Kester Mine & Mill Metal/Non-Metal
Santaquin Calcite Co. L.C.
· Surface
Controlled by
Keven B Kester; Terry L Kester
Santaquin,
Utah County,
UT
·
Active
MSHA Mine ID: 4201973
Kester Mine & Mill has $5K in proposed MSHA penalties and $151 outstanding across 2 contested dockets, plus health sampling and the full incident record.
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- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2005
42
citations
16
significant & substantial
$5,400
proposed penalties
$5,249
paid to date
97% of proposed penalties paid to date, a $151 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
57
inspections on record
694
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: 694 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Kester Mine & Mill has $5K in proposed MSHA penalties and $151 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.$5K
proposed penalties
$5K
current assessed
$5K
paid to date
$151
outstanding
42 assessments are final orders; 2 contested dockets.
As of the most recent assessment on 2025-08-12.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
See also
the operator's enforcement record
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 | 1,172 | 0 | 0 | 0.0 |
| 2025 Q3 | 1,404 | 1 | 0 | 712.3 |
| 2025 Q2 | 1,507 | 0 | 0 | 0.0 |
| 2025 Q1 | 1,348 | 1 | 0 | 741.8 |
| 2024 Q4 | 1,637 | 0 | 0 | 0.0 |
| 2024 Q3 | 1,212 | 2 | 0 | 1650.2 |
| 2024 Q2 | 1,694 | 0 | 0 | 0.0 |
| 2024 Q1 | 1,571 | 0 | 0 | 0.0 |
Show 96 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 1,805 | 0 | 0 | 0.0 |
| 2023 Q3 | 1,549 | 0 | 0 | 0.0 |
| 2023 Q2 | 1,196 | 3 | 2 | 2508.4 |
| 2023 Q1 | 1,227 | 0 | 0 | 0.0 |
| 2022 Q4 | 1,885 | 0 | 0 | 0.0 |
| 2022 Q3 | 1,793 | 0 | 0 | 0.0 |
| 2022 Q2 | 2,292 | 0 | 0 | 0.0 |
| 2022 Q1 | 2,189 | 0 | 0 | 0.0 |
| 2021 Q4 | 1,850 | 0 | 0 | 0.0 |
| 2021 Q3 | 1,650 | 0 | 0 | 0.0 |
| 2021 Q2 | 1,327 | 0 | 0 | 0.0 |
| 2021 Q1 | 1,199 | 1 | 0 | 834.0 |
| 2020 Q4 | 1,029 | 0 | 0 | 0.0 |
| 2020 Q3 | 1,073 | 0 | 0 | 0.0 |
| 2020 Q2 | 1,064 | 1 | 0 | 939.8 |
| 2020 Q1 | 738 | 0 | 0 | 0.0 |
| 2019 Q4 | 630 | 0 | 0 | 0.0 |
| 2019 Q3 | 1,147 | 0 | 0 | 0.0 |
| 2019 Q2 | 1,446 | 0 | 0 | 0.0 |
| 2019 Q1 | 818 | 0 | 0 | 0.0 |
| 2018 Q4 | 1,191 | 0 | 0 | 0.0 |
| 2018 Q3 | 1,426 | 0 | 0 | 0.0 |
| 2018 Q2 | 1,815 | 1 | 1 | 551.0 |
| 2018 Q1 | 749 | 0 | 0 | 0.0 |
| 2017 Q4 | 874 | 1 | 0 | 1144.2 |
| 2017 Q3 | 1,403 | 0 | 0 | 0.0 |
