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Carbide Industries LLC

Industrial Organic Chemicals, Louisville, Kentucky. NPDES permit KY0097179, in force until May 31, 2028. Last 12 months: over a limit 6 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form 1 monthly (8 values), outfall 002 form 1 monthly (8 values), outfall 006 form 1 monthly (8 values)
Renewal application due
Dec 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
7 values over a limit, 0 required values missing, 0 of 36 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
October 2025Solids, total suspended, monthly average43 mg/L≤ 30 mg/L43%
October 2025pH, maximum10.19 SU≤ 9 SU—
April 2026Solids, total suspended, monthly average52 mg/L≤ 30 mg/L73%
April 2026pH, maximum9.7 SU≤ 9 SU—
June 2026pH, maximum10.97 SU≤ 9 SU—
July 2026pH, maximum11.07 SU≤ 9 SU—

Limits in force (24)

ParameterStatisticLimitMonthsOutfall
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendeddaily maximum≤ 60 mg/Lall year001
Oil & Greasemonthly average≤ 10 mg/Lall 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 SUall year002
pHmaximum≤ 9 SUall year002
Solids, total suspendedmonthly average≤ 30 mg/Lall year002
Solids, total suspendeddaily maximum≤ 60 mg/Lall year002
Oil & Greasemonthly average≤ 10 mg/Lall 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
pHminimum≥ 6 SUall year006
pHmaximum≤ 9 SUall year006
Solids, total suspendedmonthly average≤ 30 mg/Lall year006
Solids, total suspendeddaily maximum≤ 60 mg/Lall year006
Oil & Greasemonthly average≤ 10 mg/Lall year006
Oil & Greasedaily maximum≤ 15 mg/Lall year006
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year006
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year006

How strict are these limits?

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

Same industry: the 39 Chemicals and Allied Products permits in Kentucky.

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/KY0097179 · MCP: https://passage-data.com/mcp