Key Takeaway

Cantera San Sebastian is a active surface mine producing Stone, located in San Sebastian, San Sebastian County, PR. It has 5 violations on record (0 S&S) and $755 in proposed penalties. Operated by Cantera San Sebastian.

Cantera San Sebastian

Active Surface Stone

Operator: Cantera San Sebastian

Controller: AEP LLC

Location: San Sebastian, San Sebastian County, PR

Employees: 6

5
Violations
0
S&S Violations
0
Accidents
$755
Penalties

Recent Violations

View all 5 →
Date Section S&S Negligence Penalty
11/10/2025 62.120 Non-S&S ModNegligence $151
11/04/2025 50.30(a) Non-S&S ModNegligence $151
09/03/2025 56.14132(a) Non-S&S ModNegligence $151
09/02/2025 56.23003(a) Non-S&S ModNegligence $151
09/02/2025 56.14100(b) Non-S&S ModNegligence $151

Inspections

View all 8 →
Begin End Hours Inspectors
01/07/2026 01/07/2026 6.50 1
12/31/2025 12/31/2025 3.00 1
12/08/2025 12/08/2025 0.50 1
10/31/2025 11/13/2025 42.00 1
09/30/2025 09/30/2025 1.00 1
09/22/2025 09/23/2025 8.00 1
09/09/2025 09/10/2025 8.00 1
09/02/2025 09/08/2025 28.00 1

Mine Details

MSHA Mine ID5400512
Mine TypeSurface
StatusActive
CommodityStone
SIC DescriptionCrushed, Broken Stone NEC
Employees6
Days/Week5.0
Hours/Shift8.0
Coordinates18.2966670, -67.0347220
Nearest TownSan Sebastian

Frequently Asked Questions

How many MSHA violations does Cantera San Sebastian have?

Cantera San Sebastian has 5 MSHA violations on record, of which 0 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $755.

What type of mine is Cantera San Sebastian?

Cantera San Sebastian is a Surface mine producing Stone, located in San Sebastian, San Sebastian County, PR. It currently has 6 employees.

Has anyone been injured or killed at Cantera San Sebastian?

According to MSHA records, Cantera San Sebastian has 0 reported accident/injury records and 0 fatalities on file.

Who operates Cantera San Sebastian?

Cantera San Sebastian is operated by Cantera San Sebastian and controlled by AEP LLC. MSHA Mine ID: 5400512.