Mining Incidents

Johnson County Aggregates Metal/Non-Metal

Controlled by CRH PLC
Olathe, Johnson County, KS  ·  Active
MSHA Mine ID: 1400068

Johnson County Aggregates has $80K in proposed MSHA penalties and $4K outstanding across 4 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
35
Years on record
1987–2026
Latest incident
Mar 2026
Compliance record
MSHA citations since 2000
229
citations
54
significant & substantial
$79,993
proposed penalties
$64,585
paid to date
81% of proposed penalties paid to date, a $15,408 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
77
inspections on record
1,385
inspection hours
16.5
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.
229 citations across 1,385 inspection hours.
Source: MSHA inspections data, updated weekly.

Johnson County Aggregates has $80K in proposed MSHA penalties and $4K 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.
$80K
proposed penalties
$68K
current assessed
$65K
paid to date
$4K
outstanding
224 assessments are final orders; 4 contested dockets.
As of the most recent assessment on 2026-05-07.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
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
2025 Q4 22,018 2 0 90.8
2025 Q3 20,441 0 0 0.0
2025 Q2 22,252 0 0 0.0
2024 Q4 20,330 0 0 0.0
2024 Q3 21,696 0 0 0.0
2024 Q2 21,146 0 0 0.0
2024 Q1 18,409 0 0 0.0
2023 Q4 19,284 2 0 103.7
Show 93 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q2 18,281 4 1 218.8
2023 Q1 15,652 0 0 0.0
2022 Q4 15,895 1 0 62.9
2022 Q3 15,855 2 0 126.1
2022 Q2 15,980 0 0 0.0
2022 Q1 14,686 5 1 340.5
2021 Q4 17,889 0 0 0.0
2021 Q3 20,769 0 0 0.0
2021 Q2 18,956 3 0 158.3
2021 Q1 12,825 1 0 78.0
2020 Q4 15,458 0 0 0.0
2020 Q3 13,084 6 0 458.6
2020 Q2 13,312 0 0 0.0
2020 Q1 11,306 0 0 0.0
2019 Q4 12,826 2 0 155.9
2019 Q3 16,653 2 1 120.1
2019 Q2 6,715 0 0 0.0
2019 Q1 9,507 1 0 105.2
2018 Q4 11,179 0 0 0.0
2018 Q3 12,896 0 0 0.0
2018 Q2 13,156 2 0 152.0
2018 Q1 11,515 0 0 0.0
2017 Q4 12,751 3 1 235.3
2017 Q3 13,773 0 0 0.0
2017 Q2 13,283 3 0 225.9
2017 Q1 12,946 1 0 77.2
2016 Q4 14,479 0 0 0.0
2016 Q3 14,935 4 1 267.8
2016 Q2 14,667 0 0 0.0
2016 Q1 14,356 3 1 209.0
2015 Q4 15,332 0 0 0.0
2015 Q3 17,008 0 0 0.0
2015 Q2 13,553 3 0 221.4
2015 Q1 13,435 0 0 0.0
2014 Q4 13,122 1 0 76.2
2014 Q3 15,193 3 1 197.5
2014 Q2 16,032 0 0 0.0
2014 Q1 14,186 1 0 70.5
2013 Q4 15,045 0 0 0.0
2013 Q3 16,627 1 0 60.1
2013 Q2 14,785 0 0 0.0
2013 Q1 8,225 0 0 0.0
2012 Q4 14,144 0 0 0.0
2012 Q3 16,258 0 0 0.0
2012 Q2 17,869 1 0 56.0
2012 Q1 13,686 0 0 0.0
2011 Q4 14,018 2 1 142.7
2011 Q3 15,985 0 0 0.0
2011 Q2 14,668 0 0 0.0
2011 Q1 11,567 1 0 86.5
2010 Q4 14,416 3 1 208.1
2010 Q3 14,929 0 0 0.0
2010 Q2 13,339 8 4 599.7
2010 Q1 13,673 2 0 146.3
2009 Q4 8,629 0 0 0.0
2009 Q3 17,585 0 0 0.0
2009 Q2 16,813 2 1 119.0
2009 Q1 16,560 2 0 120.8
2008 Q4 16,544 2 0 120.9
2008 Q3 22,976 0 0 0.0
2008 Q2 25,687 4 1 155.7
2008 Q1 22,632 0 0 0.0
2007 Q4 22,951 8 2 348.6
2007 Q3 27,205 0 0 0.0
2007 Q2 23,481 0 0 0.0
2007 Q1 18,684 0 0 0.0
2006 Q4 18,400 9 0 489.1
2006 Q3 23,275 0 0 0.0
2006 Q2 21,335 15 6 703.1
2006 Q1 20,972 1 1 47.7
2005 Q4 22,152 18 12 812.6
2005 Q3 21,398 0 0 0.0
2005 Q2 20,754 16 3 770.9
2005 Q1 19,543 0 0 0.0
2004 Q4 19,353 0 0 0.0
2004 Q3 19,477 7 0 359.4
2004 Q2 15,103 0 0 0.0
2004 Q1 13,047 8 0 613.2
2003 Q4 15,217 0 0 0.0
2003 Q3 14,735 0 0 0.0
2003 Q2 18,007 2 1 111.1
2003 Q1 19,435 0 0 0.0
2002 Q4 18,433 0 0 0.0
2002 Q3 15,802 0 0 0.0
2002 Q2 14,724 0 0 0.0
2002 Q1 15,468 0 0 0.0
2001 Q3 18,850 0 0 0.0
2001 Q2 2,910 0 0 0.0
2001 Q1 16,847 0 0 0.0
2000 Q4 14,531 5 0 344.1
2000 Q3 16,453 0 0 0.0
2000 Q2 17,070 0 0 0.0
2000 Q1 16,374 4 0 244.3
No fatalities recorded at this mine.

