Passage Data · Check a report · Use it from your AI

Tokai Carbon CB LTD. - Addis Carbon Black Plant

Carbon Black, Addis, Louisiana. NPDES permit LA0047554, in force until Jul 31, 2027. Last 12 months: over a limit once (last March 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form Q quarterly (10 values), outfall 002 form Q quarterly (7 values), outfall 003 form Q quarterly (7 values), outfall 004 form Q quarterly (7 values), outfall 005 form A quarterly (20 values), outfall 006 form Q quarterly (14 values), and 2 more forms
Renewal application due
Feb 1, 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, 0 of 38 reports late

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

Period endingParameterReportedLimitOver by
March 2026Carbon, tot organic [TOC], daily maximum107 mg/L≤ 50 mg/L114%

Limits in force (87)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year001
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendeddaily maximum≤ 45 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
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year001
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year001
pHinstantaneous minimum≥ 6 SUall year002
pHinstantaneous maximum≤ 9 SUall year002
Solids, total suspendeddaily maximumreport only (mg/L)all year002
Oil & Greasedaily maximum≤ 15 mg/Lall year002
Carbon, tot organic [TOC]daily maximum≤ 50 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
pHinstantaneous minimum≥ 6 SUall year003
pHinstantaneous maximum≤ 9 SUall year003
Solids, total suspendeddaily maximumreport only (mg/L)all year003
Oil & Greasedaily maximum≤ 15 mg/Lall year003
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
pHinstantaneous minimum≥ 6 SUall year004
pHinstantaneous maximum≤ 9 SUall year004
Solids, total suspendeddaily maximumreport only (mg/L)all year004
Oil & Greasedaily maximum≤ 15 mg/Lall year004
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Temperature, water deg. fahrenheitinstantaneous maximumreport only (deg F)all year005
Temperature, water deg. fahrenheitinstantaneous maximumreport only (deg F)all year005
pHinstantaneous minimum≥ 6 SUall year005
pHinstantaneous minimum≥ 6 SUall year005
pHinstantaneous maximum≤ 9 SUall year005
pHinstantaneous maximum≤ 9 SUall year005
Solids, total suspendeddaily maximum≤ 70 mg/Lall year005
Solids, total suspendeddaily maximum≤ 70 mg/Lall year005
Oil & Greasedaily maximum≤ 15 mg/Lall year005
Oil & Greasedaily maximum≤ 15 mg/Lall year005
Nitrogen, total [as N]monthly averagereport only (mg/L)all year005
Nitrogen, total [as N]monthly averagereport only (mg/L)all year005
Nitrogen, total [as N]daily maximumreport only (mg/L)all year005
Nitrogen, total [as N]daily maximumreport only (mg/L)all year005
Phosphorus, total [as P]monthly averagereport only (mg/L)all year005
Phosphorus, total [as P]monthly averagereport only (mg/L)all year005
Phosphorus, total [as P]daily maximumreport only (mg/L)all year005
Phosphorus, total [as P]daily maximumreport only (mg/L)all year005
Carbon, tot organic [TOC]daily maximum≤ 75 mg/Lall year005
Carbon, tot organic [TOC]daily maximum≤ 75 mg/Lall year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
Turbidity, lab, NTUmonthly averagereport only (NTU)all year005
Turbidity, lab, NTUmonthly averagereport only (NTU)all year005
Turbidity, lab, NTUdaily maximumreport only (NTU)all year005
Turbidity, lab, NTUdaily maximumreport only (NTU)all year005
pHinstantaneous minimum≥ 6 SUall year006
pHinstantaneous minimum≥ 6 SUall year006
pHinstantaneous maximum≤ 9 SUall year006
pHinstantaneous maximum≤ 9 SUall year006
Solids, total suspendeddaily maximumreport only (mg/L)all year006
Solids, total suspendeddaily maximumreport only (mg/L)all year006
Oil & Greasedaily maximum≤ 15 mg/Lall year006
Oil & Greasedaily maximum≤ 15 mg/Lall year006
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year006
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year006
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all 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
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year006
pHinstantaneous minimum≥ 6 SUall year007
pHinstantaneous minimum≥ 6 SUall year007
pHinstantaneous maximum≤ 9 SUall year007
pHinstantaneous maximum≤ 9 SUall year007
Solids, total suspendeddaily maximumreport only (mg/L)all year007
Solids, total suspendeddaily maximumreport only (mg/L)all year007
Oil & Greasedaily maximum≤ 15 mg/Lall year007
Oil & Greasedaily maximum≤ 15 mg/Lall year007
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year007
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year007
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year007
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year007
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year007
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year007

How strict are these limits?

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

Same industry: the 130 Chemicals and Allied Products permits in Louisiana.

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

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/LA0047554 · MCP: https://passage-data.com/mcp