Key Takeaway
MULLINAX SAND & GRAVEL PLANT is a active surface mine producing SandAndGravel, located in Sheridan, Sheridan County, WY. It has 80 violations on record (12 S&S) and $12K in proposed penalties. Operated by Mullinax Inc.
MULLINAX SAND & GRAVEL PLANT
Operator: Mullinax Inc
Controller: Nathan Mullinax
Location: Sheridan, Sheridan County, WY
Employees: 14
Recent Violations
View all 80 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 12/22/2025 | 56.20003(a) | Non-S&S | ModNegligence | $151 |
| 11/12/2024 | 56.12018 | S&S | LowNegligence | $189 |
| 11/12/2024 | 56.14100(b) | Non-S&S | LowNegligence | $147 |
| 04/26/2024 | 56.12032 | Non-S&S | LowNegligence | $147 |
| 04/26/2024 | 56.12032 | S&S | ModNegligence | $147 |
| 04/26/2024 | 56.12028 | Non-S&S | ModNegligence | $147 |
| 04/24/2024 | 56.12028 | Non-S&S | LowNegligence | $147 |
| 06/07/2023 | 56.12025 | Non-S&S | ModNegligence | $143 |
| 06/07/2023 | 56.12030 | Non-S&S | ModNegligence | $143 |
| 09/19/2022 | 56.15005 | S&S | LowNegligence | $169 |
| 09/14/2022 | 56.11012 | Non-S&S | ModNegligence | $133 |
| 11/04/2021 | 56.14100(b) | Non-S&S | LowNegligence | $125 |
| 07/23/2020 | 56.14207 | Non-S&S | LowNegligence | $123 |
| 03/23/2020 | 56.14207 | Non-S&S | ModNegligence | $144 |
| 03/23/2020 | 56.12018 | Non-S&S | ModNegligence | $144 |
| 03/23/2020 | 56.18002(b) | Non-S&S | LowNegligence | $123 |
| 03/23/2020 | 56.12032 | Non-S&S | LowNegligence | $123 |
| 08/22/2019 | 56.15004 | Non-S&S | LowNegligence | $121 |
| 08/22/2019 | 56.14206(b) | Non-S&S | ModNegligence | $121 |
| 08/22/2019 | 56.15002 | Non-S&S | ModNegligence | $121 |
Accidents & Injuries
View all 3 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 05/04/2009 | OTHER | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 10/28/2008 | HANDTOOLS (NONPOWERED) | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 04/07/2001 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
Inspections
View all 45 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 12/22/2025 | 12/23/2025 | 12.50 | 1 |
| 05/15/2025 | 05/16/2025 | 19.00 | 1 |
| 11/12/2024 | 11/13/2024 | 24.00 | 1 |
| 04/23/2024 | 05/02/2024 | 44.75 | 1 |
| 10/19/2023 | 10/23/2023 | 17.00 | 1 |
| 06/07/2023 | 06/20/2023 | 27.25 | 1 |
| 05/17/2023 | 05/17/2023 | 1.50 | 1 |
| 01/12/2023 | 01/23/2023 | 22.50 | 1 |
| 09/14/2022 | 09/27/2022 | 14.50 | 1 |
| 11/04/2021 | 11/05/2021 | 9.50 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does MULLINAX SAND & GRAVEL PLANT have?
MULLINAX SAND & GRAVEL PLANT has 80 MSHA violations on record, of which 12 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $12K.
What type of mine is MULLINAX SAND & GRAVEL PLANT?
MULLINAX SAND & GRAVEL PLANT is a Surface mine producing SandAndGravel, located in Sheridan, Sheridan County, WY. It currently has 14 employees.
Has anyone been injured or killed at MULLINAX SAND & GRAVEL PLANT?
According to MSHA records, MULLINAX SAND & GRAVEL PLANT has 3 reported accident/injury records and 0 fatalities on file.
Who operates MULLINAX SAND & GRAVEL PLANT?
MULLINAX SAND & GRAVEL PLANT is operated by Mullinax Inc and controlled by Nathan Mullinax. MSHA Mine ID: 4800289.