Mining Incidents

Flat River Gravel Metal/Non-Metal

A.T. Zylstra, LLC · Surface
Controlled by Andrew J. Zylstra
Coral, Montcalm County, MI  ·  Intermittent
MSHA Mine ID: 2003197

Flat River Gravel has $4K in proposed MSHA penalties and $286 outstanding across 1 contested dockets, plus health sampling and the full incident record.

Watch this mine

Email me when a new MSHA incident is filed at Flat River Gravel.

Fatalities
0
Total incidents
0
Years on record
Latest incident
Compliance record
MSHA citations since 2001
37
citations
4
significant & substantial
$4,338
proposed penalties
$4,052
paid to date
93% of proposed penalties paid to date, a $286 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2001
31
inspections on record
339
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: 339 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Flat River Gravel has $4K in proposed MSHA penalties and $286 outstanding across 1 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.
$4K
proposed penalties
$4K
current assessed
$4K
paid to date
$286
outstanding
36 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2023-08-09.
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 40 0 0 0.0
2025 Q3 176 0 0 0.0
2025 Q2 406 0 0 0.0
2025 Q1 0 0 0
2023 Q4 5 0 0 0.0
2023 Q3 10 2 0 200000.0
2019 Q4 36 0 0 0.0
2019 Q3 225 0 0 0.0
Show 69 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2019 Q2 236 1 0 4237.3
2019 Q1 40 0 0 0.0
2018 Q3 100 0 0 0.0
2018 Q2 220 0 0 0.0
2018 Q1 43 0 0 0.0
2017 Q4 391 0 0 0.0
2017 Q3 945 0 0 0.0
2017 Q2 718 0 0 0.0
2017 Q1 67 0 0 0.0
2016 Q4 594 2 0 3367.0
2016 Q3 891 0 0 0.0
2016 Q2 701 0 0 0.0
2016 Q1 55 0 0 0.0
2015 Q4 487 0 0 0.0
2015 Q3 837 0 0 0.0
2015 Q2 765 4 0 5228.8
2015 Q1 42 0 0 0.0
2014 Q4 457 0 0 0.0
2014 Q3 771 2 0 2594.0
2014 Q2 225 0 0 0.0
2014 Q1 36 0 0 0.0
2013 Q4 203 0 0 0.0
2013 Q3 432 12 3 27777.8
2013 Q2 632 0 0 0.0
2013 Q1 264 0 0 0.0
2012 Q4 760 0 0 0.0
2012 Q3 1,000 0 0 0.0
2012 Q2 520 0 0 0.0
2011 Q4 1,040 1 0 961.5
2011 Q3 1,040 1 0 961.5
2011 Q2 512 0 0 0.0
2011 Q1 0 0 0
2010 Q4 280 0 0 0.0
2010 Q3 528 0 0 0.0
2010 Q2 512 0 0 0.0
2010 Q1 0 0 0
2009 Q4 256 1 0 3906.2
2009 Q3 480 1 0 2083.3
2009 Q2 560 0 0 0.0
2009 Q1 0 0 0
2008 Q4 208 0 0 0.0
2008 Q3 958 0 0 0.0
2008 Q2 648 0 0 0.0
2008 Q1 0 0 0
2007 Q4 280 0 0 0.0
2007 Q3 1,161 1 0 861.3
2007 Q2 840 0 0 0.0
2006 Q4 388 0 0 0.0
2006 Q3 911 0 0 0.0
2006 Q1 80 0 0 0.0
2005 Q4 290 0 0 0.0
2005 Q3 687 0 0 0.0
2005 Q2 794 1 0 1259.4
2005 Q1 0 0 0
2004 Q4 328 0 0 0.0
2004 Q3 1,255 1 0 796.8
2004 Q2 707 0 0 0.0
2004 Q1 0 0 0
2003 Q4 614 0 0 0.0
2003 Q3 983 0 0 0.0
2003 Q2 617 3 0 4862.2
2003 Q1 0 0 0
2002 Q4 489 0 0 0.0
2002 Q3 803 0 0 0.0
2002 Q2 810 0 0 0.0
2002 Q1 0 0 0
2001 Q4 505 1 1 1980.2
2001 Q3 1,024 0 0 0.0
2001 Q2 1,300 0 0 0.0

No reportable incidents on file.

MSHA has no recorded reportable accidents for this mine in the current dataset. New reports appear here within a week of being filed.

For insurers, brokers, and safety consultants

The full compliance file on Flat River 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.