Key Takeaway

Rio Medina Operations is a active surface mine producing Stone, located in Rio Medina, Medina County, TX. It has 34 violations on record (1 S&S) and $4K in proposed penalties. Operated by Capitol Aggregates Inc.

Rio Medina Operations

Active Surface Stone

Operator: Capitol Aggregates Inc

Controller: Zachry Corporation

Location: Rio Medina, Medina County, TX

Employees: 5

34
Violations
1
S&S Violations
3
Accidents
$4K
Penalties

Recent Violations

View all 34 →
Date Section S&S Negligence Penalty
02/18/2026 56.14207 Non-S&S ModNegligence $0
02/18/2026 56.14205 Non-S&S ModNegligence $0
02/18/2026 56.14100(c) Non-S&S ModNegligence $0
02/18/2026 56.14100(c) Non-S&S ModNegligence $0
02/18/2026 56.12018 Non-S&S ModNegligence $0
02/18/2026 56.14107(a) Non-S&S ModNegligence $0
02/18/2026 56.14100(b) Non-S&S ModNegligence $0
02/18/2026 47.42(a) Non-S&S ModNegligence $0
02/18/2026 56.4104(a) Non-S&S ModNegligence $0
02/18/2026 56.12023 Non-S&S ModNegligence $0
08/06/2025 56.16005 Non-S&S ModNegligence $151
08/06/2025 56.20003(c) Non-S&S ModNegligence $151
01/23/2025 56.12008 Non-S&S ModNegligence $151
01/23/2025 56.11002 Non-S&S ModNegligence $151
01/22/2025 56.14107(a) Non-S&S ModNegligence $151
02/28/2024 Non-S&S $0
02/28/2024 56.14211(a) S&S ModNegligence $886
02/27/2024 56.14112(b) Non-S&S ModNegligence $147
07/05/2023 56.4200(b)(2) Non-S&S ModNegligence $143
11/08/2022 56.14100(a) Non-S&S ModNegligence $133

Accidents & Injuries

View all 3 →
Date Classification Injury Days Lost
12/13/2024 SLIP OR FALL OF PERSON DYS AWY FRM WRK & RESTRCTD ACT 85d lost, 68d restricted
10/27/2023 SLIP OR FALL OF PERSON NO DYS AWY FRM WRK,NO RSTR ACT None
08/13/2023 FIRE ACCIDENT ONLY None

Inspections

View all 23 →
Begin End Hours Inspectors
02/17/2026 02/19/2026 29.75 2
08/06/2025 08/06/2025 19.75 1
01/27/2025 01/27/2025 4.00 1
01/22/2025 01/27/2025 17.00 1
08/22/2024 08/22/2024 5.75 1
07/29/2024 08/05/2024 15.50 1
05/22/2024 05/23/2024 3.00 1
04/15/2024 04/15/2024 2.75 1
02/27/2024 03/05/2024 18.50 1
07/05/2023 07/07/2023 21.00 1

Mine Details

MSHA Mine ID4105278
Mine TypeSurface
StatusActive
CommodityStone
SIC DescriptionCrushed, Broken Limestone NEC
Employees5
Days/Week6.0
Hours/Shift12.0
Coordinates29.4811110, -98.9855560
Nearest TownRio Medina

Frequently Asked Questions

How many MSHA violations does Rio Medina Operations have?

Rio Medina Operations has 34 MSHA violations on record, of which 1 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $4K.

What type of mine is Rio Medina Operations?

Rio Medina Operations is a Surface mine producing Stone, located in Rio Medina, Medina County, TX. It currently has 5 employees.

Has anyone been injured or killed at Rio Medina Operations?

According to MSHA records, Rio Medina Operations has 3 reported accident/injury records and 0 fatalities on file.

Who operates Rio Medina Operations?

Rio Medina Operations is operated by Capitol Aggregates Inc and controlled by Zachry Corporation. MSHA Mine ID: 4105278.