Key Takeaway
Portable #1 is a intermittent surface mine producing Stone, located in Stanton, Martin County, TX. It has 47 violations on record (13 S&S) and $9K in proposed penalties. Operated by Thompson Materials.
Portable #1
Operator: Thompson Materials
Controller: Moriah TFS Holdings LLC
Location: Stanton, Martin County, TX
Employees: 4
Recent Violations
View all 47 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 07/24/2025 | 56.14132(a) | S&S | LowNegligence | $151 |
| 07/24/2025 | 56.14100(b) | Non-S&S | LowNegligence | $151 |
| 07/24/2025 | 47.41(a) | Non-S&S | LowNegligence | $151 |
| 09/18/2024 | 56.12028 | Non-S&S | ModNegligence | $147 |
| 06/02/2021 | 56.14100(c) | Non-S&S | ModNegligence | $125 |
| 12/11/2019 | 56.14112(b) | Non-S&S | ModNegligence | $121 |
| 12/10/2019 | 56.9300(a) | Non-S&S | ModNegligence | $121 |
| 12/10/2019 | 56.12008 | Non-S&S | ModNegligence | $121 |
| 10/03/2018 | 56.14100(c) | Non-S&S | ModNegligence | $118 |
| 10/03/2018 | 56.14100(c) | Non-S&S | ModNegligence | $118 |
| 10/03/2018 | 56.14101(a)(2) | Non-S&S | HighNegligence | $208 |
| 03/29/2018 | 56.4201(a)(1) | Non-S&S | HighNegligence | $462 |
| 03/28/2018 | 56.18002(b) | Non-S&S | HighNegligence | $1,539 |
| 03/28/2018 | 56.20003(a) | Non-S&S | ModNegligence | $138 |
| 03/28/2018 | 56.14100(a) | Non-S&S | ModNegligence | $462 |
| 03/28/2018 | 56.14100(b) | Non-S&S | ModNegligence | $462 |
| 03/28/2018 | 56.14132(a) | Non-S&S | ModNegligence | $462 |
| 03/28/2018 | 56.14103(b) | Non-S&S | HighNegligence | $462 |
| 02/01/2017 | 56.20011 | S&S | ModNegligence | $126 |
| 02/01/2017 | 56.20003(a) | S&S | ModNegligence | $116 |
Inspections
View all 25 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 07/24/2025 | 07/25/2025 | 16.00 | 1 |
| 09/18/2024 | 09/19/2024 | 15.00 | 1 |
| 09/13/2022 | 09/13/2022 | 10.75 | 1 |
| 07/27/2021 | 07/28/2021 | 7.50 | 1 |
| 07/07/2021 | 07/07/2021 | 4.75 | 1 |
| 06/23/2021 | 06/23/2021 | 1.25 | 1 |
| 06/02/2021 | 06/04/2021 | 14.75 | 2 |
| 12/20/2019 | 12/20/2019 | 4.00 | 1 |
| 12/10/2019 | 12/11/2019 | 8.50 | 1 |
| 10/22/2018 | 10/22/2018 | 7.25 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Portable #1 have?
Portable #1 has 47 MSHA violations on record, of which 13 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $9K.
What type of mine is Portable #1?
Portable #1 is a Surface mine producing Stone, located in Stanton, Martin County, TX. It currently has 4 employees.
Has anyone been injured or killed at Portable #1?
According to MSHA records, Portable #1 has 0 reported accident/injury records and 0 fatalities on file.
Who operates Portable #1?
Portable #1 is operated by Thompson Materials and controlled by Moriah TFS Holdings LLC. MSHA Mine ID: 4105022.