Key Takeaway
Darling Mine is a active surface mine producing Metal, located in Coconino, Coconino County, AZ. It has 74 violations on record (21 S&S) and $12K in proposed penalties. Operated by Oldcastle-Superlite.
Darling Mine
Operator: Oldcastle-Superlite
Controller: CRH PLC
Location: Coconino, Coconino County, AZ
Employees: 4
Recent Violations
View all 74 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 02/10/2026 | 50.30(a) | Non-S&S | ModNegligence | $0 |
| 07/08/2025 | 56.12008 | S&S | ModNegligence | $818 |
| 07/08/2025 | 56.12032 | S&S | ModNegligence | $818 |
| 07/08/2025 | 56.9300(a) | Non-S&S | ModNegligence | $151 |
| 07/08/2025 | 56.14112(b) | S&S | ModNegligence | $366 |
| 07/08/2025 | 56.12004 | Non-S&S | ModNegligence | $165 |
| 07/08/2025 | 56.20003(a) | S&S | ModNegligence | $245 |
| 07/08/2025 | 56.12028 | Non-S&S | ModNegligence | $165 |
| 07/08/2025 | 56.18002 | S&S | ModNegligence | $366 |
| 03/12/2025 | 56.16005 | Non-S&S | HighNegligence | $165 |
| 03/12/2025 | 56.20003(a) | Non-S&S | HighNegligence | $165 |
| 03/12/2025 | 56.20003(a) | Non-S&S | HighNegligence | $165 |
| 06/07/2022 | 50.30(a) | Non-S&S | ModNegligence | $133 |
| 06/06/2022 | 56.20003(a) | Non-S&S | ModNegligence | $133 |
| 06/06/2022 | 50.30(a) | Non-S&S | ModNegligence | $133 |
| 05/02/2019 | 50.30(a) | Non-S&S | ModNegligence | $121 |
| 05/02/2019 | 50.30(a) | Non-S&S | ModNegligence | $121 |
| 05/02/2019 | 50.30(a) | Non-S&S | ModNegligence | $121 |
| 05/02/2019 | 50.30(a) | Non-S&S | ModNegligence | $121 |
| 04/18/2019 | 48.25 | S&S | ModNegligence | $450 |
Accidents & Injuries
View all 3 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 04/22/2013 | POWERED HAULAGE | DAYS RESTRICTED ACTIVITY ONLY | 2d restricted |
| 11/13/2006 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 03/20/2000 | HANDTOOLS (NONPOWERED) | DAYS RESTRICTED ACTIVITY ONLY | 43d restricted |
Inspections
View all 60 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 02/10/2026 | 02/10/2026 | 11.00 | 1 |
| 07/21/2025 | 07/23/2025 | 6.75 | 1 |
| 07/07/2025 | 07/08/2025 | 14.00 | 1 |
| 03/11/2025 | 03/19/2025 | 10.00 | 1 |
| 07/17/2024 | 07/18/2024 | 6.00 | 1 |
| 10/30/2023 | 11/01/2023 | 12.00 | 1 |
| 06/27/2023 | 06/27/2023 | 6.00 | 1 |
| 03/07/2023 | 03/08/2023 | 5.75 | 1 |
| 02/15/2023 | 02/15/2023 | 4.50 | 1 |
| 06/06/2022 | 06/09/2022 | 14.00 | 1 |
Mine Details
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Frequently Asked Questions
How many MSHA violations does Darling Mine have?
Darling Mine has 74 MSHA violations on record, of which 21 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $12K.
What type of mine is Darling Mine?
Darling Mine is a Surface mine producing Metal, located in Coconino, Coconino County, AZ. It currently has 4 employees.
Has anyone been injured or killed at Darling Mine?
According to MSHA records, Darling Mine has 3 reported accident/injury records and 0 fatalities on file.
Who operates Darling Mine?
Darling Mine is operated by Oldcastle-Superlite and controlled by CRH PLC. MSHA Mine ID: 0200181.