Key Takeaway
Gem Hill Mine Site is a abandoned surface mine producing Stone, located in Mojave, Kern County, CA. It has 7 violations on record (2 S&S) and $1K in proposed penalties. Operated by CalPortland Cement Company.
Gem Hill Mine Site
Operator: CalPortland Cement Company
Controller: Taiheiyo Cement Corp
Location: Mojave, Kern County, CA
Recent Violations
View all 7 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 09/18/2024 | 56.18002(b) | Non-S&S | HighNegligence | $147 |
| 09/18/2024 | 56.9300(a) | S&S | ModNegligence | $357 |
| 09/18/2024 | 56.18002(a) | S&S | ModNegligence | $357 |
| 09/18/2024 | 56.1000 | Non-S&S | LowNegligence | $147 |
| 09/18/2024 | 56.14100(d) | Non-S&S | LowNegligence | $147 |
| 09/18/2024 | 56.14132(b)(1)(i) | Non-S&S | LowNegligence | $147 |
| 07/16/2024 | 50.30(a) | Non-S&S | LowNegligence | $147 |
Inspections
View all 2 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 03/26/2025 | 03/26/2025 | 13.00 | 1 |
| 09/18/2024 | 09/19/2024 | 26.75 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Gem Hill Mine Site have?
Gem Hill Mine Site has 7 MSHA violations on record, of which 2 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $1K.
What type of mine is Gem Hill Mine Site?
Gem Hill Mine Site is a Surface mine producing Stone, located in Mojave, Kern County, CA. It currently has 0 employees.
Has anyone been injured or killed at Gem Hill Mine Site?
According to MSHA records, Gem Hill Mine Site has 0 reported accident/injury records and 0 fatalities on file.
Who operates Gem Hill Mine Site?
Gem Hill Mine Site is operated by CalPortland Cement Company and controlled by Taiheiyo Cement Corp. MSHA Mine ID: 0405976.