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GLENROCK MINE Metal/Non-Metal

Black Hills Lignite A Limited Liability Co · Surface

Controlled by Harvest Holdings II LLC

Glenrock, Converse County, WY  ·  Active

MSHA Mine ID: 4801474

GLENROCK MINE has $20K in proposed MSHA penalties and $143 outstanding across 0 contested dockets, plus health sampling and the full incident record.

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Fatalities

0

Total incidents

1

Years on record

1997

Latest incident

Mar 1997

Compliance record

MSHA citations since 2002

41

citations

6

significant & substantial

$19,550

proposed penalties

$19,407

paid to date

99% of proposed penalties paid to date, a $143 gap.

Source: MSHA violations data, updated weekly.

Inspection activity

MSHA inspections since 2001

45

inspections on record

530

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: 530 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.

Source: MSHA inspections data, updated weekly.

GLENROCK MINE has $20K in proposed MSHA penalties and $143 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.

$20K

proposed penalties

$20K

current assessed

$19K

paid to date

$143

outstanding

40 assessments are final orders; 0 contested dockets.

As of the most recent assessment on 2023-12-20.

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	2,727	0	0	0.0
2025 Q3	3,083	0	0	0.0
2025 Q2	2,139	0	0	0.0
2025 Q1	2,075	0	0	0.0
2024 Q4	2,839	0	0	0.0
2024 Q3	2,566	0	0	0.0
2024 Q2	2,891	0	0	0.0
2024 Q1	2,188	0	0	0.0

Show 96 earlier quarters Hide earlier quarters

Quarter	Hours worked	Citations	S&S	Per 1M hrs
2023 Q4	2,607	1	0	383.6
2023 Q3	2,340	1	0	427.4
2023 Q2	2,263	0	0	0.0
2023 Q1	1,996	0	0	0.0
2022 Q4	2,895	1	0	345.4
2022 Q3	2,413	0	0	0.0
2022 Q2	3,137	0	0	0.0
2022 Q1	2,902	3	1	1033.8
2021 Q4	3,951	2	0	506.2
2021 Q3	3,812	0	0	0.0
2021 Q2	2,418	8	3	3308.5
2021 Q1	2,639	0	0	0.0
2020 Q4	3,272	0	0	0.0
2020 Q3	2,609	0	0	0.0
2020 Q2	747	0	0	0.0
2020 Q1	195	0	0	0.0
2019 Q4	19	0	0	0.0
2019 Q3	181	0	0	0.0
2019 Q2	988	0	0	0.0
2019 Q1	850	0	0	0.0
2018 Q4	505	0	0	0.0
2018 Q3	1,269	0	0	0.0
2018 Q2	0	0	0
2018 Q1	0	0	0
2017 Q4	934	1	0	1070.7
2017 Q3	0	0	0
2017 Q2	0	0	0
2017 Q1	0	0	0
2016 Q4	1,835	0	0	0.0
2016 Q3	0	0	0
2016 Q2	556	0	0	0.0
2016 Q1	433	0	0	0.0
2015 Q4	585	0	0	0.0
2015 Q3	579	2	0	3454.2
2015 Q2	549	0	0	0.0
2015 Q1	1,123	0	0	0.0
2014 Q4	1,334	0	0	0.0
2014 Q3	1,636	0	0	0.0
2014 Q2	588	0	0	0.0
2014 Q1	1,754	0	0	0.0
2013 Q4	1,720	0	0	0.0
2013 Q3	1,080	0	0	0.0
2013 Q2	642	0	0	0.0
2013 Q1	1,315	0	0	0.0
2012 Q4	1,132	0	0	0.0
2012 Q3	650	0	0	0.0
2012 Q2	617	0	0	0.0
2012 Q1	109	0	0	0.0
2011 Q4	418	0	0	0.0
2011 Q3	653	0	0	0.0
2011 Q2	0	1	0
2011 Q1	0	0	0
2010 Q4	0	0	0
2010 Q3	0	2	0
2010 Q2	0	0	0
2010 Q1	353	0	0	0.0
2009 Q4	0	0	0
2009 Q3	0	0	0
2009 Q2	0	0	0
2009 Q1	1,824	11	1	6030.7
2008 Q4	1,844	0	0	0.0
2008 Q3	0	0	0
2008 Q2	0	0	0
2008 Q1	0	0	0
2007 Q4	871	0	0	0.0
2007 Q3	0	0	0
2007 Q2	0	0	0
2007 Q1	1,091	0	0	0.0
2006 Q4	1,152	5	0	4340.3
2006 Q3	572	0	0	0.0
2006 Q2	390	0	0	0.0
2006 Q1	0	0	0
2005 Q4	1,184	0	0	0.0
2005 Q3	0	0	0
2005 Q2	575	0	0	0.0
2005 Q1	1	0	0	0.0
2004 Q4	0	0	0
2004 Q3	1,191	0	0	0.0
2004 Q2	0	0	0
2004 Q1	823	2	0	2430.1
2003 Q4	0	0	0
2003 Q3	0	0	0
2003 Q2	271	0	0	0.0
2003 Q1	0	0	0
2002 Q4	0	0	0
2002 Q3	447	1	1	2237.1
2002 Q2	0	0	0
2002 Q1	0	0	0
2001 Q4	0	0	0
2001 Q3	381	0	0	0.0
2001 Q2	1,066	0	0	0.0
2001 Q1	0	0	0
2000 Q4	1,116	0	0	0.0
2000 Q3	0	0	0
2000 Q2	821	0	0	0.0
2000 Q1	479	0	0	0.0

No fatalities recorded at this mine.

Reportable incidents

1 on file

1997 · 1 incident

March 13, 1997 WY · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON

Black Hills Lignite A Limited Liability Co · Over-exertion (Not Elsewhere Classified)

TWISTED RIGHT ANKLE WHEN STEPPING DOWN FROM SCRAPER.

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