Key Takeaway

Beckmann Quarry is a active surface mine producing Stone, located in San Antonio, Bexar County, TX. It has 252 violations on record (32 S&S) and $65K in proposed penalties. Operated by Martin Marietta Materials Southwest LLC.

Beckmann Quarry

Active Surface Stone

Operator: Martin Marietta Materials Southwest LLC

Controller: Martin Marietta Materials Inc

Location: San Antonio, Bexar County, TX

Employees: 230

252
Violations
32
S&S Violations
57
Accidents
$65K
Penalties

Recent Violations

View all 252 →
Date Section S&S Negligence Penalty
10/28/2025 56.18002(b) Non-S&S ModNegligence $151
10/27/2025 56.11011 Non-S&S LowNegligence $151
10/27/2025 56.12004 Non-S&S LowNegligence $151
07/22/2025 56.11002 Non-S&S ModNegligence $151
07/22/2025 56.20003(a) S&S ModNegligence $755
07/22/2025 56.11001 Non-S&S ModNegligence $151
07/22/2025 56.16005 Non-S&S ModNegligence $151
03/04/2025 56.20003(a) Non-S&S ModNegligence $151
03/04/2025 56.20003(b) Non-S&S ModNegligence $151
03/04/2025 56.20003(b) Non-S&S ModNegligence $151
03/03/2025 56.20003(a) Non-S&S ModNegligence $151
04/30/2024 56.12028 Non-S&S LowNegligence $147
04/30/2024 56.14207 Non-S&S LowNegligence $147
04/30/2024 56.14100(a) Non-S&S ModNegligence $147
04/30/2024 56.12030 Non-S&S LowNegligence $147
04/30/2024 56.14100(a) Non-S&S ModNegligence $147
04/30/2024 56.14100(a) Non-S&S ModNegligence $147
04/30/2024 56.12028 Non-S&S LowNegligence $147
04/30/2024 56.12030 S&S ModNegligence $388
04/30/2024 56.14100(a) Non-S&S ModNegligence $147

Accidents & Injuries

View all 57 →
Date Classification Injury Days Lost
01/19/2026 OTHER NO DYS AWY FRM WRK,NO RSTR ACT None
09/18/2023 MACHINERY NO DYS AWY FRM WRK,NO RSTR ACT None
11/19/2020 SLIP OR FALL OF PERSON DYS AWY FRM WRK & RESTRCTD ACT 54d lost, 54d restricted
09/05/2020 MACHINERY DAYS AWAY FROM WORK ONLY 360d lost
09/11/2018 POWERED HAULAGE DAYS RESTRICTED ACTIVITY ONLY 86d restricted
07/22/2016 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 75d restricted
03/29/2016 MACHINERY DAYS RESTRICTED ACTIVITY ONLY 51d restricted
02/15/2016 EXPLODING VESSELS UNDER PRESSURE DYS AWY FRM WRK & RESTRCTD ACT 12d lost, 65d restricted
11/04/2015 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 164d lost
04/30/2015 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None

Inspections

View all 81 →
Begin End Hours Inspectors
10/27/2025 10/28/2025 20.25 1
08/27/2025 08/27/2025 21.50 1
07/21/2025 07/22/2025 38.50 2
03/04/2025 03/10/2025 12.25 1
03/03/2025 03/05/2025 39.75 2
04/26/2024 05/02/2024 47.50 1
03/25/2024 03/27/2024 33.00 1
09/11/2023 09/14/2023 45.25 1
04/03/2023 04/07/2023 25.50 1
09/15/2022 09/20/2022 47.00 1

Mine Details

MSHA Mine ID4101335
Mine TypeSurface
StatusActive
CommodityStone
SIC DescriptionCrushed, Broken Limestone NEC
Employees230
Days/Week5.0
Hours/Shift10.0
Coordinates29.5702780, -98.6508330
Nearest TownSan Antonio

Frequently Asked Questions

How many MSHA violations does Beckmann Quarry have?

Beckmann Quarry has 252 MSHA violations on record, of which 32 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $65K.

What type of mine is Beckmann Quarry?

Beckmann Quarry is a Surface mine producing Stone, located in San Antonio, Bexar County, TX. It currently has 230 employees.

Has anyone been injured or killed at Beckmann Quarry?

According to MSHA records, Beckmann Quarry has 57 reported accident/injury records and 0 fatalities on file.

Who operates Beckmann Quarry?

Beckmann Quarry is operated by Martin Marietta Materials Southwest LLC and controlled by Martin Marietta Materials Inc. MSHA Mine ID: 4101335.