Key Takeaway
Kellog Creek Aggregates Inc is a active surface mine producing SandAndGravel, located in BYRON, Contra Costa County, CA. It has 36 violations on record (8 S&S) and $5K in proposed penalties. Operated by Kellog Creek Aggregates Inc.
Kellog Creek Aggregates Inc
Operator: Kellog Creek Aggregates Inc
Controller: Sherri Mognaga
Location: BYRON, Contra Costa County, CA
Employees: 5
Recent Violations
View all 36 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 10/09/2025 | 56.18002(d) | Non-S&S | ModNegligence | $151 |
| 10/09/2025 | 56.12028 | Non-S&S | LowNegligence | $151 |
| 10/09/2025 | 56.14132(a) | Non-S&S | ModNegligence | $151 |
| 10/16/2021 | 50.0(a) | Non-S&S | ModNegligence | $133 |
| 07/16/2020 | 50.30(a) | Non-S&S | ModNegligence | $125 |
| 12/18/2019 | 56.14100(b) | Non-S&S | ModNegligence | $123 |
| 12/18/2019 | 56.14107(a) | Non-S&S | ModNegligence | $123 |
| 12/18/2019 | 56.14107(a) | S&S | ModNegligence | $324 |
| 11/01/2018 | 50.30(a) | Non-S&S | LowNegligence | $118 |
| 11/01/2018 | 56.4200(b)(2) | Non-S&S | ModNegligence | $118 |
| 01/24/2017 | 56.4203 | Non-S&S | ModNegligence | $116 |
| 01/12/2016 | 41.12 | Non-S&S | LowNegligence | $100 |
| 06/17/2015 | 56.14100(b) | Non-S&S | ModNegligence | $100 |
| 06/17/2015 | 56.14107(a) | Non-S&S | ModNegligence | $100 |
| 10/23/2014 | 56.12004 | Non-S&S | LowNegligence | $100 |
| 05/29/2014 | 56.4130(b) | Non-S&S | ModNegligence | $100 |
| 02/24/2014 | 56.12002 | S&S | LowNegligence | $100 |
| 02/24/2014 | 56.14132(b)(1) | Non-S&S | ModNegligence | $100 |
| 04/30/2013 | 56.14107(a) | Non-S&S | ModNegligence | $100 |
| 04/30/2013 | 56.4104(b) | Non-S&S | ModNegligence | $100 |
Inspections
View all 34 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 10/09/2025 | 10/14/2025 | 9.25 | 2 |
| 06/24/2025 | 06/24/2025 | 4.75 | 1 |
| 02/18/2025 | 02/18/2025 | 4.00 | 1 |
| 08/29/2024 | 08/31/2024 | 14.50 | 1 |
| 03/19/2024 | 03/20/2024 | 12.00 | 1 |
| 05/25/2023 | 05/25/2023 | 11.25 | 1 |
| 11/29/2022 | 11/30/2022 | 2.75 | 1 |
| 08/10/2022 | 08/10/2022 | 6.00 | 1 |
| 03/21/2022 | 03/21/2022 | 5.75 | 1 |
| 09/23/2021 | 09/23/2021 | 11.50 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Kellog Creek Aggregates Inc have?
Kellog Creek Aggregates Inc has 36 MSHA violations on record, of which 8 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $5K.
What type of mine is Kellog Creek Aggregates Inc?
Kellog Creek Aggregates Inc is a Surface mine producing SandAndGravel, located in BYRON, Contra Costa County, CA. It currently has 5 employees.
Has anyone been injured or killed at Kellog Creek Aggregates Inc?
According to MSHA records, Kellog Creek Aggregates Inc has 0 reported accident/injury records and 0 fatalities on file.
Who operates Kellog Creek Aggregates Inc?
Kellog Creek Aggregates Inc is operated by Kellog Creek Aggregates Inc and controlled by Sherri Mognaga. MSHA Mine ID: 0403622.