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Venator Chemicals LLC

Industrial Inorganic Chemicals, major discharger, Harrisburg, North Carolina. NPDES permit NC0006351, in force until May 31, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form M monthly (21 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 21 required values missing, 3 of 12 reports late

Limits in force (21)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspended30-day average≤ 2 lb/dall year
Solids, total suspendeddaily maximum≤ 3 lb/dall year
Nitrogen, ammonia total [as N]30-day average≤ 2 lb/dall year
Nitrogen, ammonia total [as N]daily maximum≤ 3 lb/dall year
Arsenic, total [as As]30-day average≤ .208 lb/dall year
Arsenic, total [as As]daily maximum≤ .416 lb/dall year
Chromium, total [as Cr]30-day average≤ .104 lb/dall year
Chromium, total [as Cr]daily maximum≤ .2 lb/dall year
Copper, total [as Cu]30-day average≤ .035 lb/dall year
Copper, total [as Cu]daily maximum≤ .11 lb/dall year
Lead, total [as Pb]30-day average≤ .01 lb/dall year
Lead, total [as Pb]daily maximum≤ .037 lb/dall year
Nickel, total [as Ni]daily maximumreport only (ug/L)all year
Zinc, total [as Zn]30-day average≤ .313 lb/dall year
Zinc, total [as Zn]daily maximum≤ .626 lb/dall year
Selenium, total [as Se]30-day average≤ .108 lb/dall year
Selenium, total [as Se]daily maximum≤ .416 lb/dall year
Flow, in conduit or thru treatment plant30-day average≤ .025 MGDall year

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

Same industry: the 17 Chemicals and Allied Products permits in North Carolina.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NC0006351 · MCP: https://passage-data.com/mcp