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Cooper Consolidated, LLC

Marine Cargo Handling, Darrow, Louisiana. NPDES permit LA0070441, in force until Jun 30, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001A form A quarterly, outfall 001B form Q quarterly, outfall 001C form A quarterly, outfall 001E form A quarterly
Last report on file
June 2026
Oct 2024 – Sep 2025
6 values over a limit, 0 required values missing, 0 of 40 reports late

Limits in force (35)

ParameterStatisticLimitMonthsOutfall
Oxygen demand, chem. [high level] [COD]daily maximum≤ 250 mg/Lall year001A
pHinstantaneous minimum≥ 6 SUall year001A
pHinstantaneous maximum≤ 9 SUall year001A
Oil & Greasedaily maximum≤ 15 mg/Lall year001A
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001A
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001A
Oil and grease visualdaily maximum≤ 0 occur/dall year001A
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001B
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year001B
pHinstantaneous minimum≥ 6 SUall year001B
pHinstantaneous maximum≤ 9 SUall year001B
Solids, total suspendedmonthly average≤ 30 mg/Lall year001B
Solids, total suspendeddaily maximum≤ 45 mg/Lall year001B
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001B
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001B
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year001B
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year001B
pHinstantaneous minimum≥ 6 SUall year001C
pHinstantaneous maximum≤ 9 SUall year001C
Oil & Greasedaily maximum≤ 15 mg/Lall year001C
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year001C
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001C
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001C
Oxygen demand, chem. [high level] [COD]monthly average≤ 250 mg/Lall year001E
Oxygen demand, chem. [high level] [COD]daily maximum≤ 400 mg/Lall year001E
pHinstantaneous minimum≥ 6 SUall year001E
pHinstantaneous maximum≤ 9 SUall year001E
Solids, total suspendedmonthly averagereport only (mg/L)all year001E
Solids, total suspendeddaily maximumreport only (mg/L)all year001E
Copper, total [as Cu]monthly averagereport only (mg/L)all year001E
Copper, total [as Cu]daily maximumreport only (mg/L)all year001E
Zinc, total [as Zn]monthly averagereport only (mg/L)all year001E
Zinc, total [as Zn]daily maximumreport only (mg/L)all year001E
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001E
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001E

How strict are these limits?

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

Same industry: the 28 Water Transportation permits in Louisiana.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/LA0070441 · MCP: https://passage-data.com/mcp