Key Takeaway
MASONVILLE QUARRY is a active surface mine producing Stone, located in Masonville, Larimer County, CO. It has 125 violations on record (34 S&S) and $55K in proposed penalties. Operated by Masonville Stone Company.
MASONVILLE QUARRY
Operator: Masonville Stone Company
Controller: Glenn E Southwick
Location: Masonville, Larimer County, CO
Employees: 3
Recent Violations
View all 125 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 04/02/2025 | 50.30(a) | Non-S&S | ModNegligence | $151 |
| 12/19/2024 | 56.14205 | Non-S&S | ModNegligence | $151 |
| 12/18/2024 | 56.11001 | Non-S&S | ModNegligence | $151 |
| 12/17/2024 | 56.12004 | Non-S&S | ModNegligence | $151 |
| 12/17/2024 | 56.4201(a)(1) | Non-S&S | ModNegligence | $151 |
| 04/08/2024 | 56.14100(b) | Non-S&S | ModNegligence | $147 |
| 04/08/2024 | 56.14100(b) | Non-S&S | ModNegligence | $147 |
| 10/17/2023 | 56.14101(a)(3) | Non-S&S | ModNegligence | $143 |
| 10/17/2023 | 56.14132(a) | Non-S&S | HighNegligence | $232 |
| 10/17/2023 | 56.14101(a)(3) | Non-S&S | ModNegligence | $143 |
| 10/17/2023 | 46.8(a) | Non-S&S | ModNegligence | $159 |
| 06/05/2023 | 56.12004 | Non-S&S | ModNegligence | $143 |
| 06/08/2022 | 56.15003 | Non-S&S | HighNegligence | $133 |
| 06/08/2022 | 56.18002(a) | Non-S&S | HighNegligence | $215 |
| 02/15/2022 | 56.14132(a) | Non-S&S | ModNegligence | $133 |
| 02/15/2022 | 56.18002(a) | Non-S&S | HighNegligence | $215 |
| 05/04/2021 | 56.4201(a)(1) | Non-S&S | ModNegligence | $125 |
| 05/04/2021 | 56.4201(a)(2) | Non-S&S | ModNegligence | $125 |
| 05/04/2021 | 56.12004 | Non-S&S | ModNegligence | $125 |
| 02/09/2021 | 56.14100(b) | S&S | HighNegligence | $302 |
Accidents & Injuries
View all 1 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 07/12/2007 | SLIP OR FALL OF PERSON | NO DYS AWY FRM WRK,NO RSTR ACT | None |
Inspections
View all 60 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 11/12/2025 | 11/12/2025 | 7.00 | 1 |
| 04/02/2025 | 04/02/2025 | 13.00 | 1 |
| 12/17/2024 | 12/19/2024 | 16.50 | 1 |
| 05/22/2024 | 05/22/2024 | 1.75 | 1 |
| 04/08/2024 | 04/10/2024 | 36.50 | 1 |
| 10/30/2023 | 10/30/2023 | 4.75 | 1 |
| 10/17/2023 | 10/17/2023 | 8.25 | 1 |
| 06/05/2023 | 06/05/2023 | 11.25 | 1 |
| 03/20/2023 | 03/20/2023 | 9.00 | 1 |
| 06/21/2022 | 06/21/2022 | 2.25 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does MASONVILLE QUARRY have?
MASONVILLE QUARRY has 125 MSHA violations on record, of which 34 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $55K.
What type of mine is MASONVILLE QUARRY?
MASONVILLE QUARRY is a Surface mine producing Stone, located in Masonville, Larimer County, CO. It currently has 3 employees.
Has anyone been injured or killed at MASONVILLE QUARRY?
According to MSHA records, MASONVILLE QUARRY has 1 reported accident/injury records and 0 fatalities on file.
Who operates MASONVILLE QUARRY?
MASONVILLE QUARRY is operated by Masonville Stone Company and controlled by Glenn E Southwick. MSHA Mine ID: 0504013.