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HILLSIDE PLANT Metal/Non-Metal

KILAUEA CRUSHERS INC · Surface

Controlled by C William Nichols

Morristown, Maricopa County, AZ  ·  Intermittent

MSHA Mine ID: 0203116

HILLSIDE PLANT has $167K in proposed MSHA penalties and $1K outstanding across 41 contested dockets, plus health sampling and the full incident record.

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Fatalities

0

Total incidents

2

Years on record

2007–2019

Latest incident

Oct 2019

Compliance record

MSHA citations since 2006

258

citations

63

significant & substantial

$166,639

proposed penalties

$127,517

paid to date

77% of proposed penalties paid to date, a $39,122 gap.

Source: MSHA violations data, updated weekly.

Inspection activity

MSHA inspections since 2006

65

inspections on record

923

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

Source: MSHA inspections data, updated weekly.

HILLSIDE PLANT has $167K in proposed MSHA penalties and $1K outstanding across 41 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.

$167K

proposed penalties

$129K

current assessed

$128K

paid to date

$1K

outstanding

256 assessments are final orders; 41 contested dockets.

As of the most recent assessment on 2025-09-18.

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	3,022	0	0	0.0
2025 Q3	2,217	4	0	1804.2
2025 Q2	1,066	0	0	0.0
2024 Q2	24,061	0	0	0.0
2024 Q1	21,855	0	0	0.0
2023 Q4	22,406	15	5	669.5
2023 Q3	19,633	0	0	0.0
2023 Q2	19,617	11	3	560.7

Show 68 earlier quarters Hide earlier quarters

Quarter	Hours worked	Citations	S&S	Per 1M hrs
2023 Q1	18,920	1	1	52.9
2022 Q4	18,569	6	1	323.1
2022 Q3	16,947	0	0	0.0
2022 Q2	15,034	13	1	864.7
2022 Q1	13,911	6	4	431.3
2021 Q4	14,273	2	0	140.1
2021 Q3	14,127	0	0	0.0
2021 Q2	16,090	1	0	62.2
2021 Q1	13,817	3	1	217.1
2020 Q4	16,071	0	0	0.0
2020 Q3	14,832	0	0	0.0
2020 Q2	15,279	3	1	196.3
2020 Q1	14,173	6	2	423.3
2019 Q4	14,836	1	1	67.4
2019 Q3	16,898	0	0	0.0
2019 Q2	15,585	16	4	1026.6
2019 Q1	8,325	0	0	0.0
2018 Q4	6,501	16	2	2461.2
2018 Q3	6,840	0	0	0.0
2018 Q2	7,871	6	3	762.3
2018 Q1	8,022	0	0	0.0
2017 Q4	6,295	11	5	1747.4
2017 Q3	6,770	0	0	0.0
2017 Q2	5,807	5	3	861.0
2017 Q1	4,643	8	0	1723.0
2016 Q4	4,393	0	0	0.0
2016 Q3	5,623	5	1	889.2
2016 Q2	6,069	0	0	0.0
2016 Q1	4,460	0	0	0.0
2015 Q4	5,886	7	2	1189.3
2015 Q3	4,391	0	0	0.0
2015 Q2	4,362	2	1	458.5
2015 Q1	3,821	0	0	0.0
2014 Q4	4,975	9	3	1809.0
2014 Q3	4,444	0	0	0.0
2014 Q2	6,155	7	0	1137.3
2014 Q1	3,247	0	0	0.0
2013 Q4	2,679	0	0	0.0
2013 Q3	3,072	8	1	2604.2
2013 Q2	4,557	0	0	0.0
2013 Q1	2,471	0	0	0.0
2012 Q4	3,927	6	1	1527.9
2012 Q3	4,232	0	0	0.0
2012 Q2	4,616	0	0	0.0
2012 Q1	4,221	0	0	0.0
2011 Q4	2,759	6	0	2174.7
2011 Q3	2,318	7	3	3019.8
2011 Q2	1,335	0	0	0.0
2011 Q1	556	0	0	0.0
2010 Q4	520	11	3	21153.8
2010 Q3	509	0	0	0.0
2010 Q2	2,246	1	0	445.2
2010 Q1	2,146	0	0	0.0
2009 Q4	2,118	5	1	2360.7
2009 Q3	2,979	0	0	0.0
2009 Q2	2,915	5	1	1715.3
2009 Q1	2,712	3	0	1106.2
2008 Q4	3,759	0	0	0.0
2008 Q3	5,115	0	0	0.0
2008 Q2	5,553	13	4	2341.1
2008 Q1	7,218	2	0	277.1
2007 Q4	9,902	0	0	0.0
2007 Q3	8,270	0	0	0.0
2007 Q2	7,066	0	0	0.0
2007 Q1	6,645	14	5	2106.8
2006 Q4	3,434	0	0	0.0
2006 Q3	2,466	12	0	4866.2
2006 Q2	2,596	0	0	0.0

No fatalities recorded at this mine.

Reportable incidents

2 on file

2019 · 1 incident

October 17, 2019 AZ · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON

Kilauea Crushers Inc · Fall from machine

Was checking air filter on Volvo 350 loader while standing on tire and lost balance and fell. Twisted while falling to avoid hitting head and landed on arm.

2007 · 1 incident

September 26, 2007 AZ · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider SLIP OR FALL OF PERSON

Kilauea Crushers Inc · Struck by rolling or sliding object

While cleaning debris from the grizzly feeder he lost his balance and slid down a chute about 39" onto a pile of rock. One of the rocks rolled down and bruised his right leg. This machine was shut down and locked out at the time the task was being performed.

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