Key Takeaway
Patapsco Natural Stone Quarry LLC is a active surface mine producing Stone, located in Marriottsville, Howard County, MD. It has 79 violations on record (18 S&S) and $16K in proposed penalties. Operated by Patapsco Natural Stone Quarry LLC.
Patapsco Natural Stone Quarry LLC
Operator: Patapsco Natural Stone Quarry LLC
Controller: Kristine Lamkin Weiffenbach
Location: Marriottsville, Howard County, MD
Employees: 5
Recent Violations
View all 79 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 01/07/2026 | 56.12028 | Non-S&S | ModNegligence | $151 |
| 01/07/2026 | 46.9(a) | Non-S&S | LowNegligence | $151 |
| 01/06/2026 | 50.30(a) | Non-S&S | LowNegligence | $151 |
| 01/06/2026 | 56.4201(a)(2) | Non-S&S | LowNegligence | $151 |
| 11/26/2024 | 56.14132(a) | Non-S&S | LowNegligence | $147 |
| 07/31/2024 | 56.9300(a) | S&S | LowNegligence | $1,011 |
| 12/05/2023 | 62.120 | Non-S&S | LowNegligence | $147 |
| 12/04/2023 | 56.14130(g) | S&S | LowNegligence | $1,287 |
| 12/04/2023 | 56.12028 | Non-S&S | ModNegligence | $576 |
| 12/04/2023 | 56.4201(a)(2) | Non-S&S | ModNegligence | $172 |
| 08/10/2023 | 56.12019 | Non-S&S | ModNegligence | $167 |
| 08/10/2023 | 56.18002(b) | Non-S&S | LowNegligence | $143 |
| 07/17/2023 | 50.30(a) | Non-S&S | HighNegligence | $155 |
| 07/17/2023 | 50.30(a) | Non-S&S | HighNegligence | $155 |
| 02/16/2023 | 56.14132(a) | Non-S&S | ModNegligence | $143 |
| 12/31/2022 | 50.30(a) | Non-S&S | ModNegligence | $143 |
| 08/17/2022 | 50.30(a) | Non-S&S | LowNegligence | $133 |
| 08/17/2022 | 50.30(a) | Non-S&S | ModNegligence | $133 |
| 08/17/2022 | 50.30(a) | Non-S&S | ModNegligence | $133 |
| 08/17/2022 | 56.12028 | Non-S&S | LowNegligence | $133 |
Accidents & Injuries
View all 10 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 06/26/2019 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 2d lost |
| 08/25/2014 | HANDLING OF MATERIALS | DAYS AWAY FROM WORK ONLY | 19d lost |
| 08/16/2013 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 217d lost |
| 07/25/2008 | MACHINERY | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 10/11/2006 | MACHINERY | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 04/05/2006 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 03/31/2006 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 07/08/2005 | FALL OF FACE/RIB/PILLAR/SIDE/HIGHWALL | DYS AWY FRM WRK & RESTRCTD ACT | 31d lost, 14d restricted |
| 03/12/2005 | POWERED HAULAGE | DAYS AWAY FROM WORK ONLY | 7d lost |
| 08/06/2004 | POWERED HAULAGE | DAYS AWAY FROM WORK ONLY | 16d lost |
Inspections
View all 49 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 01/29/2026 | 01/29/2026 | 10.00 | 1 |
| 01/05/2026 | 01/07/2026 | 28.25 | 1 |
| 09/08/2025 | 09/10/2025 | 10.00 | 1 |
| 11/25/2024 | 11/27/2024 | 18.25 | 1 |
| 09/16/2024 | 09/17/2024 | 14.50 | 1 |
| 07/31/2024 | 07/31/2024 | 10.00 | 1 |
| 01/03/2024 | 01/03/2024 | 1.00 | 1 |
| 12/04/2023 | 12/05/2023 | 19.75 | 1 |
| 08/10/2023 | 08/10/2023 | 10.75 | 1 |
| 08/10/2023 | 08/10/2023 | 2.25 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Patapsco Natural Stone Quarry LLC have?
Patapsco Natural Stone Quarry LLC has 79 MSHA violations on record, of which 18 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $16K.
What type of mine is Patapsco Natural Stone Quarry LLC?
Patapsco Natural Stone Quarry LLC is a Surface mine producing Stone, located in Marriottsville, Howard County, MD. It currently has 5 employees.
Has anyone been injured or killed at Patapsco Natural Stone Quarry LLC?
According to MSHA records, Patapsco Natural Stone Quarry LLC has 10 reported accident/injury records and 0 fatalities on file.
Who operates Patapsco Natural Stone Quarry LLC?
Patapsco Natural Stone Quarry LLC is operated by Patapsco Natural Stone Quarry LLC and controlled by Kristine Lamkin Weiffenbach. MSHA Mine ID: 1800192.