Key Takeaway
Colombo Mine is a abandoned underground mine producing Metal, located in Sierra City, Sierra County, CA. It has 12 violations on record (0 S&S) and $2K in proposed penalties. Operated by Sierra Minerals, LLC.
Colombo Mine
Operator: Sierra Minerals, LLC
Controller: Sierra Resources, LLC; Elli M Mills
Location: Sierra City, Sierra County, CA
Recent Violations
View all 12 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 10/21/2021 | 57.4361(c) | Non-S&S | LowNegligence | $125 |
| 10/21/2021 | 57.8525 | Non-S&S | LowNegligence | $125 |
| 10/21/2021 | 57.12028 | Non-S&S | LowNegligence | $125 |
| 10/21/2021 | 57.8520 | Non-S&S | ModNegligence | $125 |
| 10/21/2021 | 57.11053 | Non-S&S | ModNegligence | $125 |
| 10/20/2021 | 57.12004 | Non-S&S | LowNegligence | $125 |
| 10/20/2021 | 57.4560 | Non-S&S | LowNegligence | $125 |
| 10/20/2021 | 57.11052 | Non-S&S | ModNegligence | $125 |
| 10/20/2021 | 57.12032 | Non-S&S | ModNegligence | $125 |
| 10/20/2021 | 57.6201(b)(2) | Non-S&S | ModNegligence | $125 |
| 10/20/2021 | 57.6132 | Non-S&S | ModNegligence | $125 |
| 10/20/2021 | 57.6102(b) | Non-S&S | ModNegligence | $125 |
Accidents & Injuries
View all 1 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 04/21/2021 | MACHINERY | DAYS RESTRICTED ACTIVITY ONLY | 3d restricted |
Inspections
View all 14 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 07/08/2024 | 07/08/2024 | 5.25 | 1 |
| 01/24/2024 | 01/24/2024 | 2.75 | 1 |
| 10/17/2023 | 10/19/2023 | 6.75 | 1 |
| 11/29/2022 | 12/01/2022 | 15.25 | 1 |
| 09/07/2022 | 09/09/2022 | 11.00 | 1 |
| 05/17/2022 | 05/17/2022 | 16.00 | 1 |
| 03/29/2022 | 04/11/2022 | 26.50 | 1 |
| 01/30/2022 | 01/31/2022 | 17.00 | 1 |
| 12/06/2021 | 12/07/2021 | 19.00 | 1 |
| 10/18/2021 | 10/21/2021 | 42.25 | 2 |
Mine Details
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Frequently Asked Questions
How many MSHA violations does Colombo Mine have?
Colombo Mine has 12 MSHA violations on record, of which 0 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $2K.
What type of mine is Colombo Mine?
Colombo Mine is a Underground mine producing Metal, located in Sierra City, Sierra County, CA. It currently has 0 employees.
Has anyone been injured or killed at Colombo Mine?
According to MSHA records, Colombo Mine has 1 reported accident/injury records and 0 fatalities on file.
Who operates Colombo Mine?
Colombo Mine is operated by Sierra Minerals, LLC and controlled by Sierra Resources, LLC; Elli M Mills. MSHA Mine ID: 0405951.