Key Takeaway
Sanger Aggregate Plant is a active surface mine producing Nonmetal, located in Sanger, Fresno County, CA. It has 115 violations on record (27 S&S) and $32K in proposed penalties. Operated by Martin Marietta Northern California Aggregates,LLC.
Sanger Aggregate Plant
Operator: Martin Marietta Northern California Aggregates,LLC
Controller: Martin Marietta Materials Inc
Location: Sanger, Fresno County, CA
Employees: 10
Recent Violations
View all 115 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 08/19/2025 | 56.14132(b)(1)(i) | Non-S&S | ModNegligence | $193 |
| 08/19/2025 | 46.3(b)(1) | Non-S&S | LowNegligence | $151 |
| 08/19/2025 | 46.9(b)(2) | Non-S&S | LowNegligence | $151 |
| 05/20/2025 | 56.12004 | Non-S&S | ModNegligence | $697 |
| 02/21/2025 | 56.12032 | Non-S&S | ModNegligence | $226 |
| 02/21/2025 | 47.41(a)(1) | Non-S&S | ModNegligence | $226 |
| 02/20/2025 | 56.12032 | Non-S&S | ModNegligence | $288 |
| 02/20/2025 | 56.12032 | Non-S&S | ModNegligence | $288 |
| 05/28/2024 | 56.12028 | Non-S&S | ModNegligence | $204 |
| 05/28/2024 | 56.12068 | Non-S&S | LowNegligence | $147 |
| 05/24/2024 | 56.14132(b)(1) | Non-S&S | ModNegligence | $147 |
| 05/24/2024 | 56.4101 | S&S | ModNegligence | $161 |
| 05/24/2024 | 56.4201(a)(2) | Non-S&S | ModNegligence | $147 |
| 05/24/2024 | 56.14107(a) | S&S | ModNegligence | $161 |
| 05/24/2024 | 56.12030 | Non-S&S | ModNegligence | $147 |
| 05/24/2024 | 56.12025 | Non-S&S | ModNegligence | $147 |
| 05/24/2024 | 56.14207 | Non-S&S | ModNegligence | $147 |
| 05/24/2024 | 56.12032 | Non-S&S | ModNegligence | $204 |
| 01/15/2024 | 56.12032 | Non-S&S | ModNegligence | $204 |
| 01/15/2024 | 56.12008 | Non-S&S | ModNegligence | $204 |
Accidents & Injuries
View all 4 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 04/25/2024 | STEPPING OR KNEELING ON OBJECT | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 11/07/2023 | POWERED HAULAGE | DAYS AWAY FROM WORK ONLY | 1d lost |
| 02/17/2022 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | 6d lost |
| 03/07/2014 | MACHINERY | NO DYS AWY FRM WRK,NO RSTR ACT | None |
Inspections
View all 30 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 02/09/2026 | 02/10/2026 | 16.00 | 1 |
| 08/19/2025 | 08/25/2025 | 24.00 | 2 |
| 05/20/2025 | 05/20/2025 | 9.00 | 1 |
| 02/20/2025 | 02/21/2025 | 20.25 | 1 |
| 06/03/2024 | 06/03/2024 | 2.75 | 1 |
| 05/24/2024 | 05/28/2024 | 28.50 | 1 |
| 05/24/2024 | 05/24/2024 | 1.75 | 1 |
| 01/12/2024 | 01/15/2024 | 17.50 | 1 |
| 11/30/2023 | 11/30/2023 | 11.00 | 1 |
| 11/09/2023 | 11/10/2023 | 1.75 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Sanger Aggregate Plant have?
Sanger Aggregate Plant has 115 MSHA violations on record, of which 27 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $32K.
What type of mine is Sanger Aggregate Plant?
Sanger Aggregate Plant is a Surface mine producing Nonmetal, located in Sanger, Fresno County, CA. It currently has 10 employees.
Has anyone been injured or killed at Sanger Aggregate Plant?
According to MSHA records, Sanger Aggregate Plant has 4 reported accident/injury records and 0 fatalities on file.
Who operates Sanger Aggregate Plant?
Sanger Aggregate Plant is operated by Martin Marietta Northern California Aggregates,LLC and controlled by Martin Marietta Materials Inc. MSHA Mine ID: 0405799.