Key Takeaway
South Portable Plant is a temporarily idled surface mine producing Stone, located in Arnold, Jefferson County, MO. It has 2 violations on record (0 S&S) and $294 in proposed penalties. Operated by New Frontier Materials Operations Alpha LLC.
South Portable Plant
Operator: New Frontier Materials Operations Alpha LLC
Controller: RWNIH-OP Holdings LLC; PEPI Capital, L.P.; 42 North Resources Partners I
Location: Arnold, Jefferson County, MO
Employees: 5
Recent Violations
View all 2 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 05/07/2024 | 46.9(b)(3) | Non-S&S | ModNegligence | $147 |
| 05/07/2024 | 41.12 | Non-S&S | ModNegligence | $147 |
Inspections
View all 3 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 03/04/2026 | 03/04/2026 | 0.00 | 0 |
| 12/17/2024 | 12/17/2024 | 11.50 | 1 |
| 05/06/2024 | 05/07/2024 | 13.00 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does South Portable Plant have?
South Portable Plant has 2 MSHA violations on record, of which 0 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $294.
What type of mine is South Portable Plant?
South Portable Plant is a Surface mine producing Stone, located in Arnold, Jefferson County, MO. It currently has 5 employees.
Has anyone been injured or killed at South Portable Plant?
According to MSHA records, South Portable Plant has 0 reported accident/injury records and 0 fatalities on file.
Who operates South Portable Plant?
South Portable Plant is operated by New Frontier Materials Operations Alpha LLC and controlled by RWNIH-OP Holdings LLC; PEPI Capital, L.P.; 42 North Resources Partners I. MSHA Mine ID: 2302567.