, respirable, >1% Qtz 0.16 Front-end Loader Operator
2018-11-15 Unlisted Particulate, respirable, <1% Qtz 0.15 Truck Driver
2017-07-26 Respirable dust, <.1mg 0 Tractor Operator
2017-07-26 Quartz, respirable, >1% Qtz 0.51 Laborer, Bullgang
2017-07-26 Quartz, respirable, >1% Qtz 0.16 Crusher Oper/Worker
2016-03-31 Respirable dust, <.1mg 0 Front-end Loader Operator
2016-03-31 Quartz, respirable, >1% Qtz 0.15 0.67 0.22 Laborer, Bullgang
2016-03-31 Unlisted Particulate, respirable, <1% Qtz 0.16 Truck Driver
2013-09-24 Quartz, respirable, >1% Qtz 0.14 0.28 0.50 Laborer, Bullgang
2013-08-28 Respirable dust, <.1mg 0 Rotary Bucket Ex. Operator
2013-08-28 Quartz, respirable, >1% Qtz 0.32 0.9 0.36 Mechanic
2011-03-24 Quartz, respirable, >1% Qtz 0.52 0.53 0.98 Mechanic
2011-03-24 Respirable dust, <.1mg 0 Front-end Loader Operator
2011-03-24 Quartz, respirable, >1% Qtz 0.18 1.37 0.13 Crusher Oper/Worker
2011-03-24 Quartz, respirable, >1% Qtz 0.34 0.76 0.45 Backhoe Operator
2009-06-10 Quartz, respirable, >1% Qtz 0.24 1.52 0.16 Dry Screen Plant Operator
2009-06-10 Quartz, respirable, >1% Qtz 0.18 0.32 0.56 Mechanic
2009-06-10 Quartz, respirable, >1% Qtz 0.57 0.81 0.70 Cleanup Man
2009-06-10 Quartz, respirable, >1% Qtz 0.23 0.3 0.77 Mechanic
2006-07-12 Quartz, respirable, >1% Qtz 0.96 2.03 0.47 Crusher Oper/Worker
2006-07-12 Unlisted Particulate, respirable, <1% Qtz 0.2 Front-end Loader Operator
2006-07-12 Quartz, respirable, >1% Qtz 0.39 0.54 0.72 Utility Man
2006-07-12 Unlisted Particulate, respirable, <1% Qtz 0.31 Front-end Loader Operator
2003-02-05 Quartz, respirable, >1% Qtz 0.4 0.69 0.58 Crusher Oper/Worker
2003-02-05 Quartz, respirable, >1% Qtz 0.24 0.71 0.34 Cleanup Man
2001-10-16 Quartz, respirable, >1% Qtz 0.12 0.72 0.17 Supervisor, Co. Official
2001-10-16 Quartz, respirable, >1% Qtz 0.33 0.45 0.73 Laborer, Bullgang
2001-10-16 Quartz, respirable, >1% Qtz 0.42 0.56 0.75 Crusher Oper/Worker
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.

Parkdale Quarry recorded 0.00 reportable injury cases per 100 full-time workers in 2024.

Injury rate, 2024
ⓘ 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 1.77 and the all-US-mining average was 2.08 cases per 100 workers.
In Colorado, metal and nonmetal mining averaged 1.78 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
2024 * 0.00 0.00 0.000
2023 * 0.00 0.00 0.000
2022 * 0.00 0.00 0.000
2021 * 3.15 0.00 0.000
2020 * 0.00 0.00 0.000
2019 * 0.00 0.00 0.000
2018 * 0.00 0.00 0.000
2017 * 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. Agile Stone Systems Inc 1999 to 2004
  2. Front Range Aggregates, LLC 2004 to 2015
  3. Martin Marietta Materials Inc. 2015 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2026 0
2025 10
2024 18
2023 27
2022 24
2021 29
2020 28
2019 23
2018 18
2017 16
2016 14
2015 13
2014 13
2013 12
2012 15
2011 11
2010 11
2009 10
2008 12
2007 16
2006 15
2005 14
2004 14
2003 7
2002 16
2001 20
2000 16
Source: MSHA quarterly employment and production, updated weekly.

