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MENCENBERG QUARRY Metal/Non-Metal

Schmidt Aggregates · Surface
Controlled by Edward C Levy Jr
Castle Rock, Douglas County, CO  ·  Intermittent
MSHA Mine ID: 0504618

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Fatalities
0
Total incidents
8
Years on record
2000–2015
Latest incident
Jul 2015
Compliance record
MSHA citations since 2000
144
citations
38
significant & substantial
$80,774
proposed penalties
$80,424
paid to date
Source: MSHA violations data, updated weekly.
Quarterly safety rates
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2025 Q4 257 2 0 7782.1
2025 Q3 346 0 0 0.0
2023 Q3 0 0 0
2023 Q2 0 0 0
2023 Q1 0 0 0
2022 Q1 520 0 0 0.0
2021 Q4 2,896 4 0 1381.2
2021 Q3 4,247 0 0 0.0
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

8 on file

2015 · 1 incident

July 7, 2015 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Schmidt Aggregates · Struck by... (Not Elsewhere Classified)

A rock hit the employee's hard hat and then his right shoulder. Employee was taken to the hospital treated and released with no major injuries.

2008 · 1 incident

May 23, 2008 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman DISORDERS (REPEATED TRAUMA)
Schmidt Aggregates · Over-exertion (Not Elsewhere Classified)

EE claimed of pain in her R. wrist. An evaluation was done to determine the cause of pain, she has carpel tunnel in her R. wrist.

2002 · 2 incidents

August 8, 2002 CO · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
Schmidt Aggregates · Fall onto or against objects

EMPLOYEE SLIPPED GETTING DOWN FROM LOADER & FELL BACKWARDS, HITTING HIS HEAD ON THE TIRE OF ANOTHER PARKER LOADER.

February 26, 2002 CO · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator STEPPING OR KNEELING ON OBJECT
Schmidt Aggregates · Rubbed or abraded

EE WAS HELPING TO CHANGE SCREENS AND WAS CRAWLING AROUND UNDER THE TOP SCREEN WHEN HE FELT HIS KNEE POP. EE PLACED ON RESTRICTED DUTY.

2000 · 4 incidents

November 16, 2000 CO · Metal/Non-Metal miner, nec HANDTOOLS (NONPOWERED)
Schmidt Aggregates · Struck by flying object

EMPLOYEE WAS SPLITTING A ROCK WHEN A PIECE OF THE ROCK FLEW BACK AT HIM AND STRUCK HIM ON THE LIP.

October 20, 2000 CO · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Schmidt Aggregates · Over-exertion (Not Elsewhere Classified)

EE FELT PAIN IN WRIST AS HE WAS PERFORMING MAINTENANCE WORK ON PLANT.

September 7, 2000 CO · Metal/Non-Metal miner, nec HANDTOOLS (NONPOWERED)
Schmidt Aggregates · Struck by... (Not Elsewhere Classified)

EE IS A STONE CUTTER. IN SPLITTING A ROCK, 1/2 OF PIECE FELL ON EMPLOYEE'S LEG, INJURING THE KNEE.

May 3, 2000 CO · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Schmidt Aggregates · Caught in, under or between (Not Elsewhere Classified)

EE WAS HELPING TO CHANGE OUT SCREENS WHEN THE TOP SCREEN SLIPPED, CAUSING HIS LEFT THUMB TO BE PINCHED.. THE DR. PLACED HIM ON RESTRICTED DUTY UNTIL THE NEXT VISIT.