Key Takeaway

Cantera Adjuntas is a active surface mine producing Stone, located in Adjuntas, Ponce County, PR. It has 21 violations on record (7 S&S) and $6K in proposed penalties. Operated by Cantera Adjuntas , Inc..

Cantera Adjuntas

Active Surface Stone

Operator: Cantera Adjuntas , Inc.

Controller: Rafael A Andujar Velez

Location: Adjuntas, Ponce County, PR

Employees: 4

21
Violations
7
S&S Violations
0
Accidents
$6K
Penalties

Recent Violations

View all 21 →
Date Section S&S Negligence Penalty
01/15/2026 56.18002(b) Non-S&S ModNegligence $151
08/04/2025 56.14107(a) Non-S&S ModNegligence $151
08/04/2025 56.14107(a) Non-S&S ModNegligence $151
08/04/2025 56.14132(a) Non-S&S ModNegligence $245
03/27/2025 56.14100(b) S&S ModNegligence $177
03/25/2025 56.9201 S&S ModNegligence $177
03/25/2025 56.14130(h) Non-S&S ModNegligence $151
03/24/2025 56.14100(b) S&S ModNegligence $398
03/03/2025 56.23003(a) Non-S&S ModNegligence $151
03/03/2025 56.14130(i) Non-S&S ModNegligence $151
09/11/2024 56.18002(a) Non-S&S ModNegligence $147
09/11/2024 56.14108 Non-S&S ModNegligence $147
09/11/2024 56.14107(a) Non-S&S ModNegligence $147
09/11/2024 56.12008 S&S ModNegligence $357
09/11/2024 56.12013(b) Non-S&S ModNegligence $147
09/10/2024 50.30(a) Non-S&S LowNegligence $147
09/04/2001 56.11001 S&S HighNegligence $760
01/22/2001 56.20003(a) S&S HighNegligence $475
01/22/2001 56.14107(a) Non-S&S HighNegligence $872
01/22/2001 56.12032 Non-S&S HighNegligence $872

Inspections

View all 24 →
Begin End Hours Inspectors
01/14/2026 01/23/2026 30.00 1
08/27/2025 08/27/2025 6.50 1
08/20/2025 08/20/2025 8.50 1
08/04/2025 08/06/2025 29.00 1
04/02/2025 04/02/2025 8.50 1
03/24/2025 04/08/2025 19.00 1
03/03/2025 03/04/2025 20.50 1
09/19/2024 09/20/2024 11.00 1
09/10/2024 09/13/2024 30.00 1
08/01/2006 08/01/2006 7.50 1

Mine Details

MSHA Mine ID5400292
Mine TypeSurface
StatusActive
CommodityStone
SIC DescriptionCrushed, Broken Stone NEC
Employees4
Days/Week5.0
Hours/Shift8.0
Coordinates18.1769440, -66.7472220
Nearest TownAdjuntas

Frequently Asked Questions

How many MSHA violations does Cantera Adjuntas have?

Cantera Adjuntas has 21 MSHA violations on record, of which 7 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $6K.

What type of mine is Cantera Adjuntas?

Cantera Adjuntas is a Surface mine producing Stone, located in Adjuntas, Ponce County, PR. It currently has 4 employees.

Has anyone been injured or killed at Cantera Adjuntas?

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

Who operates Cantera Adjuntas?

Cantera Adjuntas is operated by Cantera Adjuntas , Inc. and controlled by Rafael A Andujar Velez. MSHA Mine ID: 5400292.