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APAC Central, Inc.- Dewey Quarry

Crushed And Broken Limestone, Dewey, Oklahoma. NPDES permit OK0100331, in force until Aug 31, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (8 values), outfall 002 form A monthly (8 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 2 of 24 reports late

Limits in force (16)

ParameterStatisticLimitMonthsOutfall
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, total suspendeddaily maximum≤ 45 mg/Lall year001
Oil & Greasemonthly averagereport only (mg/L)all year001
Oil & Greasedaily maximum≤ 15 mg/Lall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
pHminimum≥ 6.5 SUall year002
pHmaximum≤ 9 SUall year002
Solids, total suspendedmonthly averagereport only (mg/L)all year002
Solids, total suspendeddaily maximum≤ 45 mg/Lall year002
Oil & Greasemonthly averagereport only (mg/L)all year002
Oil & Greasedaily maximum≤ 15 mg/Lall year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002

How strict are these limits?

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

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

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OK0100331 · MCP: https://passage-data.com/mcp