Key Takeaway
MENCENBERG QUARRY is a intermittent surface mine producing Stone, located in Castle Rock, Douglas County, CO. It has 144 violations on record (38 S&S) and $81K in proposed penalties. Operated by Schmidt Aggregates.
MENCENBERG QUARRY
Operator: Schmidt Aggregates
Controller: Edward C Levy Jr
Location: Castle Rock, Douglas County, CO
Employees: 3
Recent Violations
View all 144 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 11/04/2025 | 56.14101(a)(1) | Non-S&S | HighNegligence | $366 |
| 11/04/2025 | 56.12028 | Non-S&S | ModNegligence | $151 |
| 11/04/2021 | 56.14110 | Non-S&S | ModNegligence | $729 |
| 11/04/2021 | 56.11001 | Non-S&S | ModNegligence | $220 |
| 11/04/2021 | 56.15005 | Non-S&S | LowNegligence | $125 |
| 11/04/2021 | 56.12032 | Non-S&S | LowNegligence | $125 |
| 05/10/2021 | 56.12008 | Non-S&S | ModNegligence | $220 |
| 12/29/2020 | 46.5(b) | Non-S&S | ModNegligence | $225 |
| 12/29/2020 | 46.4(a)(2) | Non-S&S | HighNegligence | $136 |
| 12/29/2020 | 46.9(b)(2) | Non-S&S | ModNegligence | $125 |
| 12/29/2020 | 46.9(b)(3) | Non-S&S | ModNegligence | $125 |
| 12/29/2020 | 46.10(a) | Non-S&S | ModNegligence | $125 |
| 12/28/2020 | 56.20003(a) | S&S | HighNegligence | $2,237 |
| 12/28/2020 | 56.18002(a) | S&S | HighNegligence | $2,237 |
| 12/28/2020 | 56.14112(b) | S&S | HighNegligence | $3,338 |
| 05/28/2020 | 46.3(b)(4) | Non-S&S | ModNegligence | $123 |
| 05/27/2020 | 56.4203 | Non-S&S | ModNegligence | $123 |
| 05/27/2020 | 56.12004 | S&S | ModNegligence | $482 |
| 05/27/2020 | 56.12028 | S&S | ModNegligence | $482 |
| 05/26/2020 | 56.12004 | Non-S&S | ModNegligence | $123 |
Accidents & Injuries
View all 8 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 07/07/2015 | HANDLING OF MATERIALS | DYS AWY FRM WRK & RESTRCTD ACT | 1d lost, 12d restricted |
| 05/23/2008 | DISORDERS (REPEATED TRAUMA) | OCCUPATNAL ILLNESS NOT DEG 1-6 | 119d restricted |
| 08/08/2002 | SLIP OR FALL OF PERSON | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 02/26/2002 | STEPPING OR KNEELING ON OBJECT | DAYS RESTRICTED ACTIVITY ONLY | 30d restricted |
| 11/16/2000 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 10/20/2000 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 5d restricted |
| 09/07/2000 | HANDTOOLS (NONPOWERED) | DYS AWY FRM WRK & RESTRCTD ACT | 35d lost, 43d restricted |
| 05/03/2000 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 37d restricted |
Inspections
View all 53 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 11/03/2025 | 11/14/2025 | 20.50 | 1 |
| 09/10/2025 | 09/10/2025 | 3.75 | 1 |
| 08/31/2023 | 08/31/2023 | 2.50 | 1 |
| 06/14/2022 | 06/14/2022 | 3.00 | 1 |
| 11/04/2021 | 11/05/2021 | 21.50 | 1 |
| 05/10/2021 | 05/11/2021 | 24.25 | 1 |
| 12/28/2020 | 12/30/2020 | 0.50 | 1 |
| 05/26/2020 | 05/28/2020 | 28.00 | 1 |
| 12/26/2019 | 12/27/2019 | 24.00 | 1 |
| 08/07/2019 | 08/08/2019 | 16.00 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does MENCENBERG QUARRY have?
MENCENBERG QUARRY has 144 MSHA violations on record, of which 38 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $81K.
What type of mine is MENCENBERG QUARRY?
MENCENBERG QUARRY is a Surface mine producing Stone, located in Castle Rock, Douglas County, CO. It currently has 3 employees.
Has anyone been injured or killed at MENCENBERG QUARRY?
According to MSHA records, MENCENBERG QUARRY has 8 reported accident/injury records and 0 fatalities on file.
Who operates MENCENBERG QUARRY?
MENCENBERG QUARRY is operated by Schmidt Aggregates and controlled by Edward C Levy Jr. MSHA Mine ID: 0504618.