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Vernalis Plant Metal/Non-Metal

Granite Construction Company · Surface

Controlled by Granite Construction Inc

Vernalis, San Joaquin County, CA  ·  Active

MSHA Mine ID: 0405783

Vernalis Plant has $11K in proposed MSHA penalties and $0 outstanding across 1 contested dockets, plus health sampling and the full incident record.

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Fatalities

0

Total incidents

2

Years on record

2010–2016

Latest incident

May 2016

Compliance record

MSHA citations since 2009

61

citations

12

significant & substantial

$11,420

proposed penalties

$11,420

paid to date

100% of proposed penalties paid to date, a $0 gap.

Source: MSHA violations data, updated weekly.

Inspection activity

MSHA inspections since 2009

43

inspections on record

784

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

Source: MSHA inspections data, updated weekly.

Vernalis Plant has $11K in proposed MSHA penalties and $0 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.

$11K

proposed penalties

$11K

current assessed

$11K

paid to date

$0

outstanding

61 assessments are final orders; 1 contested dockets.

As of the most recent assessment on 2026-04-13.

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	12,328	1	0	81.1
2025 Q3	13,780	0	0	0.0
2025 Q2	13,857	6	1	433.0
2025 Q1	11,557	2	0	173.1
2024 Q4	12,469	0	0	0.0
2024 Q3	11,683	0	0	0.0
2024 Q2	11,561	0	0	0.0
2024 Q1	10,753	1	0	93.0

Show 58 earlier quarters Hide earlier quarters

Quarter	Hours worked	Citations	S&S	Per 1M hrs
2023 Q4	10,115	0	0	0.0
2023 Q3	13,178	0	0	0.0
2023 Q2	13,225	0	0	0.0
2023 Q1	9,082	1	0	110.1
2022 Q4	10,119	0	0	0.0
2022 Q3	12,202	5	0	409.8
2022 Q2	13,746	0	0	0.0
2022 Q1	12,703	1	0	78.7
2021 Q4	11,329	0	0	0.0
2021 Q3	11,927	0	0	0.0
2021 Q2	11,657	1	1	85.8
2021 Q1	11,079	0	0	0.0
2020 Q4	9,680	0	0	0.0
2020 Q3	11,463	1	0	87.2
2020 Q2	12,586	0	0	0.0
2020 Q1	12,645	1	0	79.1
2019 Q4	11,107	0	0	0.0
2019 Q3	11,496	0	0	0.0
2019 Q2	10,171	2	0	196.6
2019 Q1	11,053	0	0	0.0
2018 Q4	9,219	1	0	108.5
2018 Q3	10,904	0	0	0.0
2018 Q2	11,461	0	0	0.0
2018 Q1	9,888	1	1	101.1
2017 Q4	9,522	0	0	0.0
2017 Q3	10,172	0	0	0.0
2017 Q2	10,405	1	0	96.1
2017 Q1	7,131	1	0	140.2
2016 Q4	7,305	0	0	0.0
2016 Q3	11,266	4	0	355.1
2016 Q2	10,001	0	0	0.0
2016 Q1	6,907	0	0	0.0
2015 Q4	8,034	0	0	0.0
2015 Q3	11,398	0	0	0.0
2015 Q2	11,068	0	0	0.0
2015 Q1	9,477	0	0	0.0
2014 Q4	3,974	0	0	0.0
2014 Q3	7,275	0	0	0.0
2014 Q2	7,206	0	0	0.0
2014 Q1	4,364	0	0	0.0
2013 Q4	5,875	0	0	0.0
2013 Q3	6,247	1	0	160.1
2013 Q2	8,957	0	0	0.0
2013 Q1	6,192	1	0	161.5
2012 Q4	8,659	0	0	0.0
2012 Q3	12,925	1	0	77.4
2012 Q2	12,364	4	2	323.5
2012 Q1	8,510	1	0	117.5
2011 Q4	7,233	0	0	0.0
2011 Q3	10,109	0	0	0.0
2011 Q2	9,165	2	0	218.2
2011 Q1	7,357	3	0	407.8
2010 Q4	10,429	12	6	1150.6
2010 Q3	15,410	0	0	0.0
2010 Q2	10,122	0	0	0.0
2010 Q1	6,298	0	0	0.0
2009 Q4	13,579	0	0	0.0
2009 Q3	23,201	5	1	215.5

No fatalities recorded at this mine.

Reportable incidents

2 on file

2016 · 1 incident

May 13, 2016 CA · Metal/Non-Metal FIRE

Granite Construction Company · Accident type, without injuries

Screen Deck # 5 at Vernalis rock plant caught fire. No injuries as result of fire. Local Fire department was called immediately by maintenance foreman. Foreman was cutting out holes with cutting torch in preparation on the installation of the impact plates.

2010 · 1 incident

July 22, 2010 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY

Granite Construction Company · Caught in, under or between a moving and a stationary object

Worker was removing a bolt using a wrench and impact gun. Nut stuck and the force of the impact gun forced the wrench down and pinched off the tip of his finger

For insurers, brokers, and safety consultants

The full compliance file on Vernalis Plant

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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