Key Takeaway

Principio Quarry is a active surface mine producing Stone, located in Port Deposit, Cecil County, MD. It has 33 violations on record (9 S&S) and $7K in proposed penalties. Operated by York Building Products Co Inc.

Principio Quarry

Active Surface Stone

Operator: York Building Products Co Inc

Controller: David J Stewart

Location: Port Deposit, Cecil County, MD

Employees: 25

33
Violations
9
S&S Violations
4
Accidents
$7K
Penalties

Recent Violations

View all 33 →
Date Section S&S Negligence Penalty
11/20/2025 56.4201(a)(2) Non-S&S ModNegligence $151
11/20/2025 56.14100(b) Non-S&S HighNegligence $755
06/03/2025 56.11001 Non-S&S ModNegligence $151
06/03/2025 56.14100(b) Non-S&S LowNegligence $151
12/11/2024 56.14131(a) S&S LowNegligence $177
12/11/2024 56.20008(b) Non-S&S ModNegligence $151
08/22/2024 50.20(a) Non-S&S LowNegligence $151
06/12/2024 56.14107(a) Non-S&S ModNegligence $147
10/04/2023 56.14112(b) Non-S&S LowNegligence $143
10/03/2023 56.9313 Non-S&S LowNegligence $143
10/03/2023 56.9300(b) S&S LowNegligence $143
04/20/2023 56.14107(a) Non-S&S LowNegligence $143
04/19/2023 56.14132(a) Non-S&S LowNegligence $143
04/19/2023 56.14100(b) S&S LowNegligence $143
04/19/2023 56.12018 Non-S&S LowNegligence $143
04/19/2023 56.9300(a) S&S ModNegligence $606
12/13/2022 50.30(a) Non-S&S ModNegligence $143
12/13/2022 50.30(a) Non-S&S ModNegligence $143
12/13/2022 50.30(a) Non-S&S ModNegligence $143
12/08/2022 56.15014 S&S ModNegligence $155

Accidents & Injuries

View all 4 →
Date Classification Injury Days Lost
03/13/2024 HANDTOOLS (NONPOWERED) DYS AWY FRM WRK & RESTRCTD ACT 35d lost, 113d restricted
09/25/2023 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 4d restricted
06/16/2023 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 2d restricted
10/10/2022 MACHINERY DAYS RESTRICTED ACTIVITY ONLY 41d restricted

Inspections

View all 10 →
Begin End Hours Inspectors
11/18/2025 11/25/2025 26.75 1
06/02/2025 06/05/2025 26.00 2
12/10/2024 12/12/2024 24.00 1
06/12/2024 06/13/2024 28.25 1
10/02/2023 10/05/2023 30.50 1
05/15/2023 05/15/2023 1.00 1
04/19/2023 04/21/2023 19.25 1
12/07/2022 12/13/2022 36.00 1
09/13/2022 09/14/2022 19.00 1
03/16/2022 04/04/2022 39.75 1

Mine Details

MSHA Mine ID1800812
Mine TypeSurface
StatusActive
CommodityStone
SIC DescriptionCrushed, Broken Granite
Employees25
Days/Week5.0
Hours/Shift12.0
Coordinates39.6113890, -76.0244440
Nearest TownPort Deposit

Frequently Asked Questions

How many MSHA violations does Principio Quarry have?

Principio Quarry has 33 MSHA violations on record, of which 9 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $7K.

What type of mine is Principio Quarry?

Principio Quarry is a Surface mine producing Stone, located in Port Deposit, Cecil County, MD. It currently has 25 employees.

Has anyone been injured or killed at Principio Quarry?

According to MSHA records, Principio Quarry has 4 reported accident/injury records and 0 fatalities on file.

Who operates Principio Quarry?

Principio Quarry is operated by York Building Products Co Inc and controlled by David J Stewart. MSHA Mine ID: 1800812.