Key Takeaway
Big Seam mine is a active underground mine producing Metal, located in FORESTHILL, Placer County, CA. It has 41 violations on record (3 S&S) and $6K in proposed penalties. Operated by Eagle's Nest Mining LLC.
Big Seam mine
Operator: Eagle's Nest Mining LLC
Controller: Focused Mining Enterprises LLC
Location: FORESTHILL, Placer County, CA
Employees: 8
Recent Violations
View all 41 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 07/01/2025 | 57.11051(a) | Non-S&S | ModNegligence | $151 |
| 10/16/2024 | 50.30(a) | Non-S&S | ModNegligence | $147 |
| 07/24/2024 | 49.3(c) | Non-S&S | LowNegligence | $147 |
| 10/19/2023 | 57.12023 | Non-S&S | LowNegligence | $143 |
| 07/18/2023 | 47.51 | Non-S&S | ModNegligence | $143 |
| 05/23/2023 | 57.12032 | Non-S&S | ModNegligence | $318 |
| 05/23/2023 | 56.18013 | Non-S&S | ModNegligence | $318 |
| 02/21/2023 | 50.30(a) | Non-S&S | LowNegligence | $143 |
| 08/08/2022 | 57.5066(c) | Non-S&S | ModNegligence | $133 |
| 08/08/2022 | 57.5066(b)(3) | Non-S&S | ModNegligence | $133 |
| 08/05/2022 | 48.5(a) | S&S | ModNegligence | $349 |
| 08/04/2022 | 57.3203 | Non-S&S | $0 | |
| 08/04/2022 | 57.8527 | Non-S&S | ModNegligence | $133 |
| 08/04/2022 | 48.9 | Non-S&S | LowNegligence | $148 |
| 08/04/2022 | 48.9(a) | Non-S&S | LowNegligence | $133 |
| 08/04/2022 | 48.9(a) | Non-S&S | LowNegligence | $133 |
| 08/04/2022 | 57.4201(a)(2) | Non-S&S | LowNegligence | $133 |
| 08/04/2022 | 57.4201(a)(2) | Non-S&S | LowNegligence | $133 |
| 08/04/2022 | 57.15001 | Non-S&S | LowNegligence | $133 |
| 08/04/2022 | 57.4201(a)(2) | Non-S&S | LowNegligence | $133 |
Accidents & Injuries
View all 1 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 03/01/2022 | HANDLING OF MATERIALS | DAYS RESTRICTED ACTIVITY ONLY | 5d restricted |
Inspections
View all 62 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 02/02/2026 | 02/03/2026 | 13.00 | 1 |
| 10/02/2025 | 10/02/2025 | 11.50 | 1 |
| 07/01/2025 | 07/02/2025 | 20.00 | 1 |
| 06/11/2025 | 06/11/2025 | 5.75 | 1 |
| 06/04/2025 | 06/05/2025 | 17.75 | 1 |
| 05/28/2025 | 05/29/2025 | 29.75 | 4 |
| 04/02/2025 | 04/02/2025 | 27.00 | 3 |
| 01/22/2025 | 02/05/2025 | 22.50 | 1 |
| 11/18/2024 | 11/19/2024 | 12.25 | 2 |
| 07/24/2024 | 07/24/2024 | 6.00 | 1 |
Mine Details
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Frequently Asked Questions
How many MSHA violations does Big Seam mine have?
Big Seam mine has 41 MSHA violations on record, of which 3 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $6K.
What type of mine is Big Seam mine?
Big Seam mine is a Underground mine producing Metal, located in FORESTHILL, Placer County, CA. It currently has 8 employees.
Has anyone been injured or killed at Big Seam mine?
According to MSHA records, Big Seam mine has 1 reported accident/injury records and 0 fatalities on file.
Who operates Big Seam mine?
Big Seam mine is operated by Eagle's Nest Mining LLC and controlled by Focused Mining Enterprises LLC. MSHA Mine ID: 0404468.