Key Takeaway
Portable #3 is a active surface mine producing Stone, located in midland, Midland County, TX. It has 12 violations on record (3 S&S) and $2K in proposed penalties. Operated by Thompson Materials.
Portable #3
Operator: Thompson Materials
Controller: Moriah TFS Holdings LLC
Location: midland, Midland County, TX
Employees: 2
Recent Violations
View all 12 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 08/19/2025 | 56.18020 | Non-S&S | ModNegligence | $151 |
| 08/19/2025 | 47.41(a) | Non-S&S | ModNegligence | $151 |
| 03/18/2025 | 41.12 | Non-S&S | ModNegligence | $151 |
| 09/17/2024 | 56.16005 | Non-S&S | ModNegligence | $147 |
| 09/11/2023 | 56.14100(c) | Non-S&S | ModNegligence | $143 |
| 09/11/2023 | 56.9300(b) | S&S | ModNegligence | $346 |
| 07/21/2022 | 56.14205 | S&S | ModNegligence | $133 |
| 07/21/2022 | 56.14100(c) | S&S | ModNegligence | $133 |
| 01/16/2022 | 50.30(a) | Non-S&S | LowNegligence | $133 |
| 09/23/2020 | 56.4201(a)(2) | Non-S&S | ModNegligence | $123 |
| 09/23/2020 | 56.14100(b) | Non-S&S | ModNegligence | $123 |
| 09/23/2020 | 56.18010 | Non-S&S | ModNegligence | $123 |
Inspections
View all 10 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 03/03/2026 | 0.00 | 0 | |
| 08/18/2025 | 08/19/2025 | 15.50 | 1 |
| 03/18/2025 | 03/18/2025 | 5.50 | 1 |
| 09/16/2024 | 09/19/2024 | 16.25 | 1 |
| 09/11/2023 | 09/11/2023 | 10.75 | 1 |
| 08/03/2022 | 08/03/2022 | 7.25 | 1 |
| 07/20/2022 | 07/21/2022 | 12.00 | 1 |
| 08/11/2021 | 08/11/2021 | 2.25 | 1 |
| 11/10/2020 | 11/10/2020 | 4.00 | 1 |
| 09/23/2020 | 09/25/2020 | 13.25 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Portable #3 have?
Portable #3 has 12 MSHA violations on record, of which 3 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $2K.
What type of mine is Portable #3?
Portable #3 is a Surface mine producing Stone, located in midland, Midland County, TX. It currently has 2 employees.
Has anyone been injured or killed at Portable #3?
According to MSHA records, Portable #3 has 0 reported accident/injury records and 0 fatalities on file.
Who operates Portable #3?
Portable #3 is operated by Thompson Materials and controlled by Moriah TFS Holdings LLC. MSHA Mine ID: 4105485.