Parkdale Quarry sits in Fremont County, Colorado, where the Census mining category is 0.6% 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.
Fremont County, Colorado · Population 49,394
0.6%
Mining share of county employment
$61,027
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 Q1 0 0 0
2025 Q4 0 0 0
2025 Q3 3,710 0 0 0.0
2025 Q2 8,031 0 0 0.0
2025 Q1 6,958 0 0 0.0
2024 Q4 6,780 1 0 147.5
2024 Q3 9,436 0 0 0.0
2024 Q2 10,674 2 1 187.4
Show 92 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2024 Q1 11,738 0 0 0.0
2023 Q4 14,396 0 0 0.0
2023 Q3 15,027 0 0 0.0
2023 Q2 15,280 2 0 130.9
2023 Q1 14,375 5 0 347.8
2022 Q4 14,398 0 0 0.0
2022 Q3 15,319 0 0 0.0
2022 Q2 13,314 1 0 75.1
2022 Q1 11,715 3 0 256.1
2021 Q4 16,396 0 0 0.0
2021 Q3 15,382 0 0 0.0
2021 Q2 15,684 1 0 63.8
2021 Q1 16,029 0 0 0.0
2020 Q4 17,947 1 0 55.7
2020 Q3 15,994 0 0 0.0
2020 Q2 19,276 14 0 726.3
2020 Q1 16,096 0 0 0.0
2019 Q4 13,892 5 1 359.9
2019 Q3 16,229 0 0 0.0
2019 Q2 15,873 3 0 189.0
2019 Q1 11,020 0 0 0.0
2018 Q4 10,619 4 2 376.7
2018 Q3 10,647 0 0 0.0
2018 Q2 8,779 0 0 0.0
2018 Q1 9,891 2 0 202.2
2017 Q4 9,318 0 0 0.0
2017 Q3 8,416 1 0 118.8
2017 Q2 7,878 0 0 0.0
2017 Q1 7,411 3 1 404.8
2016 Q4 8,069 0 0 0.0
2016 Q3 9,786 0 0 0.0
2016 Q2 8,167 4 0 489.8
2016 Q1 5,770 26 7 4506.1
2015 Q4 8,953 0 0 0.0
2015 Q3 8,185 0 0 0.0
2015 Q2 7,297 7 1 959.3
2015 Q1 6,247 3 0 480.2
2014 Q4 6,464 0 0 0.0
2014 Q3 8,725 11 2 1260.7
2014 Q2 6,497 0 0 0.0
2014 Q1 5,543 0 0 0.0
2013 Q4 6,330 12 3 1895.7
2013 Q3 6,074 7 1 1152.5
2013 Q2 6,608 0 0 0.0
2013 Q1 4,028 7 2 1737.8
2012 Q4 6,517 0 0 0.0
2012 Q3 7,946 0 0 0.0
2012 Q2 9,034 1 0 110.7
2012 Q1 5,663 2 0 353.2
2011 Q4 3,822 0 0 0.0
2011 Q3 6,138 0 0 0.0
2011 Q2 6,513 0 0 0.0
2011 Q1 3,984 2 0 502.0
2010 Q4 5,745 0 0 0.0
2010 Q3 7,983 4 1 501.1
2010 Q2 7,752 0 0 0.0
2010 Q1 3,877 0 0 0.0
2009 Q4 3,542 0 0 0.0
2009 Q3 3,851 0 0 0.0
2009 Q2 4,385 5 2 1140.3
2009 Q1 3,591 0 0 0.0
2008 Q4 4,809 0 0 0.0
2008 Q3 6,924 2 0 288.9
2008 Q2 6,085 3 1 493.0
2008 Q1 8,141 6 2 737.0
2007 Q4 9,644 0 0 0.0
2007 Q3 12,084 19 7 1572.3
2007 Q2 11,455 0 0 0.0
2007 Q1 10,618 0 0 0.0
2006 Q4 11,003 0 0 0.0
2006 Q3 10,505 0 0 0.0
2006 Q2 11,420 0 0 0.0
2006 Q1 9,867 0 0 0.0
2005 Q4 8,736 0 0 0.0
2005 Q3 10,145 0 0 0.0
2005 Q2 8,733 0 0 0.0
2005 Q1 7,239 0 0 0.0
2004 Q4 8,959 0 0 0.0
2003 Q2 0 0 0
2003 Q1 7,362 21 9 2852.5
2002 Q4 11,428 0 0 0.0
2002 Q3 9,924 0 0 0.0
2002 Q2 8,173 3 0 367.1
2002 Q1 7,399 0 0 0.0
2001 Q4 11,206 2 0 178.5
2001 Q3 15,889 15 9 944.0
2001 Q2 16,166 0 0 0.0
2001 Q1 13,270 6 0 452.1
2000 Q4 12,340 0 0 0.0
2000 Q3 11,600 0 0 0.0
2000 Q2 8,006 4 2 499.6
2000 Q1 6,691 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

13 on file

2021 · 1 incident

September 22, 2021 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Martin Marietta Materials Inc. · Struck by falling object

An employee was helping change a screen on the screen deck. The employee had another employee holding the screen to help out. While trying to climb out of the screen deck, the screen was dropped and hit the employee in the head, resulting in 5 stitches being needed.

