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Keaau Quarry Metal/Non-Metal

Puna Rock Company Ltd · Surface

Controlled by Russell Kuwaye

Keaau, Hawaii County, HI  ·  Active

MSHA Mine ID: 5100165

Keaau Quarry has $61K in proposed MSHA penalties and $0 outstanding across 3 contested dockets, plus health sampling and the full incident record.

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Fatalities

0

Total incidents

4

Years on record

2013–2022

Latest incident

Dec 2022

Compliance record

MSHA citations since 2000

130

citations

40

significant & substantial

$60,870

proposed penalties

$38,548

paid to date

63% of proposed penalties paid to date, a $22,322 gap.

Source: MSHA violations data, updated weekly.

Inspection activity

MSHA inspections since 2000

51

inspections on record

865

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

Source: MSHA inspections data, updated weekly.

Keaau Quarry has $61K in proposed MSHA penalties and $0 outstanding across 3 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.

$61K

proposed penalties

$39K

current assessed

$39K

paid to date

$0

outstanding

127 assessments are final orders; 3 contested dockets.

As of the most recent assessment on 2026-02-11.

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	4,617	0	0	0.0
2025 Q3	4,855	0	0	0.0
2025 Q2	4,874	9	2	1846.5
2025 Q1	4,840	0	0	0.0
2024 Q4	4,971	0	0	0.0
2024 Q3	5,532	0	0	0.0
2024 Q2	4,924	4	1	812.3
2024 Q1	5,517	1	0	181.3

Show 96 earlier quarters Hide earlier quarters

Quarter	Hours worked	Citations	S&S	Per 1M hrs
2023 Q4	4,880	0	0	0.0
2023 Q3	5,333	0	0	0.0
2023 Q2	5,408	0	0	0.0
2023 Q1	5,492	0	0	0.0
2022 Q4	5,794	1	0	172.6
2022 Q3	5,918	0	0	0.0
2022 Q2	6,003	7	2	1166.1
2022 Q1	6,237	14	4	2244.7
2021 Q4	5,891	0	0	0.0
2021 Q3	5,646	0	0	0.0
2021 Q2	5,717	0	0	0.0
2021 Q1	5,325	2	0	375.6
2020 Q4	4,852	0	0	0.0
2020 Q3	4,839	2	0	413.3
2020 Q2	5,723	0	0	0.0
2020 Q1	5,959	2	0	335.6
2019 Q4	5,354	0	0	0.0
2019 Q3	4,768	0	0	0.0
2019 Q2	4,592	0	0	0.0
2019 Q1	4,470	3	2	671.1
2018 Q4	4,365	0	0	0.0
2018 Q3	5,072	0	0	0.0
2018 Q2	4,712	1	0	212.2
2018 Q1	4,281	0	0	0.0
2017 Q4	4,006	1	0	249.6
2017 Q3	4,290	1	0	233.1
2017 Q2	4,346	0	0	0.0
2017 Q1	4,103	5	2	1218.6
2016 Q4	3,334	0	0	0.0
2016 Q3	3,403	0	0	0.0
2016 Q2	3,273	1	0	305.5
2016 Q1	3,360	2	0	595.2
2015 Q4	3,355	0	0	0.0
2015 Q3	3,387	0	0	0.0
2015 Q2	3,076	4	3	1300.4
2015 Q1	3,126	2	2	639.8
2014 Q4	3,260	0	0	0.0
2014 Q3	3,741	0	0	0.0
2014 Q2	3,039	1	0	329.1
2014 Q1	2,634	1	0	379.7
2013 Q4	2,327	0	0	0.0
2013 Q3	2,550	2	0	784.3
2013 Q2	2,776	0	0	0.0
2013 Q1	2,771	3	2	1082.6
2012 Q4	2,777	0	0	0.0
2012 Q3	2,872	0	0	0.0
2012 Q2	2,742	4	0	1458.8
2012 Q1	3,078	0	0	0.0
2011 Q4	2,846	2	0	702.7
2011 Q3	2,301	0	0	0.0
2011 Q2	2,548	4	2	1569.9
2011 Q1	2,679	2	0	746.5
2010 Q4	2,614	0	0	0.0
2010 Q3	2,712	0	0	0.0
2010 Q2	2,722	7	4	2571.6
2010 Q1	2,715	8	5	2946.6
2009 Q4	2,683	0	0	0.0
2009 Q3	2,791	0	0	0.0
2009 Q2	2,759	0	0	0.0
2009 Q1	2,742	2	0	729.4
2008 Q4	2,760	0	0	0.0
2008 Q3	3,980	0	0	0.0
2008 Q2	4,116	0	0	0.0
2008 Q1	4,007	3	2	748.7
2007 Q4	4,411	0	0	0.0
2007 Q3	3,822	0	0	0.0
2007 Q2	3,612	0	0	0.0
2007 Q1	4,906	0	0	0.0
2006 Q4	3,704	4	1	1079.9
2006 Q3	3,806	0	0	0.0
2006 Q2	3,732	0	0	0.0
2006 Q1	3,616	5	2	1382.7
2005 Q4	3,811	0	0	0.0
2005 Q3	3,697	0	0	0.0
2005 Q2	3,663	5	0	1365.0
2005 Q1	3,438	0	0	0.0
2004 Q4	3,141	0	0	0.0
2004 Q3	2,901	0	0	0.0
2004 Q2	2,859	0	0	0.0
2004 Q1	2,777	1	0	360.1
2003 Q4	2,475	0	0	0.0
2003 Q3	2,637	0	0	0.0
2003 Q2	2,878	0	0	0.0
2003 Q1	2,356	0	0	0.0
2002 Q4	2,388	0	0	0.0
2002 Q3	2,495	0	0	0.0
2002 Q2	2,831	7	3	2472.6
2002 Q1	2,786	0	0	0.0
2001 Q4	3,373	0	0	0.0
2001 Q3	3,469	0	0	0.0
2001 Q2	3,409	0	0	0.0
2001 Q1	2,884	0	0	0.0
2000 Q4	2,477	5	1	2018.6
2000 Q3	3,461	0	0	0.0
2000 Q2	2,580	0	0	0.0
2000 Q1	2,108	0	0	0.0

No fatalities recorded at this mine.

Reportable incidents

4 on file

2022 · 2 incidents

December 2, 2022 HI · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider HANDLING OF MATERIALS

Puna Rock Company Ltd · Over-exertion (Not Elsewhere Classified)

While handling an oxygen cylinder, they slipped and stumbled, then while trying to prevent the cylinder from falling they aggravated their back.

July 25, 2022 HI · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS

Puna Rock Company Ltd · Struck by falling object

While setting up a crusher, the crusher rock guard accidentally fell on right pinky finger which caused a contusion

2018 · 1 incident

February 21, 2018 HI · Metal/Non-Metal crusher attendant/operator, pan feeder operator/worker MACHINERY

Puna Rock Company Ltd · Caught in, under or between running or meshing objects

While cutting off metal conveyor belt splices with a pneumatic cutting tool, the head portion of the tool got loose and spun around and the cutting blade disk cut the palm of employee's right hand.

2013 · 1 incident

August 16, 2013 HI · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDTOOLS (NONPOWERED)

Puna Rock Company Ltd · Struck by... (Not Elsewhere Classified)

While cribbing the tail pulley section of a conveyor, the pry bar slipped and struck the employee on his foot resulting in broken bones in his foot.

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The full compliance file on Keaau 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.

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