Zahn Pit 1 Rock Quarry has $11K in proposed MSHA penalties and $133 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
1999
Latest incident
Mar 1999
Compliance record
MSHA citations since 2002
55
citations
14
significant & substantial
$11,241
proposed penalties
$11,108
paid to date
99% of proposed penalties paid to date, a $133 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: 277 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Zahn Pit 1 Rock Quarry has $11K in proposed MSHA penalties and $133 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.
$11K
proposed penalties
$11K
current assessed
$11K
paid to date
$133
outstanding
55 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2024-03-12.
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 controller and operator history, updated weekly.
Workforce and production
Year
Employees
2026
4
2025
1
2024
3
2023
4
2022
2
2021
4
2020
4
2019
6
2018
5
2017
4
2016
4
2012
5
2005
3
2004
5
2003
6
2002
2
2001
3
2000
3
Source: MSHA quarterly employment and production, updated weekly.
Zahn Pit 1 Rock Quarry sits in Lubbock County, Texas, where the Census mining category is 1.3% 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.
Lubbock County, Texas · Population 314,633
1.3%
Mining share of county employment
$63,367
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
43
0
0
0.0
2026 Q1
1,279
0
0
0.0
2025 Q4
872
0
0
0.0
2025 Q3
0
0
0
2025 Q2
0
0
0
2025 Q1
0
0
0
2024 Q4
676
0
0
0.0
2024 Q3
914
0
0
0.0
Show 58 earlier quartersHide earlier quarters
Quarter
Hours worked
Citations
S&S
Per 1M hrs
2024 Q2
955
0
0
0.0
2024 Q1
732
2
0
2732.2
2023 Q4
1,001
0
0
0.0
2023 Q3
821
6
0
7308.2
2023 Q2
898
0
0
0.0
2023 Q1
1,307
0
0
0.0
2022 Q4
0
0
0
2022 Q3
0
0
0
2022 Q2
834
11
5
13189.4
2022 Q1
1,604
0
0
0.0
2021 Q4
1,996
0
0
0.0
2021 Q3
1,549
6
1
3873.5
2021 Q2
1,438
0
0
0.0
2021 Q1
142
0
0
0.0
2020 Q4
36
0
0
0.0
2020 Q3
589
3
0
5093.4
2020 Q2
1,218
0
0
0.0
2020 Q1
1,046
0
0
0.0
2019 Q4
123
0
0
0.0
2019 Q3
1,016
0
0
0.0
2019 Q2
2,151
0
0
0.0
2019 Q1
1,971
3
0
1522.1
2018 Q4
786
0
0
0.0
2018 Q3
1,776
0
0
0.0
2018 Q2
853
0
0
0.0
2018 Q1
207
4
3
19323.7
2017 Q4
564
0
0
0.0
2017 Q2
44
0
0
0.0
2017 Q1
303
2
0
6600.7
2016 Q4
165
0
0
0.0
2016 Q3
370
0
0
0.0
2016 Q2
192
0
0
0.0
2016 Q1
1,080
6
4
5555.6
2012 Q1
319
0
0
0.0
2005 Q4
0
0
0
2005 Q3
1,298
2
0
1540.8
2005 Q2
4,161
0
0
0.0
2005 Q1
1,537
0
0
0.0
2004 Q4
1,712
0
0
0.0
2004 Q3
1,742
0
0
0.0
2004 Q2
1,992
0
0
0.0
2004 Q1
1,248
0
0
0.0
2003 Q4
1,562
1
0
640.2
2003 Q3
1,558
0
0
0.0
2003 Q2
2,708
4
1
1477.1
2003 Q1
3,953
0
0
0.0
2002 Q4
1,851
0
0
0.0
2002 Q3
1,906
1
0
524.7
2002 Q2
95
3
0
31578.9
2002 Q1
144
0
0
0.0
2001 Q4
192
0
0
0.0
2001 Q3
187
0
0
0.0
2001 Q2
537
0
0
0.0
2001 Q1
941
0
0
0.0
2000 Q4
192
0
0
0.0
2000 Q3
1,049
0
0
0.0
2000 Q2
445
0
0
0.0
2000 Q1
478
0
0
0.0
No fatalities recorded at this mine.
Reportable incidents
1 on file
1999 · 1 incident
March 24, 1999TX · Metal/Non-Metalfront-end loader, scraper-loader operator, pan operator, payloader, scraper rig operatorSLIP OR FALL OF PERSON