Reportable incidents

35 on file

2026 · 1 incident

2024 · 1 incident

August 12, 2024 KS · Metal/Non-Metal drill operator HANDTOOLS (NONPOWERED)
Johnson County Aggregates LLC · Struck by flying object

Employee struck a drill steel coupler with a hammer trying to remove a broken piece of strikerbar that had broken off in side of the coupler. On the second strike of the hammer an approximately 2 inch long sliver broke off the strikerbar section and impaled about 6 inches above the right wrist of the employee. The employee removed the debris and needed 2 stitches at medical clinic.

2018 · 1 incident

June 11, 2018 KS · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Johnson County Aggregates LLC · Struck against a moving object

Employee was loading trucks in pit and load shifted and material (shale) came over the bucket striking the windshield and came into cab and broke the dash. Dash cut caused a laceration and contusions to left leg and left little finger requiring two stitches to finger and leg.

2016 · 1 incident

September 21, 2016 KS · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Johnson County Aggregates LLC · Struck by... (Not Elsewhere Classified)

Employee was closing clamp on discharge hose on 4' Thompson pump and the camlock clamp broke. This cut the employee's left hand, requiring 8 stitches.

2014 · 2 incidents

November 20, 2014 KS · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator DISORDERS (REPEATED TRAUMA)
Johnson County Aggregates LLC · Over-exertion (Not Elsewhere Classified)

Employee was pulling screens off a screen box. Screen broke free and he hit his elbow on box. Reported to his supervisor but refused medical treatment. Requested medical evaluation on 2/6/2015. Diagnosis: Lateral Epicondylitis (aka tennis elbow).

September 29, 2014 KS · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech EXPLODING VESSELS UNDER PRESSURE
Johnson County Aggregates LLC · Contact with hot objects or substances

Burns to left hand and arm. Also to neck from Radiator Cap on Komatsu PC600.

2013 · 1 incident

January 17, 2013 KS · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Johnson County Aggregates LLC · Struck by falling object

Cutting plate with torch, block under plate kicked out, letting plate strike his right middle finger and took off the nail.

2012 · 4 incidents

October 19, 2012 KS · Metal/Non-Metal drill operator HANDLING OF MATERIALS
Johnson County Aggregates LLC · Over-exertion in lifting objects

Employee was Lifting buckets over a 6 hour period when he developed pain in his right hip and right groin region. This did not become reportable until 11/7/12 when he was placed on restricted duty.

October 3, 2012 KS · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Johnson County Aggregates LLC · Struck against stationary object

Cut on middle finger, removing ratchet strap from tire.