2016 · 1 incident

February 8, 2016 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Martin Marietta Materials Inc. · Over-exertion in wielding or throwing objects

Employee was swinging sledge hammer and felt a pinch in EE's elbow.

2012 · 2 incidents

April 25, 2012 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Front Range Aggregates, LLC · Struck by... (Not Elsewhere Classified)

Cutting rubber skirting with utility knife, cut into self instead of away knife bounced and into upper part right leg, 3 inches along about 1 inch deep requiring 4 stitches. Employee returned to work full duty.

April 13, 2012 CO · Metal/Non-Metal ledgeman/hand, quarry man SLIP OR FALL OF PERSON
Front Range Aggregates, LLC · Fall to the walkway or working surface

fell out jaw ladder 3 ft off ground twice never reported after either fell on back, 730 and 1030 reported at 12:15 told other employees will tough it out was told to report by other employees

2010 · 1 incident

December 20, 2010 CO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Front Range Aggregates, LLC · Fall from machine

Employee was pre shifting vehicle after safety meeting, and cleaning windows on Volvo A30 haul truck, started to wash the windows, standing next to the fueling spout on the flat are provided for standing, slipped on fuel residue and fell approx 6 feet to the ground on his lower back and butt. Employee also had a headlamp on, the sun was just starting to come up.

2008 · 1 incident

July 24, 2008 CO · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver MACHINERY
Front Range Aggregates, LLC · Struck against a moving object

While loading boulders in a 30 ton haul truck a rock slipped out of the thumb of the excavator allowing it to fall into the bed of the truck (approx. 5-7 feet) jarring the truck operators neck.

2005 · 1 incident

July 28, 2005 CO · Metal/Non-Metal pumper OTHER
Front Range Aggregates, LLC · Absorption of radiations, caustics, toxic and noxious substances

Filling water truck at filling station when bitten by insect.

2004 · 1 incident

November 8, 2004 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Front Range Aggregates, LLC · Over-exertion (Not Elsewhere Classified)

WHILE EXITING THE BASKET OF A "GENIE" 45' MANLIFT THE EMPLOYEE LIFTED HIMSELF UP TO EXIT THE BASKET. WHILE DOING SO HIS LEFT SHOULDER POPPED/DISLOCATED OUT OF SOCKET.

2001 · 3 incidents

April 2, 2001 CO · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
Agile Stone Systems Inc · Over-exertion (Not Elsewhere Classified)

SLIPPED ON THE LADDER OF HIS LOADER WHEN CLIMBING DOWN AND HURT HIS KNEE.

February 15, 2001 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman POWERED HAULAGE
Agile Stone Systems Inc · Struck by... (Not Elsewhere Classified)

EE WAS SHOVELING ROCK WHEN A BOULDER FELL OUT OF THE BUCKET OF THE LOADER, ROLLED DOWN A RAMP AND STRUCK EE IN THE BACK. HE HAS A BROKEN RT. COLLARBONE AND BROKEN LEFT KNEE CAP.

January 18, 2001 CO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Agile Stone Systems Inc · Over-exertion (Not Elsewhere Classified)

EE JUMPED FROM HIS DOZER AND CAUSED A SLIP DISK IN HIS BACK.

1999 · 2 incidents

September 8, 1999 CO · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Agile Stone Systems Inc · Fall onto or against objects

EMPLOYEE WAS ADJUSTING A CHAIN HOIST WHEN HE STEPPED BACKWARD AND SLIPPED AND FELL, STRIKING HISHEAD ON THE SUPPORT BEAM, CUTTING HIS HEAD.

July 13, 1999 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Agile Stone Systems Inc · Flash burns (welding)

EE WAS HELPING A WELDER PUT LAGGING ON HEAD PULLEY. EE WAS FLASHED BY THE WELDING ARC AND RECEIVED FLASH BURNS TO HIS EYES.