Mining Incidents

Thelen Sand & Gravel, Inc. Metal/Non-Metal

Controlled by Steven Thelen
Antioch, Lake County, IL  ·  Active
MSHA Mine ID: 1101228

Thelen Sand & Gravel, Inc. has $20K in proposed MSHA penalties and $0 outstanding across 13 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
37
Years on record
1988–2023
Latest incident
Jun 2023
Compliance record
MSHA citations since 2001
142
citations
15
significant & substantial
$19,760
proposed penalties
$15,000
paid to date
76% of proposed penalties paid to date, a $4,760 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2001
70
inspections on record
2,011
inspection hours
7.1
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.
142 citations across 2,011 inspection hours.
Source: MSHA inspections data, updated weekly.

Thelen Sand & Gravel, Inc. has $20K in proposed MSHA penalties and $0 outstanding across 13 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.
$20K
proposed penalties
$15K
current assessed
$15K
paid to date
$0
outstanding
141 assessments are final orders; 13 contested dockets.
As of the most recent assessment on 2026-05-05.
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 19,840 0 0 0.0
2025 Q3 14,482 0 0 0.0
2025 Q2 14,503 2 0 137.9
2025 Q1 9,822 0 0 0.0
2024 Q4 12,905 0 0 0.0
2024 Q3 12,341 0 0 0.0
2024 Q2 12,913 3 0 232.3
2024 Q1 8,137 0 0 0.0
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 12,640 5 0 395.6
2023 Q3 12,929 0 0 0.0
2023 Q2 13,009 0 0 0.0
2023 Q1 8,164 1 0 122.5
2022 Q4 10,200 3 0 294.1
2022 Q3 13,449 0 0 0.0
2022 Q2 12,645 4 0 316.3
2022 Q1 11,545 0 0 0.0
2021 Q4 10,715 5 2 466.6
2021 Q3 12,355 0 0 0.0
2021 Q2 14,122 0 0 0.0
2021 Q1 11,124 0 0 0.0
2020 Q4 13,261 0 0 0.0
2020 Q3 13,989 0 0 0.0
2020 Q2 13,967 3 1 214.8
2020 Q1 9,756 0 0 0.0
2019 Q4 13,380 6 0 448.4
2019 Q3 12,436 0 0 0.0
2019 Q2 13,967 1 0 71.6
2019 Q1 9,603 0 0 0.0
2018 Q4 12,026 0 0 0.0
2018 Q3 13,350 0 0 0.0
2018 Q2 14,820 2 0 135.0
2018 Q1 10,194 0 0 0.0
2017 Q4 13,068 0 0 0.0
2017 Q3 14,478 0 0 0.0
2017 Q2 15,038 11 3 731.5
2017 Q1 10,637 0 0 0.0
2016 Q4 14,989 2 0 133.4
2016 Q3 16,909 1 0 59.1
2016 Q2 16,638 0 0 0.0
2016 Q1 12,215 0 0 0.0
2015 Q4 16,108 5 1 310.4
2015 Q3 17,827 0 0 0.0
2015 Q2 17,218 0 0 0.0
2015 Q1 12,128 3 1 247.4
2014 Q4 14,534 1 0 68.8
2014 Q3 15,827 5 1 315.9
2014 Q2 17,061 0 0 0.0
2014 Q1 11,842 4 0 337.8
2013 Q4 12,429 0 0 0.0
2013 Q3 14,319 0 0 0.0
2013 Q2 12,948 4 0 308.9
2013 Q1 9,786 0 0 0.0
2012 Q4 13,343 0 0 0.0
2012 Q3 14,080 0 0 0.0
2012 Q2 13,625 4 0 293.6
2012 Q1 7,124 3 1 421.1
2011 Q4 9,428 0 0 0.0
2011 Q3 13,212 0 0 0.0
2011 Q2 13,254 0 0 0.0
2011 Q1 7,367 1 0 135.7
2010 Q4 18,212 0 0 0.0
2010 Q3 17,872 0 0 0.0
2010 Q2 17,877 0 0 0.0
2010 Q1 10,888 2 0 183.7
2009 Q4 18,837 7 3 371.6
2009 Q3 21,839 0 0 0.0
2009 Q2 19,326 0 0 0.0
2009 Q1 10,463 0 0 0.0
2008 Q4 19,953 0 0 0.0
2008 Q3 23,414 1 0 42.7
2008 Q2 22,931 0 0 0.0
2008 Q1 15,039 1 0 66.5
2007 Q4 23,960 0 0 0.0
2007 Q3 25,266 0 0 0.0
2007 Q2 26,280 0 0 0.0
2007 Q1 20,810 2 0 96.1
2006 Q4 27,722 0 0 0.0
2006 Q3 27,965 7 0 250.3
2006 Q2 26,634 0 0 0.0
2006 Q1 18,972 10 1 527.1
2005 Q4 23,288 0 0 0.0
2005 Q3 24,249 7 0 288.7
2005 Q2 23,965 0 0 0.0
2005 Q1 18,443 3 0 162.7
2004 Q4 25,216 0 0 0.0
2004 Q3 23,689 0 0 0.0
2004 Q2 23,690 7 0 295.5
2004 Q1 19,043 0 0 0.0
2003 Q4 24,786 0 0 0.0
2003 Q3 23,695 0 0 0.0
2003 Q2 24,420 0 0 0.0
2003 Q1 23,396 0 0 0.0
2002 Q4 22,637 4 0 176.7
2002 Q3 22,851 0 0 0.0
2002 Q2 24,414 0 0 0.0
2002 Q1 19,904 0 0 0.0
2001 Q4 26,540 4 1 150.7
2001 Q3 24,349 0 0 0.0
2001 Q2 25,406 0 0 0.0
2001 Q1 19,477 6 0 308.1
2000 Q4 24,922 0 0 0.0
2000 Q3 25,466 0 0 0.0
2000 Q2 22,843 0 0 0.0
2000 Q1 22,460 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

