Sanger Aggregate Plant has $33K in proposed MSHA penalties and $1K outstanding across 2 contested dockets, plus health sampling and the full incident record.
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Fatalities
0
Total incidents
5
Years on record
2014–2026
Latest incident
Jun 2026
Compliance record
MSHA citations since 2015
117
citations
28
significant & substantial
$32,821
proposed penalties
$31,283
paid to date
95% of proposed penalties paid to date, a $1,538 gap.
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: 603 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Sanger Aggregate Plant has $33K in proposed MSHA penalties and $1K 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.
$33K
proposed penalties
$32K
current assessed
$31K
paid to date
$1K
outstanding
116 assessments are final orders; 2 contested dockets.
Of $907 in penalties contested before the Commission, $429 was upheld in final decisions.
As of the most recent assessment on 2026-06-02.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Violation severity profile
ⓘShares are computed over citations that carry the MSHA gravity and negligence coding; a small share of records are uncoded.
Source: MSHA violations gravity and negligence coding, updated weekly.
When citations were contested
ⓘContesting a citation before the Federal Mine Safety and Health Review Commission is a lawful right. These figures state the public outcomes of that process, from MSHA's Contested Violations file.
3citations taken to the federal commission · 3% of citations on record
Settled
2 · 67%
Stood as issued
1 · 33%
0%
S&S designation survived the contest
ⓘCounts a Significant & Substantial citation as surviving when a settlement or judge's decision kept the designation, or the contest was dismissed or defaulted so the citation stands as issued. Vacated and withdrawn citations, and settlements that removed the designation, count against.
of 2 decided S&S contests · industry: 79%
53%
Penalty reduction in decided contests
$907 proposed, $429 after decisions · industry: 39%
Source: MSHA Contested Violations file (public record), updated weekly. A dismissed or defaulted contest leaves the citation standing as issued; a vacated or withdrawn citation is removed from the violation record. Latest contest filed 2022-02-14.
Contested penalties
ⓘA reduction or dismissal at the Commission is a lawful outcome of contesting a proposed penalty. Figures are the proposed amount and the amount upheld in the docket's decision.
Largest penalties this mine contested before the Federal Mine Safety and Health Review Commission, with the outcome on record.
Health sampling
ⓘA sample is a point in time compliance measurement, not an individual exposure history. These figures describe MSHA sampling records and do not establish causation or personal dose.
Metal and nonmetal contaminants (personal samples)
ⓘMany samples are screening measurements of substances with no applicable exposure limit; they are counted as samples but excluded from every over-limit figure. Over-limit shares use only limit-tested samples.
Last sampled: 2026-06-02
0%
of limit-tested samples over the exposure limit
4
samples
2
limit-tested
Most sampled contaminants
Quartz, respirable, >1% Qtz3
Respirable dust, <.1mg1
Show the individual readings (4)
Date
Contaminant
Concentration
Limit
Conc / limit
Occupation
2026-06-02
Quartz, respirable, >1% Qtz
0.36
0.93
0.39
Laborer, Bullgang
2026-06-02
Quartz, respirable, >1% Qtz
0.35
0.78
0.45
Laborer, Bullgang
2020-02-11
Quartz, respirable, >1% Qtz
0.15
Scraper Operator
2020-02-11
Respirable dust, <.1mg
0
Scraper Operator
Source: MSHA respirable dust, quartz, and noise sampling records, updated weekly. Metal/nonmetal contaminant figures come from MSHA's Personal Health Samples and Area Samples files (public record), updated weekly.
Sanger Aggregate Plant recorded 0.00 reportable injury cases per 100 full-time workers in 2025.
Injury rate, 2025
ⓘThis rate is reportable injury cases per 100 full-time-equivalent workers per year, computed as 200,000 times cases divided by MSHA operator-reported employee-hours. Cases are injuries MSHA graded degree 01 through 07; accident-only events that hurt no one are excluded, and so are contractor injuries, whose hours do not attach to a single mine. Rates begin in 2000, when quarterly employment reporting starts, and are withheld below 20,000 hours in a year.
0.00
total case rate
0.00
days-away rate
0.000
fatality rate
Below average. The US metal and nonmetal mining average was 1.65 and the all-US-mining average was 1.97 cases per 100 workers.
In California, metal and nonmetal mining averaged 1.42 cases per 100 workers that year.
Under 100,000 employee-hours were reported that year, so a single case moves the rate by two or more. Read the figure as approximate.
