Mining Incidents

Halquist Stone Company Cawley's Quarry Metal/Non-Metal

Lannon, Waukesha County, WI  ·  Active
MSHA Mine ID: 4703291

Halquist Stone Company Cawley's Quarry has $2K in proposed MSHA penalties and $0 outstanding across 2 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
2
Years on record
2016–2026
Latest incident
Jun 2026
Compliance record
MSHA citations since 2002
13
citations
0
significant & substantial
$1,736
proposed penalties
$1,736
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2002
29
inspections on record
248
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: 248 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Halquist Stone Company Cawley's Quarry has $2K in proposed MSHA penalties and $0 outstanding across 2 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.
$2K
proposed penalties
$2K
current assessed
$2K
paid to date
$0
outstanding
13 assessments are final orders; 2 contested dockets.
As of the most recent assessment on 2026-03-30.
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 1,115 0 0 0.0
2025 Q3 1,186 0 0 0.0
2025 Q2 1,229 0 0 0.0
2025 Q1 1,147 0 0 0.0
2024 Q4 1,704 0 0 0.0
2024 Q3 1,752 1 0 570.8
2024 Q2 1,740 0 0 0.0
2024 Q1 1,311 0 0 0.0
Show 56 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 1,603 5 0 3119.2
2023 Q3 1,709 0 0 0.0
2023 Q2 1,416 0 0 0.0
2023 Q1 1,050 1 0 952.4
2022 Q4 1,147 1 0 871.8
2022 Q3 1,428 0 0 0.0
2022 Q2 1,316 1 0 759.9
2022 Q1 974 0 0 0.0
2021 Q4 1,298 0 0 0.0
2021 Q3 1,182 0 0 0.0
2021 Q2 1,239 0 0 0.0
2021 Q1 965 0 0 0.0
2020 Q4 1,298 1 0 770.4
2020 Q3 1,645 0 0 0.0
2020 Q2 2,853 0 0 0.0
2020 Q1 1,543 0 0 0.0
2019 Q4 1,855 0 0 0.0
2019 Q3 2,887 0 0 0.0
2019 Q2 2,043 0 0 0.0
2019 Q1 224 0 0 0.0
2018 Q4 540 0 0 0.0
2018 Q3 819 0 0 0.0
2018 Q2 407 0 0 0.0
2018 Q1 178 0 0 0.0
2017 Q4 542 1 0 1845.0
2017 Q3 644 0 0 0.0
2017 Q2 349 0 0 0.0
2017 Q1 256 0 0 0.0
2016 Q4 1,455 0 0 0.0
2016 Q3 968 0 0 0.0
2012 Q2 0 0 0
2012 Q1 0 0 0
2011 Q4 0 0 0
2011 Q3 0 0 0
2011 Q2 0 0 0
2011 Q1 0 0 0
2010 Q4 35 0 0 0.0
2010 Q3 938 0 0 0.0
2010 Q2 1,513 0 0 0.0
2010 Q1 0 0 0
2009 Q4 184 0 0 0.0
2009 Q3 1,016 0 0 0.0
2009 Q2 192 0 0 0.0
2004 Q4 0 0 0
2004 Q3 0 0 0
2004 Q2 0 0 0
2004 Q1 2 0 0 0.0
2003 Q4 0 0 0
2003 Q3 95 0 0 0.0
2003 Q2 209 0 0 0.0
2003 Q1 0 0 0
2002 Q4 0 1 0
2002 Q3 0 0 0
2002 Q2 1,140 0 0 0.0
2002 Q1 1,045 0 0 0.0
2001 Q4 1,330 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

2 on file

2026 · 1 incident

June 11, 2026 WI · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Halquist Stone Company Inc · Struck by rolling or sliding object

EE was moving pieces of stone out of EE's working area, one of the pieces rolled and grazed EE's leg causing a laceration.

2016 · 1 incident

October 11, 2016 WI · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Halquist Stone Company Inc · Over-exertion in lifting objects

Employee was stacking stone on a pallet when EE strained EE's lower back (lumbar).

For insurers, brokers, and safety consultants

The full compliance file on Halquist Stone Company Cawley's Quarry

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.