Key Takeaway
Cantera Robles is a active surface mine producing Stone, located in Ponce, Ponce County, PR. It has 54 violations on record (12 S&S) and $8K in proposed penalties. Operated by Cantera Robles, Inc..
Cantera Robles
Operator: Cantera Robles, Inc.
Controller: Raul Robles; Francisco Robles
Location: Ponce, Ponce County, PR
Employees: 5
Recent Violations
View all 54 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 11/05/2025 | 56.14100(b) | S&S | HighNegligence | $642 |
| 11/05/2025 | 56.14103(b) | S&S | ModNegligence | $193 |
| 11/05/2025 | 56.14100(b) | Non-S&S | HighNegligence | $151 |
| 11/05/2025 | 56.14112(b) | S&S | HighNegligence | $642 |
| 12/17/2024 | 46.7(a) | S&S | ModNegligence | $193 |
| 12/17/2024 | 56.18010 | Non-S&S | ModNegligence | $151 |
| 11/20/2024 | 56.14100(b) | Non-S&S | ModNegligence | $147 |
| 11/20/2024 | 56.14100(b) | Non-S&S | ModNegligence | $147 |
| 04/17/2024 | 50.30(a) | Non-S&S | ModNegligence | $147 |
| 04/16/2024 | 56.14100(b) | Non-S&S | ModNegligence | $147 |
| 01/08/2024 | 56.14100(b) | Non-S&S | ModNegligence | $147 |
| 01/08/2024 | 56.14100(b) | Non-S&S | ModNegligence | $147 |
| 05/22/2023 | 56.11002 | S&S | ModNegligence | $182 |
| 01/09/2023 | 56.14100(b) | Non-S&S | ModNegligence | $143 |
| 01/09/2023 | 56.11001 | S&S | ModNegligence | $182 |
| 01/09/2023 | 56.14107(a) | Non-S&S | ModNegligence | $143 |
| 03/10/2022 | 56.14100(b) | Non-S&S | ModNegligence | $133 |
| 04/20/2021 | 56.14100(b) | Non-S&S | ModNegligence | $125 |
| 11/23/2020 | 56.14107(a) | Non-S&S | ModNegligence | $123 |
| 11/23/2020 | 56.11005 | S&S | ModNegligence | $144 |
Accidents & Injuries
View all 1 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 12/02/2024 | MACHINERY | DAYS AWAY FROM WORK ONLY | 141d lost |
Inspections
View all 93 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 12/30/2025 | 12/30/2025 | 3.00 | 1 |
| 12/08/2025 | 12/08/2025 | 4.50 | 1 |
| 11/05/2025 | 11/14/2025 | 25.00 | 1 |
| 11/05/2025 | 11/05/2025 | 0.00 | 0 |
| 06/02/2025 | 06/02/2025 | 2.50 | 1 |
| 05/14/2025 | 05/15/2025 | 16.75 | 1 |
| 04/15/2025 | 04/15/2025 | 7.25 | 1 |
| 04/01/2025 | 04/01/2025 | 4.00 | 1 |
| 01/30/2025 | 01/30/2025 | 7.00 | 1 |
| 01/07/2025 | 01/07/2025 | 7.00 | 1 |
Mine Details
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Frequently Asked Questions
How many MSHA violations does Cantera Robles have?
Cantera Robles has 54 MSHA violations on record, of which 12 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $8K.
What type of mine is Cantera Robles?
Cantera Robles is a Surface mine producing Stone, located in Ponce, Ponce County, PR. It currently has 5 employees.
Has anyone been injured or killed at Cantera Robles?
According to MSHA records, Cantera Robles has 1 reported accident/injury records and 0 fatalities on file.
Who operates Cantera Robles?
Cantera Robles is operated by Cantera Robles, Inc. and controlled by Raul Robles; Francisco Robles. MSHA Mine ID: 5400468.