September 18, 2012 KS · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Johnson County Aggregates LLC · Caught in, under or between a moving and a stationary object

Caught finger in screen cloth, while changing screens.

May 29, 2012 KS · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Johnson County Aggregates LLC · Struck by... (Not Elsewhere Classified)

Employee was straightening a piece of metal with a hammer and hit his left thumb that made a gash.

2011 · 1 incident

2010 · 1 incident

November 8, 2010 KS · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator OTHER
Johnson County Aggregates LLC · Unclassified, insufficient data

Operator thought he was having a Heart Attack. Taken to the hospital and confirmed he was not having a Heart Attack. Kept overnight for observation.

2009 · 2 incidents

April 3, 2009 KS · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Johnson County Aggregates LLC · Struck against stationary object

While operator was climbing down from screen, he hit his tailbone on a lifting hook.

February 4, 2009 KS · Metal/Non-Metal blaster, shooter, shotfirer, explosive worker, powder gang/monkey NONPOWERED HAULAGE
Johnson County Aggregates LLC · Fall onto or against objects

Loading anfo bags with dolly onto powder truck. Dolly failed causing 9 bags and dolly to come back on operator and tail bone landed on corner of plastic pallet.

2008 · 2 incidents

July 18, 2008 KS · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor HANDLING OF MATERIALS
Johnson County Aggregates LLC · Struck by falling object

Cone crusher lost clamp pressure and employee was trying to keep rock from gravity feeding. The chute that feeds the cone fell off and hit his left index finger at lower half of the nail causing a cut.

February 28, 2008 KS · Metal/Non-Metal mechanic helper HANDTOOLS (NONPOWERED)
Johnson County Aggregates LLC · Struck by... (Not Elsewhere Classified)

Employee was removing drive shaft from transmission on a F350 ford. While using a punch and a hammer. He missed the punch and hit his thumb on his left hand. Causing a cut on his thumb.

2007 · 1 incident

July 25, 2007 KS · Metal/Non-Metal drill operator OTHER
Johnson County Aggregates LLC · Unclassified, insufficient data

Employee complained about severe pain in left chest area and side. This is not work-related. EE is having tests run and results are not known at this time.

2002 · 1 incident

December 10, 2002 KS · Metal/Non-Metal mine manager, mine foreman, mine owner SLIP OR FALL OF PERSON
Johnson County Aggregates LLC · Fall to lower level, (Not Elsewhere Classified)

INDIVIDUAL STEPPED TO THE EDGE OF A STEP BENCH, SLIPPED ON LOOSE GRAVEL AND FELL 9'2". THE FALL OCCURRED WHILE HE WAS SUPERVISING A CREW SETTING CONCRETE FORMS ON THE LOWER BENCH. A SAFETY BAR RICADE FENCE HAD BEEN TAKEN DOWN TO MOVE MATERIALS FOR THE CONCRETE WORK AND NOT REESTABLISHED.

2000 · 1 incident

January 24, 2000 KS · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Johnson County Aggregates LLC · Struck by falling object

WORKER HAD BEEN WELDING AND STOPPED TO RAISE WELDING HOOD AND A FOREIGN BODY FELL INTO LEFT EYE.

1997 · 1 incident

April 28, 1997 KS · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Johnson County Aggregates LLC · Over-exertion in lifting objects

EE WAS GETTING READY TO LEAV THE SHOP TO GO TO HIS NORMAL WORKPLACE. HE REACHED DOWN TO THE FLOOR TO PICK UP HIS LUNCH BUCKET AND HURT HIS BACK.

1996 · 1 incident

April 4, 1996 KS · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Johnson County Aggregates LLC · Over-exertion (Not Elsewhere Classified)

COMPLAINED OF BACK INJURY FROM SHOVELING.

1994 · 1 incident

October 17, 1994 KS · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver OTHER
Johnson County Aggregates LLC · Unclassified, insufficient data

EMPLOYEE COMPLAINS OF BURNING IN LEFT LEG. EMPLOYEE TELLS TWO DIFFERENT STORIES ABOUT PROBLEM IN LEG AND BACK AND DID NOT REPORT THE INNJURY 3 TO 4 WEEKS AFTER IT WAS SUPPOSED TO HAVE ACCIDENT .