Year
total case rate
days-away
fatal
2025 *
0.00
0.00
0.000
2024 *
6.42
0.00
0.000
2023 *
6.14
6.14
0.000
2022 *
0.00
0.00
0.000
2021 *
0.00
0.00
0.000
2020 *
0.00
0.00
0.000
2019 *
0.00
0.00
0.000
2018 *
0.00
0.00
0.000
* Fewer than 100,000 employee-hours that year; the rate is less stable.
Source: injury cases from MSHA accident and injury records; employee-hours from MSHA quarterly employment reports. Rate is cases per 100 full-time-equivalent workers, operator employees only.
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year
Employees
2026
13
2025
10
2024
11
2023
13
2022
13
2021
13
2020
13
2019
15
2018
13
2017
11
2016
7
2015
8
2014
14
2013
11
Source: MSHA quarterly employment and production, updated weekly.
Sanger Aggregate Plant sits in Fresno County, California, where the Census mining category is 0.1% of county employment.
Local economic context
ⓘCounty figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.
Fresno County, California · Population 1,012,152
0.1%
Mining share of county employment
$71,434
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
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
2026 Q2
7,967
2
1
251.0
2026 Q1
5,711
0
0
0.0
2025 Q4
6,060
0
0
0.0
2025 Q3
4,464
1
0
224.0
2025 Q2
6,353
1
0
157.4
2025 Q1
6,797
4
0
588.5
2024 Q4
7,350
0
0
0.0
2024 Q3
8,338
0
0
0.0
Show 44 earlier quartersHide earlier quarters
Quarter
Hours worked
Citations
S&S
Per 1M hrs
2024 Q2
7,602
6
0
789.3
2024 Q1
7,878
2
0
253.9
2023 Q4
8,989
6
2
667.5
2023 Q3
7,930
0
0
0.0
2023 Q2
7,996
0
0
0.0
2023 Q1
7,639
0
0
0.0
2022 Q4
8,018
0
0
0.0
2022 Q3
8,527
8
0
938.2
2022 Q2
7,974
0
0
0.0
2022 Q1
7,307
0
0
0.0
2021 Q4
7,388
2
1
270.7
2021 Q3
8,403
0
0
0.0
2021 Q2
7,160
11
0
1536.3
2021 Q1
7,087
1
0
141.1
2020 Q4
7,531
0
0
0.0
2020 Q3
6,648
0
0
0.0
2020 Q2
6,706
2
0
298.2
2020 Q1
7,834
5
2
638.2
2019 Q4
8,875
0
0
0.0
2019 Q3
10,729
0
0
0.0
2019 Q2
10,280
0
0
0.0
2019 Q1
9,615
3
1
312.0
2018 Q4
8,482
0
0
0.0
2018 Q3
7,600
0
0
0.0
2018 Q2
7,877
0
0
0.0
2018 Q1
7,471
1
0
133.9
2017 Q4
7,546
0
0
0.0
2017 Q3
7,203
0
0
0.0
2017 Q2
6,937
0
0
0.0
2017 Q1
5,822
0
0
0.0
2016 Q4
4,570
1
0
218.8
2016 Q3
4,132
3
1
726.0
2016 Q2
3,634
0
0
0.0
2016 Q1
3,634
0
0
0.0
2015 Q4
2,934
0
0
0.0
2015 Q3
3,469
0
0
0.0
2015 Q2
3,705
0
0
0.0
2015 Q1
3,615
16
4
4426.0
2014 Q4
5,005
0
0
0.0
2014 Q3
7,599
0
0
0.0
2014 Q2
4,972
0
0
0.0
2014 Q1
5,478
0
0
0.0
2013 Q4
7,129
0
0
0.0
2013 Q3
4,189
0
0
0.0
No fatalities recorded at this mine.
Reportable incidents
5 on file
2026 · 1 incident
June 23, 2026CA · Metal/Non-Metaldry screening plant operator, screen house operatorHANDLING OF MATERIALS
Employee got an index finger injured between two pieces of metal when they tried to remove a jammed rock with index finger on right hand.
2024 · 1 incident
April 25, 2024CA · Metal/Non-Metalwarehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operatorSTEPPING OR KNEELING ON OBJECT
Two miners were installing a section of metal pipe on a pontoon for the dredge using a Caterpillar TL943C forklift. The pipe shifted out of the pontoon cradle and struck the injured miner on the lower left leg causing a fracture.
Uneven ground, smooth rock. Poor footing. Worker slipped on packing material from metal the worker was transferring to pallet. Packing material covered a rock and worker fell and hurt left knee.
Employee hooked a chain to a jaw crusher cheek plate to be lifted by an operator using an excavator. The lifting chain's eye slipped, hitting employee in the mouth. Split right side of employee's lower lip, damaging four teeth.
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