Mining Incidents

Lakemoor Pit Metal/Non-Metal

Controlled by Steven Thelen
McHenry, Mchenry County, IL  ·  Active
MSHA Mine ID: 1103221

Lakemoor Pit has $11K in proposed MSHA penalties and $377 outstanding across 5 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
7
Years on record
2011–2025
Latest incident
May 2025
Compliance record
MSHA citations since 2010
59
citations
5
significant & substantial
$10,539
proposed penalties
$7,885
paid to date
75% of proposed penalties paid to date, a $2,654 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2010
34
inspections on record
781
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: 781 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Lakemoor Pit has $11K in proposed MSHA penalties and $377 outstanding across 5 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.
$11K
proposed penalties
$8K
current assessed
$8K
paid to date
$377
outstanding
59 assessments are final orders; 5 contested dockets.
As of the most recent assessment on 2025-06-11.
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 9,694 0 0 0.0
2025 Q3 15,367 0 0 0.0
2025 Q2 15,360 4 0 260.4
2025 Q1 6,837 2 0 292.5
2024 Q4 10,879 0 0 0.0
2024 Q3 11,962 0 0 0.0
2024 Q2 11,088 6 1 541.1
2024 Q1 8,432 4 0 474.4
Show 55 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 9,910 0 0 0.0
2023 Q3 11,135 0 0 0.0
2023 Q2 11,559 1 0 86.5
2023 Q1 6,769 0 0 0.0
2022 Q4 10,379 1 0 96.3
2022 Q3 13,242 0 0 0.0
2022 Q2 10,213 1 0 97.9
2022 Q1 5,940 2 0 336.7
2021 Q4 10,152 0 0 0.0
2021 Q3 10,602 0 0 0.0
2021 Q2 11,099 0 0 0.0
2021 Q1 5,795 1 0 172.6
2020 Q4 9,216 0 0 0.0
2020 Q3 10,289 0 0 0.0
2020 Q2 9,199 2 1 217.4
2020 Q1 5,300 5 2 943.4
2019 Q4 8,870 0 0 0.0
2019 Q3 9,450 0 0 0.0
2019 Q2 10,762 3 0 278.8
2019 Q1 5,075 1 0 197.0
2018 Q4 7,906 0 0 0.0
2018 Q3 7,758 0 0 0.0
2018 Q2 6,725 0 0 0.0
2018 Q1 3,263 0 0 0.0
2017 Q4 4,951 0 0 0.0
2017 Q3 5,898 0 0 0.0
2017 Q2 6,703 1 0 149.2
2017 Q1 3,916 3 0 766.1
2016 Q4 4,090 0 0 0.0
2016 Q3 4,623 2 0 432.6
2016 Q2 4,615 0 0 0.0
2016 Q1 2,242 2 0 892.1
2015 Q4 3,231 0 0 0.0
2015 Q3 3,733 1 0 267.9
2015 Q2 3,292 0 0 0.0
2015 Q1 2,220 0 0 0.0
2014 Q4 2,635 0 0 0.0
2014 Q3 3,314 0 0 0.0
2014 Q2 1,416 0 0 0.0
2014 Q1 434 0 0 0.0
2013 Q4 3,603 7 0 1942.8
2013 Q3 3,210 0 0 0.0
2013 Q2 2,918 2 0 685.4
2013 Q1 192 0 0 0.0
2012 Q4 1,812 0 0 0.0
2012 Q3 1,820 0 0 0.0
2012 Q2 1,432 3 0 2095.0
2012 Q1 187 0 0 0.0
2011 Q4 1,341 0 0 0.0
2011 Q3 2,094 0 0 0.0
2011 Q2 1,312 1 0 762.2
2011 Q1 286 0 0 0.0
2010 Q4 1,519 0 0 0.0
2010 Q3 1,591 4 1 2514.1
2010 Q2 751 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

7 on file

2025 · 1 incident

May 14, 2025 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

Two employees had set a beater return roller on a lower frame part of the stacker frame of the conveyor; the roller slipped out from the frame and came into contact with injured employee's index finger.

2022 · 2 incidents

August 27, 2022 IL · Metal/Non-Metal miner, prospector, nec HANDLING OF MATERIALS
Thelen Sand & Gravel, Inc. · Contact with hot objects or substances

EE got blisters from a hot sheave. The bearing had gone out on a screen which heated up the sheave. The contact with the sheave caused small blisters on EE's hand.

February 17, 2022 IL · Metal/Non-Metal coal/ore shovel operator, shoveler, power shoveler SLIP OR FALL OF PERSON
Thelen Sand & Gravel, Inc. · Fall from machine

EE was dismounting the excavator for the end of shift. EE had three points of contact while dismounting and slipped off the foot peg on the middle of the track, which is 18 inches off of the ground.

2019 · 1 incident

May 2, 2019 IL · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Thelen Sand & Gravel, Inc. · Struck against a moving object

Employee was operating a front-end loader and jarred left arm in rough terrain. Left arm muscle strain. Did not become reportable until after Clinic follow-up on May 10, 2019.

2018 · 1 incident

September 11, 2018 IL · Metal/Non-Metal outside foreman, leadman HANDTOOLS (NONPOWERED)
Thelen Sand & Gravel, Inc. · Struck by flying object

Installing counterweight pulley on field conveyor. Tele-handler and come-along holding pulley on either side of conveyor. Come-along cable snapped. Pulley swung back and struck middle finger of right hand.

2012 · 1 incident

August 27, 2012 IL · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDTOOLS (NONPOWERED)
Thelen Sand & Gravel, Inc. · Over-exertion (Not Elsewhere Classified)

Boulder got stuck in jaw crusher. Had to use a pry bar to remove boulder.

2011 · 1 incident

November 5, 2011 IL · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Thelen Sand & Gravel, Inc. · Struck by... (Not Elsewhere Classified)

Using a 70 lb. jackhammer to release a wear plate in a Cedar Rapids MVP 280 portable crushing plant, cone. the jackhammer slipped causing the right hand little finger nail to bend back away from the finger. Stitches were needed to reattach grown plate of finger nail.

For insurers, brokers, and safety consultants

The full compliance file on Lakemoor Pit

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.