| 2017 Q2 | 1,540 | 2 | 0 | 1298.7 |
| 2017 Q1 | 975 | 1 | 0 | 1025.6 |
| 2016 Q4 | 1,217 | 0 | 0 | 0.0 |
| 2016 Q3 | 1,099 | 2 | 1 | 1819.8 |
| 2016 Q2 | 1,308 | 0 | 0 | 0.0 |
| 2016 Q1 | 1,182 | 0 | 0 | 0.0 |
| 2015 Q4 | 1,343 | 1 | 0 | 744.6 |
| 2015 Q3 | 1,384 | 2 | 1 | 1445.1 |
| 2015 Q2 | 1,171 | 0 | 0 | 0.0 |
| 2015 Q1 | 1,127 | 1 | 1 | 887.3 |
| 2014 Q4 | 879 | 0 | 0 | 0.0 |
| 2014 Q3 | 1,125 | 0 | 0 | 0.0 |
| 2014 Q2 | 1,060 | 1 | 1 | 943.4 |
| 2014 Q1 | 838 | 1 | 0 | 1193.3 |
| 2013 Q4 | 866 | 0 | 0 | 0.0 |
| 2013 Q3 | 1,124 | 0 | 0 | 0.0 |
| 2013 Q2 | 1,212 | 1 | 1 | 825.1 |
| 2013 Q1 | 979 | 0 | 0 | 0.0 |
| 2012 Q4 | 1,122 | 2 | 0 | 1782.5 |
| 2012 Q3 | 1,375 | 0 | 0 | 0.0 |
| 2012 Q2 | 1,411 | 3 | 2 | 2126.2 |
| 2012 Q1 | 835 | 0 | 0 | 0.0 |
| 2011 Q4 | 837 | 0 | 0 | 0.0 |
| 2011 Q3 | 1,161 | 0 | 0 | 0.0 |
| 2011 Q2 | 784 | 0 | 0 | 0.0 |
| 2011 Q1 | 438 | 1 | 0 | 2283.1 |
| 2010 Q4 | 488 | 0 | 0 | 0.0 |
| 2010 Q3 | 862 | 0 | 0 | 0.0 |
| 2010 Q2 | 830 | 0 | 0 | 0.0 |
| 2010 Q1 | 513 | 0 | 0 | 0.0 |
| 2009 Q4 | 745 | 9 | 4 | 12080.5 |
| 2009 Q3 | 1,125 | 0 | 0 | 0.0 |
| 2009 Q2 | 1,066 | 0 | 0 | 0.0 |
| 2009 Q1 | 802 | 0 | 0 | 0.0 |
| 2008 Q4 | 984 | 0 | 0 | 0.0 |
| 2008 Q3 | 1,362 | 0 | 0 | 0.0 |
| 2008 Q2 | 1,409 | 1 | 1 | 709.7 |
| 2008 Q1 | 712 | 0 | 0 | 0.0 |
| 2007 Q4 | 615 | 0 | 0 | 0.0 |
| 2007 Q3 | 993 | 0 | 0 | 0.0 |
| 2007 Q2 | 859 | 0 | 0 | 0.0 |
| 2007 Q1 | 483 | 0 | 0 | 0.0 |
| 2006 Q4 | 448 | 1 | 0 | 2232.1 |
| 2006 Q3 | 750 | 0 | 0 | 0.0 |
| 2006 Q2 | 1,226 | 0 | 0 | 0.0 |
| 2006 Q1 | 883 | 0 | 0 | 0.0 |
| 2005 Q4 | 815 | 0 | 0 | 0.0 |
| 2005 Q3 | 1,035 | 0 | 0 | 0.0 |
| 2005 Q2 | 756 | 2 | 1 | 2645.5 |
| 2005 Q1 | 696 | 0 | 0 | 0.0 |
| 2004 Q4 | 750 | 0 | 0 | 0.0 |
| 2004 Q3 | 900 | 0 | 0 | 0.0 |
| 2004 Q2 | 772 | 0 | 0 | 0.0 |
| 2004 Q1 | 688 | 0 | 0 | 0.0 |
| 2003 Q4 | 716 | 0 | 0 | 0.0 |
| 2003 Q3 | 1,012 | 0 | 0 | 0.0 |
| 2003 Q2 | 773 | 0 | 0 | 0.0 |
| 2003 Q1 | 764 | 0 | 0 | 0.0 |
| 2002 Q4 | 811 | 0 | 0 | 0.0 |
| 2002 Q3 | 1,147 | 0 | 0 | 0.0 |
| 2002 Q2 | 866 | 0 | 0 | 0.0 |
| 2002 Q1 | 600 | 0 | 0 | 0.0 |
| 2001 Q4 | 651 | 0 | 0 | 0.0 |
| 2001 Q3 | 778 | 0 | 0 | 0.0 |
| 2001 Q2 | 670 | 0 | 0 | 0.0 |
| 2001 Q1 | 600 | 0 | 0 | 0.0 |
| 2000 Q4 | 646 | 0 | 0 | 0.0 |
| 2000 Q3 | 796 | 0 | 0 | 0.0 |
| 2000 Q2 | 675 | 0 | 0 | 0.0 |
| 2000 Q1 | 590 | 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 Kester Mine & Mill
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.