1992 · 2 incidents

June 8, 1992 KS · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Johnson County Aggregates LLC · Struck against a moving object

55013LEDGEDLY INJURED BACK WHILE OPERATING BOBCAT ON ROUGH SURFACE THE JARRING CAUSED BACK STRAIN.

May 28, 1992 KS · Metal/Non-Metal drill operator MACHINERY
Johnson County Aggregates LLC · Struck by flying object

EMPLOYEE WAS DRILLING BLOWING THE STEMMINGS OUT OF THE HOLE AND A PIECE OF ROCK CAME THROUGH HIS SAFETY GLASSES AND HIT HIM IN THE EYE.

1991 · 2 incidents

October 16, 1991 KS · Metal/Non-Metal belt foreman, maintenance foreman, maintenance supervisor HANDLING OF MATERIALS
Cedar Creek Quarries · Over-exertion in lifting objects

EMPL WAS PUTTING TRACK BACK ON FRONT IDLER PULLING & LIFTING STRAINING GROIN MUSCLES.

September 4, 1991 KS · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech POWERED HAULAGE
Cedar Creek Quarries · Struck against a moving object

EMPL WAS DRIVING SUPERIOR ASHPHALT'S WATER TRUCK & INJ BACK BECAUSE OF BAD SEAT IN TRUCK. DID NOT REPORT ACCIDENT UNTIL 10/12/91.

1990 · 1 incident

July 25, 1990 KS · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Cedar Creek Quarries · Struck by falling object

EMPLOYEE WAS CHAINGING DRILL STEEL WHEN HE LOOKED UP AND COLLAR ON DRILL FELL HITTING EMPLOYEE IN THE FACE.

1989 · 1 incident

May 23, 1989 KS · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Cedar Creek Quarries · Fall from piled material

EMPLOYEE CLIMBED UP ON TRUCK THEN ONTO LEDGE OF ROCK WHEN HE FELL BACK FROM LEDGE HIS BACK HIT TRUCK.

1988 · 4 incidents

September 9, 1988 KS · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Cedar Creek Quarries · Over-exertion in pulling or pushing objects

EMPL WAS PULLING ON LEVER TO PEN BIN HE OVEREXERTED HIS BACK HE LOST NO TIME AND DID NOT RECEIVE ANY MEDICAL TREATMENT AT THE TIME HE LATER WNET TO DR OFF THE JOB REPORTED ACCIDENT TO HIS FORE MAN ON 9-13-88

March 22, 1988 KS · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Cedar Creek Quarries · Over-exertion (Not Elsewhere Classified)

EMPLOYEE JUMPED DOWN FROM EUCLID TRUCK TWISTING LEFT KNEE. EMPLOYEE REFUSED MEDICAL TREATMENT SAID HE WAS O.K.

March 7, 1988 KS · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Cedar Creek Quarries · Over-exertion in lifting objects

EMPL ALLEDGES WHILE LIFTING ROCK OUT OF FEEDER ON CRUSHER EMPL STRAINED CAUSING HIM TO HAVE A SMALL HERNIA.

January 19, 1988 KS · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Cedar Creek Quarries · Over-exertion in pulling or pushing objects

TWISTED KNEE WH3LE PULLING ELECTRIC WIRE INJURED LEFT KNEE EMPLOYEE ALLEDGED PRIOR INJURY TO SAME KNEE IN MID 1970S NO RECORD ON FILE

1987 · 2 incidents

December 5, 1987 KS · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Cedar Creek Quarries · Over-exertion in lifting objects

EMPLOYEE BENT O5ER TO PICK UP POST AND STRAINED BACK EMPLOYEE WAS NOT LIFTING AT THE TIME

May 1, 1987 KS · Metal/Non-Metal drill operator HANDLING OF MATERIALS
Cedar Creek Quarries · Struck by falling object

WAS CHANGING DR3LL STEEL AND DRILL STEEL COUPLER FELL ON HAND CUTTING PALM AND MIDDLE FINGER.

For insurers, brokers, and safety consultants

The full compliance file on Johnson County Aggregates

A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.