Key Takeaway

Lost Hills Mining is a active surface mine producing Nonmetal, located in Lost Hills, Kern County, CA. It has 91 violations on record (25 S&S) and $106K in proposed penalties. Operated by Lost Hills Mining LLC.

Lost Hills Mining

Active Surface Nonmetal

Operator: Lost Hills Mining LLC

Controller: Todd French; Dennis French; Brian Maxted

Location: Lost Hills, Kern County, CA

Employees: 21

91
Violations
25
S&S Violations
18
Accidents
$106K
Penalties

Recent Violations

View all 91 →
Date Section S&S Negligence Penalty
02/12/2025 46.5(a) S&S ModNegligence $151
02/12/2025 56.4201(a)(2) Non-S&S ModNegligence $151
05/21/2024 56.14112(b) S&S LowNegligence $1,637
05/21/2024 56.12004 Non-S&S LowNegligence $147
05/21/2024 56.4200(b)(2) Non-S&S HighNegligence $1,098
02/22/2024 56.14100(b) Non-S&S LowNegligence $147
02/22/2024 56.16005 Non-S&S HighNegligence $736
02/22/2024 56.4601 S&S ModNegligence $12,089
02/22/2024 56.18002(a) S&S ModNegligence $12,089
08/09/2023 56.12032 Non-S&S LowNegligence $318
08/09/2023 56.14107(a) S&S LowNegligence $1,585
08/09/2023 56.14132(b)(1)(i) Non-S&S LowNegligence $318
03/28/2023 56.12004 Non-S&S LowNegligence $318
03/28/2023 56.14100(a) S&S LowNegligence $712
03/28/2023 56.12032 Non-S&S LowNegligence $143
03/28/2023 41.12 Non-S&S HighNegligence $198
03/28/2023 56.18002(a) Non-S&S HighNegligence $11,709
03/28/2023 56.12028 Non-S&S HighNegligence $2,364
03/28/2023 56.12018 Non-S&S LowNegligence $143
03/28/2023 48.23(c)(2) Non-S&S HighNegligence $198

Accidents & Injuries

View all 18 →
Date Classification Injury Days Lost
04/29/2025 POWERED HAULAGE DAYS RESTRICTED ACTIVITY ONLY 38d restricted
01/23/2023 MACHINERY NO DYS AWY FRM WRK,NO RSTR ACT None
04/20/2022 POWERED HAULAGE NO DYS AWY FRM WRK,NO RSTR ACT None
08/12/2020 FIRE ACCIDENT ONLY None
05/09/2020 ALL OTHER OCCUPATIONAL ILLNESSES OCCUPATNAL ILLNESS NOT DEG 1-6 None
10/08/2019 OTHER INJURIES DUE TO NATURAL CAUSES None
08/30/2019 SLIP OR FALL OF PERSON DAYS AWAY FROM WORK ONLY 204d lost
10/01/2018 SLIP OR FALL OF PERSON DAYS AWAY FROM WORK ONLY None
01/10/2015 POWERED HAULAGE DAYS AWAY FROM WORK ONLY 1d lost
01/10/2014 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 142d lost

Inspections

View all 68 →
Begin End Hours Inspectors
09/09/2025 09/11/2025 27.25 1
02/11/2025 02/13/2025 22.00 1
05/21/2024 05/21/2024 2.50 1
05/20/2024 05/21/2024 17.00 1
02/27/2024 02/27/2024 6.00 1
02/22/2024 02/23/2024 20.00 1
08/09/2023 08/09/2023 1.50 1
08/08/2023 08/09/2023 16.50 1
03/27/2023 03/29/2023 23.25 1
04/07/2022 04/08/2022 23.25 1

Mine Details

MSHA Mine ID0400929
Mine TypeSurface
StatusActive
CommodityNonmetal
SIC DescriptionGypsum
Employees21
Days/Week6.0
Hours/Shift10.0
Coordinates35.6661110, -119.7786110
Nearest TownLost Hills

Frequently Asked Questions

How many MSHA violations does Lost Hills Mining have?

Lost Hills Mining has 91 MSHA violations on record, of which 25 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $106K.

What type of mine is Lost Hills Mining?

Lost Hills Mining is a Surface mine producing Nonmetal, located in Lost Hills, Kern County, CA. It currently has 21 employees.

Has anyone been injured or killed at Lost Hills Mining?

According to MSHA records, Lost Hills Mining has 18 reported accident/injury records and 0 fatalities on file.

Who operates Lost Hills Mining?

Lost Hills Mining is operated by Lost Hills Mining LLC and controlled by Todd French; Dennis French; Brian Maxted. MSHA Mine ID: 0400929.