37 on file

2023 · 1 incident

June 10, 2023 IL · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Thelen Sand & Gravel, Inc. · Struck by falling object

IE & EE were changing out a troughing roller. They were leaning the old roller backwards to remove it, when it slipped out of their grasp, and fell onto IE's right thumb that was on the conveyor frame. IE went to the medical facility where IE received eight stitches and antibiotics.

2018 · 1 incident

December 6, 2018 IL · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Thelen Sand & Gravel, Inc. · Over-exertion (Not Elsewhere Classified)

Torching wear plate, guard broke free causing employee to work to stay standing.

2017 · 2 incidents

July 27, 2017 IL · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech FALLING/SLIDING/ROLLING MATERIALS
Thelen Sand & Gravel, Inc. · Struck by falling object

Angle iron removed during maintenance, stored on end, fell over, striking employee.

June 21, 2017 IL · Metal/Non-Metal mine manager, mine foreman, mine owner HANDTOOLS (NONPOWERED)
Thelen Sand & Gravel, Inc. · Struck by... (Not Elsewhere Classified)

Trimming a piece of rubber to fit a conveyor transition chute with a utility knife. The knife slipped and cut the top of the left hand.

2015 · 1 incident

September 23, 2015 IL · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Thelen Sand & Gravel, Inc. · Fall to the walkway or working surface

Slipped on loose soil causing him to lose his footing, broke the fall by extending his right arm to catch himself on a block. Felt pain in right shoulder. Diagnosed as shoulder sprain. Now diagnosed as shoulder tear.

2014 · 3 incidents

October 8, 2014 IL · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Thelen Sand & Gravel, Inc. · Struck by... (Not Elsewhere Classified)

Technician was removing a cutting edge from a wheel loader bucket at Thelen's shop. Shank became dislodged and screw head spun. The screw head sliced through glove and index finger when it spun. 8 stitches required in left index finger.

August 14, 2014 IL · Metal/Non-Metal welder (non-shop) HANDLING OF MATERIALS
Thelen Sand & Gravel, Inc. · Struck by... (Not Elsewhere Classified)

Using a shop press. the support block shot out, striking the left thumb of injured person, causing damage to thumb and other fingers.

January 16, 2014 IL · Metal/Non-Metal building repair man, maintenance SLIP OR FALL OF PERSON
Thelen Sand & Gravel, Inc. · Fall to the walkway or working surface

Slipped on ice after lunch break. Work area was covered with snow and was not able to maintain footing. Slipped and fell onto back. After a couple of days felt pain in lower back at belt line.

2010 · 2 incidents

June 10, 2010 IL · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Thelen Sand & Gravel, Inc. · Contact with hot objects or substances

Slurry pump in the North pit became clogged. Shut off valve did not work. Water in the pump continued to circulate and became hot. Worker opened valve and was hit by hot water on right side of chest, shoulder and neck.

