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Arkansas Specialty Sands, LLC

Industrial Sand, Black Rock, Arkansas. NPDES permit AR0052710, in force until Apr 30, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 25 days after each period: form A monthly (9 values)
Renewal application due: Nov 1, 2026 · 180 days before expiry; your permit may set another date
Last report on file: August 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (10)

Parameter	Statistic	Limit	Months
Oxygen, dissolved [DO]	instantaneous minimum	≥ 6 mg/L	Jan, Feb, Mar, Apr, Nov, Dec
Oxygen, dissolved [DO]	instantaneous minimum	≥ 2 mg/L	May–Oct
pH	minimum	≥ 6 SU	all year
pH	maximum	≤ 9 SU	all year
Solids, total suspended	monthly average	≤ 25 mg/L	all year
Solids, total suspended	daily maximum	≤ 45 mg/L	all year
Oil & Grease	monthly average	≤ 10 mg/L	all year
Oil & Grease	daily maximum	≤ 15 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

How strict are these limits?

Oxygen, dissolved [DO], instantaneous minimum at least 6 mg/L — stricter than 85% of 252 other minor industrial and other permits in Arkansas; 13% have the same limit
Solids, total suspended, monthly average 25 mg/L — stricter than 35% of 303 other minor industrial and other permits in Arkansas; 1% have the same limit
Solids, total suspended, daily maximum 45 mg/L — stricter than 29% of 310 other minor industrial and other permits in Arkansas; 9% have the same limit

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

Same industry: the 30 Mining and Quarrying of Nonmetallic Minerals permits in Arkansas.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/AR0052710 · MCP: https://passage-data.com/mcp