Mining Incidents

US Aggregates - Thorntown Sand & Gravel Metal/Non-Metal

US Aggregates LLC · Surface
Controlled by The Heritage Group
Thorntown, Boone County, IN  ·  Active
MSHA Mine ID: 1200582

US Aggregates - Thorntown Sand & Gravel has $5K in proposed MSHA penalties and $151 outstanding across 0 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
11
Years on record
1990–2021
Latest incident
Jul 2021
Compliance record
MSHA citations since 2001
28
citations
7
significant & substantial
$4,513
proposed penalties
$4,362
paid to date
97% of proposed penalties paid to date, a $151 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2001
31
inspections on record
400
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: 400 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

US Aggregates - Thorntown Sand & Gravel has $5K in proposed MSHA penalties and $151 outstanding across 0 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.
$5K
proposed penalties
$5K
current assessed
$4K
paid to date
$151
outstanding
27 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2026-04-28.
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 5,838 1 0 171.3
2025 Q3 5,732 0 0 0.0
2025 Q2 5,105 0 0 0.0
2025 Q1 4,650 0 0 0.0
2024 Q4 5,547 0 0 0.0
2024 Q3 6,045 0 0 0.0
2024 Q2 7,074 6 1 848.2
2024 Q1 4,628 0 0 0.0
Show 53 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 5,138 1 1 194.6
2023 Q3 8,420 0 0 0.0
2023 Q2 7,523 0 0 0.0
2023 Q1 4,530 0 0 0.0
2022 Q4 5,939 0 0 0.0
2022 Q3 5,640 0 0 0.0
2022 Q2 5,669 0 0 0.0
2022 Q1 3,268 1 0 306.0
2021 Q4 4,944 1 0 202.3
2021 Q3 5,621 0 0 0.0
2021 Q2 5,945 6 2 1009.3
2021 Q1 4,629 0 0 0.0
2020 Q4 4,919 0 0 0.0
2020 Q3 5,405 0 0 0.0
2020 Q2 5,029 2 1 397.7
2020 Q1 2,850 1 1 350.9
2019 Q4 4,522 0 0 0.0
2019 Q3 4,330 0 0 0.0
2019 Q2 4,462 0 0 0.0
2019 Q1 3,471 0 0 0.0
2018 Q4 3,915 2 0 510.9
2018 Q3 5,010 0 0 0.0
2018 Q2 4,420 0 0 0.0
2018 Q1 3,425 0 0 0.0
2017 Q4 3,602 0 0 0.0
2017 Q3 5,572 0 0 0.0
2017 Q2 4,796 0 0 0.0
2017 Q1 3,495 0 0 0.0
2016 Q4 4,160 1 0 240.4
2016 Q3 4,779 1 1 209.2
2016 Q2 1,686 0 0 0.0
2005 Q2 0 0 0
2005 Q1 1,588 0 0 0.0
2004 Q4 2,215 0 0 0.0
2004 Q3 2,436 0 0 0.0
2004 Q2 2,534 0 0 0.0
2004 Q1 2,221 0 0 0.0
2003 Q4 1,300 0 0 0.0
2003 Q3 648 0 0 0.0
2003 Q2 627 0 0 0.0
2003 Q1 391 0 0 0.0
2002 Q4 645 0 0 0.0
2002 Q3 669 1 0 1494.8
2002 Q2 791 0 0 0.0
2002 Q1 6,194 0 0 0.0
2001 Q4 7,050 0 0 0.0
2001 Q3 7,268 0 0 0.0
2001 Q2 6,699 3 0 447.8
2001 Q1 4,886 0 0 0.0
2000 Q4 4,587 0 0 0.0
2000 Q3 5,083 0 0 0.0
2000 Q2 5,170 0 0 0.0
2000 Q1 4,045 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

11 on file

2021 · 1 incident

July 10, 2021 IN · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
US Aggregates Inc · Contact with hot objects or substances

Welding overhead in a chute, a piece of weld slag burned through EE's pants & into boot, causing burn to foot. Initial care was first aid, but EE was later restricted from work.

2020 · 1 incident

February 5, 2020 IN · Metal/Non-Metal crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger HANDTOOLS (NONPOWERED)
Heritage Aggregates LLC · Struck by flying object

Using a Come Along to pull a piece of metal into place to weld it. EE was jacking the Come Along & a link in the chain on the Come Along failed, springing back and struck EE in the face-above eye and on forehead.

2017 · 2 incidents

September 9, 2017 IN · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Heritage Aggregates LLC · Struck against stationary object

While changing out roller, they reached inside framework to move the roller, roller stuck on conveyor belt. They pulled hard, roller broke free, caused hand to contact with sharp metal on old conveyor truss framework.

May 24, 2017 IN · Metal/Non-Metal assistant mine foreman, assistant mine manager HANDLING OF MATERIALS
Heritage Aggregates LLC · Struck against stationary object

A log got stuck in the dredge hopper. EE got supports to block the grizzly from moving. EE was positioning the support by reaching through the handrails. The support slipped, the grizzly kept descending and struck EE's hardhat. EE pulled head back, cutting nose on the handrail.

2001 · 1 incident

May 24, 2001 IN · Metal/Non-Metal backhoe operator, trackhoe operator, crane operator HANDLING OF MATERIALS
U S Aggregates, Inc. · Struck against stationary object

EMPLOYEE'S HARD HAT DROPPED AND EMPLOYEE REACHED DOWN TO PICK IT UP AND HE STRUCK IS HEAD ON THE STEEL GUARD ON THE CRANE. EMPLOYEE CUT THE TOP OF HIS HEAD AND HAD TO HAVE 2 STITCHES.

2000 · 2 incidents

August 21, 2000 IN · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
U S Aggregates, Inc. · Over-exertion in lifting objects

EMPLOYEE WAS REMOVING ROCK FROM THE CRUSHER. WHILE LIFTING THE ROCK HE FELT SOMETHING PULL IN HIS LOWER STOMACH. HE WAS FIRST DIAGNOSED AS LOWER ABDOMINAL STRAIN, BUT NOW IS BEING CHECKED FOR KIDNEY STONES. EMPLOYEE IS RESTRICTED.

February 17, 2000 IN · Metal/Non-Metal miner, nec MACHINERY
U S Aggregates, Inc. · Contact with hot objects or substances

EMPLOYEE WAS WELDING THE FEED HOPPER. HOT SLAG GOT ON EMPLOYEE AND IT WENT THROUGH HIS COVERALLS & BURNED HIS EYE. HE USED OINTMENT FROM HOME. LATER IT BECAME INFECTED, HE WENT TO DOCTOR ON 2-23-2000.

1998 · 1 incident

October 13, 1998 IN · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
U S Aggregates, Inc. · Over-exertion (Not Elsewhere Classified)

EE WAS DRILLING HOLES IN RUBBER WHEN THE DRILL BIT GOT CAUGHT. THE DRILL BIT STOPPED AND THE DRILL KEPT ON TURNING AND TWISTED EE'S WRIST.

1996 · 1 incident

1991 · 1 incident

March 14, 1991 IN · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Fairfield Builders Supply Corp · Caught in, under or between a moving and a stationary object

EE WAS REPLACING WATER PUMP AND THUMB WAS CAUGHT BETWEEN PUMP AND FLANGE.

1990 · 1 incident

For insurers, brokers, and safety consultants

The full compliance file on US Aggregates - Thorntown Sand & Gravel

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.