Key Takeaway
Knippa Quarry is a active surface mine producing Stone, located in Knippa, Uvalde County, TX. It has 84 violations on record (8 S&S) and $15K in proposed penalties. Operated by Vulcan Construction Materials, LLC.
Knippa Quarry
Operator: Vulcan Construction Materials, LLC
Controller: Vulcan Materials Company
Location: Knippa, Uvalde County, TX
Employees: 17
Recent Violations
View all 84 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 03/25/2025 | 56.12008 | Non-S&S | ModNegligence | $151 |
| 08/14/2024 | 56.9300(b) | Non-S&S | ModNegligence | $147 |
| 07/17/2023 | 56.14100(b) | Non-S&S | ModNegligence | $143 |
| 10/18/2022 | 56.11002 | Non-S&S | ModNegligence | $133 |
| 06/07/2022 | 47.44(b) | Non-S&S | ModNegligence | $133 |
| 12/06/2021 | 56.9300(a) | S&S | ModNegligence | $1,089 |
| 08/23/2021 | 56.11001 | Non-S&S | ModNegligence | $125 |
| 01/19/2021 | 46.9(d)(4) | Non-S&S | HighNegligence | $125 |
| 12/18/2019 | 56.12004 | Non-S&S | ModNegligence | $123 |
| 06/19/2019 | 56.20003(c) | Non-S&S | ModNegligence | $293 |
| 06/19/2019 | 56.14101(a)(2) | Non-S&S | ModNegligence | $121 |
| 06/11/2019 | 56.9300(b) | S&S | ModNegligence | $977 |
| 02/20/2019 | 56.20003(a) | S&S | ModNegligence | $293 |
| 02/20/2019 | 56.12032 | Non-S&S | ModNegligence | $121 |
| 02/20/2019 | 56.4603(b) | Non-S&S | ModNegligence | $121 |
| 04/11/2018 | 56.11012 | S&S | ModNegligence | $243 |
| 11/21/2017 | 56.12004 | Non-S&S | ModNegligence | $118 |
| 04/27/2017 | 50.20(a) | Non-S&S | ModNegligence | $116 |
| 04/24/2017 | 56.14207 | Non-S&S | LowNegligence | $116 |
| 02/02/2017 | 56.14201(b) | Non-S&S | ModNegligence | $116 |
Accidents & Injuries
View all 20 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 03/17/2021 | HANDTOOLS (NONPOWERED) | DAYS RESTRICTED ACTIVITY ONLY | 6d restricted |
| 07/09/2020 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 8d lost |
| 10/15/2016 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 2d restricted |
| 10/08/2016 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 6d restricted |
| 10/16/2012 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 2d restricted |
| 04/20/2012 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 261d restricted |
| 05/21/2011 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 05/07/2011 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 120d lost |
| 10/26/2010 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 75d restricted |
| 10/11/2010 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 179d restricted |
Inspections
View all 66 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 11/17/2025 | 11/18/2025 | 19.50 | 1 |
| 07/01/2025 | 07/02/2025 | 21.25 | 1 |
| 03/25/2025 | 03/26/2025 | 11.75 | 1 |
| 08/14/2024 | 08/15/2024 | 12.00 | 1 |
| 03/20/2024 | 03/21/2024 | 16.25 | 1 |
| 08/02/2023 | 08/02/2023 | 3.25 | 1 |
| 07/17/2023 | 07/18/2023 | 9.75 | 1 |
| 10/17/2022 | 10/18/2022 | 14.25 | 1 |
| 06/06/2022 | 06/08/2022 | 31.50 | 1 |
| 12/06/2021 | 12/07/2021 | 20.50 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Knippa Quarry have?
Knippa Quarry has 84 MSHA violations on record, of which 8 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $15K.
What type of mine is Knippa Quarry?
Knippa Quarry is a Surface mine producing Stone, located in Knippa, Uvalde County, TX. It currently has 17 employees.
Has anyone been injured or killed at Knippa Quarry?
According to MSHA records, Knippa Quarry has 20 reported accident/injury records and 0 fatalities on file.
Who operates Knippa Quarry?
Knippa Quarry is operated by Vulcan Construction Materials, LLC and controlled by Vulcan Materials Company. MSHA Mine ID: 4100075.