Key Takeaway
M-R Aggregates is a active surface mine producing SandAndGravel, located in Rio Grande, Starr County, TX. It has 160 violations on record (49 S&S) and $122K in proposed penalties. Operated by M-R Aggregates.
M-R Aggregates
Operator: M-R Aggregates
Controller: Marc Lopez
Location: Rio Grande, Starr County, TX
Employees: 7
Recent Violations
View all 160 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 07/16/2025 | 56.15001 | Non-S&S | LowNegligence | $151 |
| 07/16/2025 | 56.9315 | Non-S&S | LowNegligence | $151 |
| 07/16/2025 | 56.12018 | Non-S&S | ModNegligence | $151 |
| 07/16/2025 | 56.20003(a) | Non-S&S | ModNegligence | $151 |
| 03/05/2025 | 56.14107(a) | Non-S&S | ModNegligence | $151 |
| 03/05/2025 | 56.14101(a)(2) | Non-S&S | ModNegligence | $151 |
| 03/05/2025 | 56.14100(b) | Non-S&S | ModNegligence | $151 |
| 07/31/2024 | 56.20003(a) | Non-S&S | ModNegligence | $147 |
| 07/31/2024 | 56.14100(b) | Non-S&S | ModNegligence | $147 |
| 01/23/2024 | 56.9300(a) | Non-S&S | ModNegligence | $147 |
| 01/23/2024 | 56.14207 | S&S | ModNegligence | $189 |
| 08/15/2023 | 56.14100 | Non-S&S | ModNegligence | $143 |
| 10/13/2022 | 56.14205 | Non-S&S | ModNegligence | $133 |
| 06/09/2022 | 56.4201(a)(2) | Non-S&S | ModNegligence | $133 |
| 03/03/2022 | 56.20003(a) | Non-S&S | ModNegligence | $133 |
| 03/03/2022 | 56.4102 | Non-S&S | ModNegligence | $133 |
| 05/12/2021 | 56.20003(a) | Non-S&S | ModNegligence | $125 |
| 11/18/2020 | 62.120 | Non-S&S | ModNegligence | $123 |
| 11/17/2020 | 47.44(b) | Non-S&S | ModNegligence | $123 |
| 05/06/2020 | 56.14101(a)(2) | Non-S&S | ModNegligence | $123 |
Inspections
View all 60 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 01/16/2026 | 01/16/2026 | 9.00 | 1 |
| 07/28/2025 | 07/28/2025 | 5.50 | 1 |
| 07/16/2025 | 07/17/2025 | 16.00 | 1 |
| 03/11/2025 | 03/11/2025 | 1.50 | 1 |
| 03/05/2025 | 03/05/2025 | 6.25 | 1 |
| 08/13/2024 | 08/13/2024 | 1.25 | 1 |
| 07/31/2024 | 07/31/2024 | 11.50 | 1 |
| 01/22/2024 | 01/29/2024 | 36.00 | 1 |
| 08/15/2023 | 08/15/2023 | 5.00 | 1 |
| 10/25/2022 | 10/25/2022 | 2.50 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does M-R Aggregates have?
M-R Aggregates has 160 MSHA violations on record, of which 49 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $122K.
What type of mine is M-R Aggregates?
M-R Aggregates is a Surface mine producing SandAndGravel, located in Rio Grande, Starr County, TX. It currently has 7 employees.
Has anyone been injured or killed at M-R Aggregates?
According to MSHA records, M-R Aggregates has 0 reported accident/injury records and 0 fatalities on file.
Who operates M-R Aggregates?
M-R Aggregates is operated by M-R Aggregates and controlled by Marc Lopez. MSHA Mine ID: 4104545.