May 20, 2010 IL · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer OTHER
Thelen Sand & Gravel, Inc. · Bodily reaction, (Not Elsewhere Classified)

He was kneeling on his left knee replacing a belt on a transfer conveyor. When he stood up he felt pain on the inside of his left knee.

2009 · 1 incident

February 3, 2009 IL · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Thelen Sand & Gravel, Inc. · Fall to the walkway or working surface

Walking between buildings, slipped on the ice, fell to the ground, dislocated right ankle and broken tibia.

2008 · 1 incident

October 3, 2008 IL · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Thelen Sand & Gravel, Inc. · Over-exertion (Not Elsewhere Classified)

EE was climbing the ladder to enter a backhoe, when he felt a pain in the muscle of his right calf. It felt like the muscle had been hit by a rock.

2007 · 2 incidents

November 20, 2007 IL · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Thelen Sand & Gravel, Inc. · Over-exertion in lifting objects

He was laying on his stomach, lifting screen out of screen deck, and pulled a muscle in the right side of his chest. Incident occurred on 11/15/2007 and was reported on 11/19/2007.

February 12, 2007 IL · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Thelen Sand & Gravel, Inc. · Struck against stationary object

Cutting exhaust hole in side of building with tin snips, cut index finger knuckle on siding of building, requiring 6 stitches in hand.

2006 · 1 incident

September 5, 2006 IL · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Thelen Sand & Gravel, Inc. · Caught in, under or between a moving and a stationary object

EE was welding a line for a ready mix hopper. The tack weld he made failed and metal shifted, pinching his left index finger between stell liner and hopper, resulting in a partial amputation and nail evulsion.

2003 · 2 incidents

September 5, 2003 IL · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Thelen Sand & Gravel, Inc. · Struck against stationary object

EMPLOYEE WAS REMOVING CUTTING OFF OF BOBCAT #14 AND REACHED UNDER THE BUCKET TO PUSH OLD CUTTINGEDGE BOLT IN AND CUT THIRD DIGIT ON LEFT HAND ON BURR ON CUTTING.

2001 · 3 incidents

March 30, 2001 IL · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Thelen Sand & Gravel, Inc. · Over-exertion in pulling or pushing objects

WORKING ON CUTTING EDGE, WHEN HE STOOD UP HE FELT HIS BACK POP.

January 11, 2001 IL · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Thelen Sand & Gravel, Inc. · Struck by... (Not Elsewhere Classified)

NIPPLE CAME OFF A AIRLINE STRIKING HIM IN THE MOUTH.

1999 · 2 incidents

August 9, 1999 IL · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Thelen Sand & Gravel, Inc. · Over-exertion (Not Elsewhere Classified)

CHANGING THE BLOW BARS ON THE SOUTH PLANT IMPACTOR NEED TO WORK IN SMALL AREA. WHEN HE FINISHEDTHE JOB HIS BACK FELT SORE & STILL WENT TO SHEE CHIROPRATOR

July 2, 1999 IL · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Thelen Sand & Gravel, Inc. · Fall to the walkway or working surface

CHANGING THE SCREEN ON THE POWER SCREEN STEPPED BACKWARD OFF SCREEN TRIPPED & FELL TO THE GROUNDTRIED TO BREAK HIS FALL STUCK OUT HIS HAND JAMMED HIS SHOULDER

1997 · 2 incidents

November 5, 1997 IL · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer POWERED HAULAGE
Thelen Sand & Gravel, Inc. · Struck by falling object

LARGE ROCK ROLLING UP THE CONVEYOR OF THE SCREENOPERATOR SAW ROCK WALKED UNDER THE CONVEYOR ROCKROLLED BACK DOWN AND FELL OFF SIDE OF CONVEYOR STRIKING OPERATOR IN LOWER RIGHT BACK CAUSING HIM TO FALL TO THE GROUND.

1996 · 2 incidents

December 30, 1996 IL · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Thelen Sand & Gravel, Inc. · Fall from machine

OPERATOR OF SC9 WHILE DISMOUNTING SLIPPED TO AVOID HITTING HIS CHIN, HE PUSHED OFF AWAY FROM MACHINE AND FELL ONTO HIS BACK THEN FELL DOWN INTO CUT (EXCAVATED AREA). TUMBLES 6'. FRACTURED L-1 SUPERIOR END PLATE IN LOWER BACK.

