Key Takeaway
Mt Si Quarry is a abandoned surface mine producing Stone, located in Bellevue, King County, WA. It has 127 violations on record (18 S&S) and $15K in proposed penalties. Operated by Mt Si Quarry SMM.
Mt Si Quarry
Operator: Mt Si Quarry SMM
Controller: Lance Despain
Location: Bellevue, King County, WA
Recent Violations
View all 127 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 02/06/2025 | 56.12008 | Non-S&S | ModNegligence | $151 |
| 07/13/2022 | 56.12008 | Non-S&S | ModNegligence | $518 |
| 07/13/2022 | 56.14100(b) | Non-S&S | ModNegligence | $155 |
| 03/30/2022 | 56.18002(b) | Non-S&S | LowNegligence | $133 |
| 03/30/2022 | 46.7(a) | Non-S&S | ModNegligence | $148 |
| 03/30/2022 | 56.14100(c) | Non-S&S | ModNegligence | $133 |
| 03/30/2022 | 56.16006 | Non-S&S | ModNegligence | $133 |
| 03/30/2022 | 56.12004 | Non-S&S | ModNegligence | $133 |
| 03/30/2022 | 56.9300(a) | S&S | ModNegligence | $349 |
| 01/16/2022 | 50.30(a) | Non-S&S | ModNegligence | $133 |
| 08/10/2021 | 56.12028 | Non-S&S | ModNegligence | $125 |
| 08/10/2021 | 50.30(a) | Non-S&S | LowNegligence | $125 |
| 08/10/2021 | 50.30(a) | Non-S&S | LowNegligence | $125 |
| 03/04/2021 | 56.9300(a) | Non-S&S | ModNegligence | $125 |
| 08/06/2020 | 47.41(a) | Non-S&S | ModNegligence | $123 |
| 01/08/2020 | 50.30(a) | Non-S&S | ModNegligence | $123 |
| 01/08/2020 | 56.14100(d) | Non-S&S | LowNegligence | $123 |
| 08/20/2019 | 56.14107(a) | Non-S&S | ModNegligence | $121 |
| 11/28/2018 | 56.12025 | Non-S&S | ModNegligence | $286 |
| 11/28/2018 | 56.12028 | Non-S&S | ModNegligence | $286 |
Inspections
View all 59 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 02/06/2025 | 02/07/2025 | 10.25 | 1 |
| 03/18/2024 | 03/18/2024 | 9.00 | 1 |
| 09/06/2023 | 09/06/2023 | 4.00 | 1 |
| 06/28/2023 | 06/29/2023 | 21.75 | 1 |
| 07/13/2022 | 07/14/2022 | 22.00 | 1 |
| 03/30/2022 | 03/31/2022 | 16.75 | 1 |
| 08/09/2021 | 08/11/2021 | 13.25 | 1 |
| 03/04/2021 | 03/04/2021 | 5.75 | 1 |
| 09/22/2020 | 09/28/2020 | 2.50 | 1 |
| 08/03/2020 | 08/06/2020 | 12.00 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Mt Si Quarry have?
Mt Si Quarry has 127 MSHA violations on record, of which 18 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $15K.
What type of mine is Mt Si Quarry?
Mt Si Quarry is a Surface mine producing Stone, located in Bellevue, King County, WA. It currently has 0 employees.
Has anyone been injured or killed at Mt Si Quarry?
According to MSHA records, Mt Si Quarry has 0 reported accident/injury records and 0 fatalities on file.
Who operates Mt Si Quarry?
Mt Si Quarry is operated by Mt Si Quarry SMM and controlled by Lance Despain. MSHA Mine ID: 4502189.