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APAC-Central, Inc.-J-6 Quarry

Crushed And Broken Limestone, Vinita, Oklahoma. NPDES permit OK0042757, in force until Mar 31, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 15 days after each period: form A monthly (10 values)
Renewal application due: Oct 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file: September 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 1 of 12 reports late

Limits in force (10)

Parameter	Statistic	Limit	Months
pH	minimum	≥ 6.5 SU	all year
pH	maximum	≤ 9 SU	all year
Solids, total suspended	monthly average	≤ 30 mg/L	all year
Solids, total suspended	daily maximum	≤ 45 mg/L	all year
Sulfate, dissolved [as SO4]	monthly average	≤ 400 mg/L	all year
Sulfate, dissolved [as SO4]	daily maximum	≤ 400 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
Solids, total dissolved- 180 deg. C	monthly average	≤ 1125 mg/L	all year
Solids, total dissolved- 180 deg. C	daily maximum	≤ 1125 mg/L	all year

How strict are these limits?

Solids, total dissolved- 180 deg. C, monthly average 1125 mg/L — stricter than 100% of 58 other minor industrial and other permits nationwide
Solids, total suspended, daily maximum 45 mg/L — stricter than 14% of 104 other minor industrial and other permits in Oklahoma; 35% have the same limit

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

Same industry: the 14 Mining and Quarrying of Nonmetallic Minerals permits in Oklahoma.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OK0042757 · MCP: https://passage-data.com/mcp