Key Takeaway
Navajo Rock & Block is a active surface mine producing SandAndGravel, located in Santa Margarita, San Luis Obispo County, CA. It has 141 violations on record (42 S&S) and $31K in proposed penalties. Operated by David Crye General Engineering Contractor, Inc..
Navajo Rock & Block
Operator: David Crye General Engineering Contractor, Inc.
Controller: David E Crye
Location: Santa Margarita, San Luis Obispo County, CA
Employees: 2
Recent Violations
View all 141 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 08/27/2025 | 56.14107(a) | Non-S&S | ModNegligence | $151 |
| 08/27/2025 | 56.11002 | Non-S&S | ModNegligence | $151 |
| 08/27/2025 | 56.12023 | Non-S&S | ModNegligence | $151 |
| 08/27/2025 | 56.23003(b) | Non-S&S | ModNegligence | $151 |
| 12/13/2023 | 56.14107(a) | S&S | HighNegligence | $535 |
| 12/13/2023 | 56.14107(a) | S&S | HighNegligence | $535 |
| 12/01/2022 | 56.4101 | Non-S&S | HighNegligence | $215 |
| 12/01/2022 | 56.14132(a) | Non-S&S | ModNegligence | $133 |
| 12/01/2022 | 56.12028 | Non-S&S | HighNegligence | $215 |
| 10/16/2022 | 50.30(a) | Non-S&S | HighNegligence | $133 |
| 05/05/2022 | 56.14107(a) | Non-S&S | ModNegligence | $481 |
| 01/16/2022 | 50.30(a) | Non-S&S | HighNegligence | $133 |
| 11/30/2021 | 56.14112(a)(1) | S&S | ModNegligence | $840 |
| 11/30/2021 | 56.12018 | Non-S&S | LowNegligence | $133 |
| 11/30/2021 | 56.4104(b) | Non-S&S | ModNegligence | $133 |
| 05/05/2021 | 41.12 | Non-S&S | LowNegligence | $125 |
| 05/04/2021 | 56.14107(a) | Non-S&S | ModNegligence | $125 |
| 05/04/2021 | 56.12002 | Non-S&S | ModNegligence | $125 |
| 05/04/2021 | 56.20011 | S&S | ModNegligence | $302 |
| 02/02/2021 | 56.9301 | Non-S&S | LowNegligence | $125 |
Inspections
View all 74 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 09/03/2025 | 09/03/2025 | 1.00 | 1 |
| 08/26/2025 | 08/27/2025 | 28.00 | 2 |
| 10/23/2024 | 10/23/2024 | 21.25 | 1 |
| 05/22/2024 | 05/22/2024 | 9.75 | 1 |
| 05/22/2024 | 05/22/2024 | 2.50 | 1 |
| 01/02/2024 | 01/03/2024 | 11.75 | 1 |
| 12/13/2023 | 12/13/2023 | 10.50 | 1 |
| 08/17/2023 | 08/17/2023 | 6.00 | 1 |
| 08/17/2023 | 08/17/2023 | 2.50 | 1 |
| 05/17/2023 | 05/17/2023 | 1.75 | 1 |
Mine Details
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Frequently Asked Questions
How many MSHA violations does Navajo Rock & Block have?
Navajo Rock & Block has 141 MSHA violations on record, of which 42 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $31K.
What type of mine is Navajo Rock & Block?
Navajo Rock & Block is a Surface mine producing SandAndGravel, located in Santa Margarita, San Luis Obispo County, CA. It currently has 2 employees.
Has anyone been injured or killed at Navajo Rock & Block?
According to MSHA records, Navajo Rock & Block has 0 reported accident/injury records and 0 fatalities on file.
Who operates Navajo Rock & Block?
Navajo Rock & Block is operated by David Crye General Engineering Contractor, Inc. and controlled by David E Crye. MSHA Mine ID: 0404240.