Key Takeaway
Mandata Quarry is a active surface mine producing Stone, located in Herndon, Northumberland County, PA. It has 137 violations on record (19 S&S) and $16K in proposed penalties. Operated by Meckley's Limestone Products Inc.
Mandata Quarry
Operator: Meckley's Limestone Products Inc
Controller: Matthew G Markunas
Location: Herndon, Northumberland County, PA
Employees: 23
Recent Violations
View all 137 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 10/15/2025 | 56.14107(a) | S&S | ModNegligence | $267 |
| 10/15/2025 | 56.12008 | Non-S&S | ModNegligence | $151 |
| 10/08/2025 | 56.20003(a) | S&S | ModNegligence | $177 |
| 10/07/2025 | 56.14112(b) | Non-S&S | ModNegligence | $151 |
| 07/16/2025 | 56.11001 | S&S | ModNegligence | $177 |
| 07/15/2025 | 56.12004 | Non-S&S | ModNegligence | $151 |
| 01/15/2025 | 56.4101 | S&S | ModNegligence | $177 |
| 01/14/2025 | 47.44(b) | Non-S&S | ModNegligence | $151 |
| 05/01/2024 | 56.14112(b) | Non-S&S | ModNegligence | $147 |
| 07/12/2023 | 56.14116(a) | Non-S&S | ModNegligence | $143 |
| 07/11/2023 | 46.7(c) | Non-S&S | LowNegligence | $143 |
| 07/11/2023 | 56.15002 | S&S | LowNegligence | $295 |
| 01/17/2023 | 56.14101(a)(2) | S&S | LowNegligence | $252 |
| 01/12/2023 | 56.3200 | Non-S&S | ModNegligence | $143 |
| 01/12/2023 | 56.14107(a) | Non-S&S | LowNegligence | $143 |
| 01/12/2023 | 56.14132(a) | Non-S&S | LowNegligence | $143 |
| 06/15/2022 | 56.11012 | Non-S&S | ModNegligence | $321 |
| 06/15/2022 | 56.14112(b) | Non-S&S | ModNegligence | $144 |
| 03/08/2022 | 56.13021 | Non-S&S | LowNegligence | $133 |
| 03/08/2022 | 56.12034 | Non-S&S | LowNegligence | $133 |
Accidents & Injuries
View all 38 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 02/09/2026 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 07/10/2024 | MACHINERY | DAYS AWAY FROM WORK ONLY | 4d lost |
| 12/17/2020 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 5d lost, 41d restricted |
| 12/06/2018 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 92d lost, 18d restricted |
| 07/11/2018 | STEPPING OR KNEELING ON OBJECT | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 03/05/2018 | HANDTOOLS (NONPOWERED) | DAYS RESTRICTED ACTIVITY ONLY | 34d restricted |
| 12/29/2017 | SLIP OR FALL OF PERSON | DAYS RESTRICTED ACTIVITY ONLY | 59d restricted |
| 09/07/2017 | OTHER | DAYS AWAY FROM WORK ONLY | 1d lost |
| 08/22/2017 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 212d lost |
| 04/12/2017 | HANDTOOLS (NONPOWERED) | DAYS AWAY FROM WORK ONLY | 4d lost |
Inspections
View all 66 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 10/07/2025 | 10/16/2025 | 59.00 | 1 |
| 07/15/2025 | 07/17/2025 | 33.00 | 1 |
| 01/13/2025 | 01/16/2025 | 39.00 | 1 |
| 05/22/2024 | 05/22/2024 | 2.25 | 1 |
| 04/30/2024 | 05/02/2024 | 28.25 | 1 |
| 01/09/2024 | 01/16/2024 | 30.75 | 1 |
| 07/10/2023 | 07/17/2023 | 28.75 | 1 |
| 01/09/2023 | 01/20/2023 | 34.25 | 1 |
| 06/14/2022 | 06/15/2022 | 14.50 | 1 |
| 03/02/2022 | 03/09/2022 | 36.75 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Mandata Quarry have?
Mandata Quarry has 137 MSHA violations on record, of which 19 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $16K.
What type of mine is Mandata Quarry?
Mandata Quarry is a Surface mine producing Stone, located in Herndon, Northumberland County, PA. It currently has 23 employees.
Has anyone been injured or killed at Mandata Quarry?
According to MSHA records, Mandata Quarry has 38 reported accident/injury records and 0 fatalities on file.
Who operates Mandata Quarry?
Mandata Quarry is operated by Meckley's Limestone Products Inc and controlled by Matthew G Markunas. MSHA Mine ID: 3600163.