Key Takeaway

Downingtown Quarry is a active surface mine producing Stone, located in Downingtown, Chester County, PA. It has 449 violations on record (120 S&S) and $334K in proposed penalties. Operated by Heidelberg Materials Northeast LLC.

Downingtown Quarry

Active Surface Stone

Operator: Heidelberg Materials Northeast LLC

Controller: Heidelberg Materials AG

Location: Downingtown, Chester County, PA

Employees: 58

449
Violations
120
S&S Violations
67
Accidents
$334K
Penalties

Recent Violations

View all 449 →
Date Section S&S Negligence Penalty
01/29/2026 46.9(a) Non-S&S ModNegligence $151
01/28/2026 56.11001 S&S LowNegligence $0
01/28/2026 56.14130(g) S&S LowNegligence $549
01/28/2026 56.14132(a) Non-S&S LowNegligence $0
01/28/2026 56.14100(a) Non-S&S ModNegligence $0
01/22/2026 56.20003(a) Non-S&S ModNegligence $1,126
01/22/2026 56.12004 Non-S&S LowNegligence $151
01/22/2026 56.14207 Non-S&S ModNegligence $0
01/22/2026 56.4201(a)(1) Non-S&S ModNegligence $0
01/22/2026 56.4602 Non-S&S ModNegligence $0
01/22/2026 56.12004 Non-S&S ModNegligence $0
01/22/2026 56.14107(a) Non-S&S ModNegligence $0
01/21/2026 56.11001 S&S LowNegligence $697
01/21/2026 56.14100(b) Non-S&S ModNegligence $151
01/21/2026 56.18002(a) Non-S&S ModNegligence $465
09/17/2025 56.14100(b) Non-S&S LowNegligence $151
09/16/2025 56.14100(b) Non-S&S LowNegligence $151
09/10/2025 56.11010 Non-S&S LowNegligence $151
09/09/2025 56.9300(b) Non-S&S LowNegligence $151
09/09/2025 56.20003(a) Non-S&S ModNegligence $1,126

Accidents & Injuries

View all 67 →
Date Classification Injury Days Lost
01/19/2026 SLIP OR FALL OF PERSON DAYS AWAY FROM WORK ONLY None
07/07/2025 POWERED HAULAGE DYS AWY FRM WRK & RESTRCTD ACT 1d lost, 10d restricted
03/11/2025 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None
02/29/2024 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 52d restricted
02/15/2024 HANDTOOLS (NONPOWERED) DAYS AWAY FROM WORK ONLY 340d lost
11/16/2023 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 21d restricted
05/24/2023 STEPPING OR KNEELING ON OBJECT DYS AWY FRM WRK & RESTRCTD ACT 1d lost, 4d restricted
05/22/2023 SLIP OR FALL OF PERSON NO DYS AWY FRM WRK,NO RSTR ACT None
10/12/2022 POWERED HAULAGE DAYS RESTRICTED ACTIVITY ONLY 41d restricted
08/20/2022 ELECTRICAL DAYS AWAY FROM WORK ONLY 115d lost

Inspections

View all 112 →
Begin End Hours Inspectors
02/09/2026 02/09/2026 0.50 1
01/20/2026 01/29/2026 45.25 1
09/15/2025 09/15/2025 11.00 1
09/08/2025 09/17/2025 62.25 1
06/30/2025 07/02/2025 17.00 1
03/21/2025 03/28/2025 13.75 1
03/07/2025 03/21/2025 0.75 1
02/10/2025 02/11/2025 9.25 1
01/27/2025 01/30/2025 45.00 1
07/17/2024 09/03/2024 12.75 1

Mine Details

MSHA Mine ID3600029
Mine TypeSurface
StatusActive
CommodityStone
SIC DescriptionCrushed, Broken Limestone NEC
Employees58
Days/Week5.0
Hours/Shift8.0
Coordinates40.0088890, -75.6688890
Nearest TownDowningtown

Frequently Asked Questions

How many MSHA violations does Downingtown Quarry have?

Downingtown Quarry has 449 MSHA violations on record, of which 120 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $334K.

What type of mine is Downingtown Quarry?

Downingtown Quarry is a Surface mine producing Stone, located in Downingtown, Chester County, PA. It currently has 58 employees.

Has anyone been injured or killed at Downingtown Quarry?

According to MSHA records, Downingtown Quarry has 67 reported accident/injury records and 0 fatalities on file.

Who operates Downingtown Quarry?

Downingtown Quarry is operated by Heidelberg Materials Northeast LLC and controlled by Heidelberg Materials AG. MSHA Mine ID: 3600029.