Mining Incidents

ZCC Capitol Screening Operation: 4 MSHA citations Metal/Non-Metal

Zachry Construction Corporation · Facility
Controlled by Zachry Corporation
San Antonio, Bexar County, TX  ·  Intermittent
MSHA Mine ID: 4105731

ZCC Capitol Screening Operation has $602 in proposed MSHA penalties and $0 outstanding across 0 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
0
Years on record
Latest incident
Compliance record
MSHA citations since 2024
4
citations
2
significant & substantial
$602
proposed penalties
$602
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2024
3
inspections on record
21
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: 21 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

ZCC Capitol Screening Operation has $602 in proposed MSHA penalties and $0 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.
$602
proposed penalties
$602
current assessed
$602
paid to date
$0
outstanding
4 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2024-08-08.
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.
50.0%
significant & substantial
0.0%
high negligence or reckless
50.0%
reasonably likely or greater
25.0%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 25.0% low, 75.0% moderate, 0.0% high, 0.0% reckless.
Source: MSHA violations gravity and negligence coding, updated weekly.
Ownership history
  1. Zachry-Austin North Loop Constructors 2024 to 2025
  2. Zachry Construction Corporation 2025 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2026 1
2025 3
2024 3
Source: MSHA quarterly employment and production, updated weekly.

ZCC Capitol Screening Operation sits in Bexar County, Texas, where the Census mining category is 0.6% 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.
Bexar County, Texas · Population 2,037,344
0.6%
Mining share of county employment
$70,571
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 0 0 0
2026 Q1 80 0 0 0.0
2025 Q4 170 0 0 0.0
2025 Q3 213 0 0 0.0
2025 Q2 79 0 0 0.0
2025 Q1 651 0 0 0.0
2024 Q4 505 0 0 0.0
2024 Q3 1,429 3 1 2099.4
Show 1 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2024 Q2 2,011 0 0 0.0

No reportable incidents on file.

MSHA has no recorded reportable accidents for this mine in the current dataset. New reports appear here within a week of being filed.