Key Takeaway
The Ridge is a active surface mine producing SandAndGravel, located in Wickenburg, AZ, Maricopa County, AZ. It has 49 violations on record (7 S&S) and $36K in proposed penalties. Operated by Kilauea Crushers Inc..
The Ridge
Operator: Kilauea Crushers Inc.
Controller: C William Nichols
Location: Wickenburg, AZ, Maricopa County, AZ
Employees: 25
Recent Violations
View all 49 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 09/18/2025 | 56.4603 | Non-S&S | ModNegligence | $288 |
| 09/18/2025 | 56.11012 | Non-S&S | ModNegligence | $288 |
| 09/18/2025 | 56.4603 | Non-S&S | ModNegligence | $288 |
| 09/18/2025 | 56.14107(a) | S&S | ModNegligence | $23,525 |
| 09/18/2025 | 56.14107(a) | Non-S&S | ModNegligence | $1,431 |
| 09/18/2025 | 56.11001 | Non-S&S | ModNegligence | $288 |
| 09/18/2025 | 56.14107(a) | Non-S&S | ModNegligence | $2,133 |
| 03/27/2025 | 56.20003(a) | Non-S&S | ModNegligence | $151 |
| 03/27/2025 | 56.14107 | Non-S&S | ModNegligence | $151 |
| 03/27/2025 | 56.14107 | Non-S&S | ModNegligence | $151 |
| 03/27/2025 | 56.14107 | Non-S&S | ModNegligence | $151 |
| 03/20/2025 | 56.20003(a) | Non-S&S | ModNegligence | $151 |
| 03/20/2025 | 56.12032 | Non-S&S | ModNegligence | $151 |
| 03/20/2025 | 56.12008 | Non-S&S | ModNegligence | $151 |
| 03/20/2025 | 56.12028 | Non-S&S | ModNegligence | $151 |
| 05/15/2024 | 56.14130(i) | Non-S&S | LowNegligence | $147 |
| 05/15/2024 | 56.14112(b) | Non-S&S | ModNegligence | $147 |
| 05/15/2024 | 56.14132(a) | Non-S&S | LowNegligence | $147 |
| 05/15/2024 | 56.14107(a) | Non-S&S | HighNegligence | $189 |
| 05/15/2024 | 56.14107(a) | Non-S&S | HighNegligence | $189 |
Accidents & Injuries
View all 1 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 01/21/2025 | SLIP OR FALL OF PERSON | DAYS AWAY FROM WORK ONLY | None |
Inspections
View all 14 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 09/18/2025 | 09/23/2025 | 39.25 | 2 |
| 03/19/2025 | 03/28/2025 | 34.00 | 1 |
| 05/14/2024 | 05/16/2024 | 21.00 | 1 |
| 01/03/2024 | 01/03/2024 | 2.00 | 1 |
| 12/19/2023 | 12/22/2023 | 20.50 | 1 |
| 05/23/2023 | 05/24/2023 | 13.00 | 1 |
| 05/23/2023 | 05/24/2023 | 4.50 | 1 |
| 03/24/2023 | 03/25/2023 | 12.50 | 1 |
| 06/30/2022 | 06/30/2022 | 2.25 | 1 |
| 05/26/2022 | 06/02/2022 | 3.25 | 1 |
Mine Details
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Frequently Asked Questions
How many MSHA violations does The Ridge have?
The Ridge has 49 MSHA violations on record, of which 7 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $36K.
What type of mine is The Ridge?
The Ridge is a Surface mine producing SandAndGravel, located in Wickenburg, AZ, Maricopa County, AZ. It currently has 25 employees.
Has anyone been injured or killed at The Ridge?
According to MSHA records, The Ridge has 1 reported accident/injury records and 0 fatalities on file.
Who operates The Ridge?
The Ridge is operated by Kilauea Crushers Inc. and controlled by C William Nichols. MSHA Mine ID: 0203441.