June 6, 1996 IL · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Thelen Sand & Gravel, Inc. · Fall from machine

DISMOUNTING HYDROCRANE LOST HIS FOOTING, FELL BETWEEN MACHINE AND TIRE. BRUISE TO RIGHT LEG ABOVE KNEE.

1995 · 1 incident

June 2, 1995 IL · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDTOOLS (NONPOWERED)
Thelen Sand & Gravel, Inc. · Struck by... (Not Elsewhere Classified)

LOWERING TOOL TO ANOTHER EMPLOYEE AT THE LOG WASHER TOOL SLIPPED CAUSING EE TO GRAB IT WITH ONE HAND CAUSING STRAIN

1994 · 5 incidents

August 10, 1994 IL · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Thelen Sand & Gravel, Inc. · Over-exertion (Not Elsewhere Classified)

REPAIRING DRAGLINE DRIVE GERA.

May 28, 1994 IL · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Thelen Sand & Gravel, Inc. · Contact with hot objects or substances

TORCHING HOLES IN ANGLE IRON ON CONVEYOR.

April 18, 1994 IL · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer OTHER
Thelen Sand & Gravel, Inc. · Struck by flying object

GREASING UNDER CRANE PARTIALE BLEW INTO HIS RT EYE VERY WINDY CONDITIONS

February 18, 1994 IL · Metal/Non-Metal welder (shop) DISORDERS (REPEATED TRAUMA)
Thelen Sand & Gravel, Inc. · Over-exertion (Not Elsewhere Classified)

CARPAL TUNNEL SYNDROME.

1993 · 3 incidents

July 21, 1993 IL · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech POWERED HAULAGE
Thelen Sand & Gravel, Inc. · Caught in, under or between (Not Elsewhere Classified)

HE WAS PAINTING THE CONVEYOR WITH A SPRAY PAINTER. HE WAS PAINTING THE CENTER BRACE WHEN THE PAINTER WAS PULLED THRU THE CONVEYOR, HIS HAND BECAME STUCK UNDER THE CONVEYOR BELT. THERE WAS DAMA GE TO THE TOP OF HIS RIGHT HAND. THE DOCTOR PERFORMED OUT-PATIENT SURGERY TO CLEAN THE WOUND AND REPAIR THE TENDON.

April 8, 1993 IL · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Thelen Sand & Gravel, Inc. · Struck by... (Not Elsewhere Classified)

RECEIVED 5 STITCHES TO UPPER LEFT CHEEK DUE TO HYDROLIC HOSE SLIPPING OUT OF HIS HAND & HIT CHEEK. HOSE WAS STIFF & NEEDED TO BE BENT SNAPPED BACK CUT CHEEK .

February 10, 1993 IL · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
Thelen Sand & Gravel, Inc. · Over-exertion (Not Elsewhere Classified)

PARKED HIS LOADER OFF TO THE SIDE AND HELPED ANOTHER EMPLOYEE WITH A PROJECT. WHEN THE PROJECT WAS COMPLETED HE RETURNED TO THE LOADER. HE SLIPPED ON THE ICE BUT CAUGHT HIMSELF BY GRABBING ONT O THE LOADER. HE DID NOT FALL TO THE GROUND, BUT PULLED THE MUSCLES IN HIS LEFT SHOULDER.

1989 · 1 incident

June 2, 1989 IL · Metal/Non-Metal welder (shop) MACHINERY
Thelen Sand & Gravel, Inc. · Fall from ladders

WELDER WAS REBUILDING SCREENS ON STONE PLANT, STONE HIT WELDER IN LEFT HAND CAUSING HIM TO LOSE HIS GRIP ON LADDER AND FALL.

1988 · 1 incident

October 4, 1988 IL · Metal/Non-Metal outside foreman, leadman HANDTOOLS (NONPOWERED)
Thelen Sand & Gravel, Inc. · Struck by flying object

INJ WAS LOSSENING A SPRING BOLT ON CRUSHER AND BOLT BROKE CAUSED BERRING TO FLY OFF BOLT AND HIT INJ IN FACE HE LOST 4 TEETH AND HAD ABRASIONS IN AND OUTDISE OF MOUNTH AND ON FOREHEAD.

For insurers, brokers, and safety consultants

The full compliance file on Thelen Sand & Gravel, Inc.

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.