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Hennepin Pit Metal/Non-Metal

Tri-Con Materials, Inc. · Surface

Controlled by Steven R Nelson

Hennepin, Putnam County, IL · Active

MSHA Mine ID: 1102658

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Email me when a new MSHA incident is filed at Hennepin Pit.

Fatalities: 0
Total incidents: 2
Years on record: 2016–2020
Latest incident: Jun 2020

Compliance record

MSHA citations since 2001

177

citations

significant & substantial

$42,483

proposed penalties

$40,480

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	Per 1M hrs
2025 Q4	6,775	0	0.0
2025 Q3	7,585	0	0.0
2025 Q2	9,358	0	0.0
2025 Q1	5,612	1	178.2
2024 Q4	5,618	0	0.0
2024 Q3	5,859	0	0.0
2024 Q2	5,199	1	192.3
2024 Q1	3,341	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

2 on file

2020 · 1 incident

June 29, 2020 IL · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDTOOLS (NONPOWERED)

Tri-Con Materials, Inc. · Over-exertion in pulling or pushing objects

EE was prying up on the bar to center the belt. The significant leveraging caused a strain. We are still awaiting the MRI to see about an actual injury.

2016 · 1 incident

June 7, 2016 IL · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON

Tri-Con Materials, Inc. · Fall from machine

The miner was descending properly from loader to take a break. Turned around to start to come down from loader and fell backwards. Landed primarily on feet, causing both to be sprained. Also sprained left wrist falling back on it. Also hit head on shuttle vehicle below. Had hard hat on, so only had minor concussion.