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Specialty Vermiculite LLC

Miscellaneous Nonmetallic Minerals, Enoree, South Carolina. NPDES permit SC0045811 expired Apr 30, 2020; its limits still apply. Last 12 months: no values over a limit, 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 29 days after each period: form 1 monthly (6 values)
Last report on file: August 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 1 of 12 reports late

Limits in force (6)

Parameter	Statistic	Limit	Months
pH	instantaneous minimum	≥ 6 SU	all year
pH	instantaneous maximum	≤ 8.5 SU	all year
Solids, total suspended	daily maximum	≤ 110 mg/L	all year
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year
Duration of discharge	daily maximum	report only (d/mo)	all year

How strict are these limits?

Solids, total suspended, daily maximum 110 mg/L — stricter than 16% of 85 other minor industrial and other permits in South Carolina; 4% have the same limit

Cited limits by parameter: South Carolina's rules and the federal ones.

Same industry: the 6 Mining and Quarrying of Nonmetallic Minerals permits in South Carolina.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/SC0045811 · MCP: https://passage-data.com/mcp