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Watco Transloading LLC

Marine Cargo Handling, Baton Rouge, Louisiana. NPDES permit LA0102946 expired Oct 31, 2026. Last 12 months: over a limit 6 times (last June 2026), 1 of 20 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A quarterly (14 values), outfall 003 form A quarterly (12 values), outfall 002 form S twice a year
Last report on file
June 2026
Oct 2024 – Sep 2025
6 values over a limit, 0 required values missing, 7 of 26 reports late

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

Period endingParameterReportedLimitOver by
December 2025Coliform, fecal general, daily maximum> 2419.6 #/100mL≤ 400 #/100mL—
December 2025Coliform, fecal general, monthly geometric mean> 2419.6 #/100mL≤ 200 #/100mL—
December 2025Solids, total suspended, daily maximum230 mg/L≤ 45 mg/L411%
December 2025Solids, total suspended, monthly average230 mg/L≤ 30 mg/L667%
June 2026Coliform, fecal general, daily maximum> 2419.6 #/100mL≤ 400 #/100mL—
June 2026Coliform, fecal general, monthly geometric mean> 2419.6 #/100mL≤ 200 #/100mL—

Limits in force (36)

ParameterStatisticLimitMonthsOutfall
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Solids, total suspendeddaily maximum≤ 50 mg/Lall year001
Solids, total suspendeddaily maximum≤ 50 mg/Lall year001
Oil & Greasedaily maximum≤ 15 mg/Lall year001
Oil & Greasedaily maximum≤ 15 mg/Lall year001
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year001
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)all year001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year002
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year002
pHinstantaneous minimum≥ 6 SUall year002
pHinstantaneous maximum≤ 9 SUall year002
Solids, total suspendedmonthly average≤ 30 mg/Lall year002
Solids, total suspendeddaily maximum≤ 45 mg/Lall year002
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)all year002
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year002
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year002
Oxygen demand, chem. [high level] [COD]daily maximum≤ 250 mg/Lall year003
Oxygen demand, chem. [high level] [COD]daily maximum≤ 250 mg/Lall year003
pHinstantaneous minimum≥ 6 SUall year003
pHinstantaneous minimum≥ 6 SUall year003
pHinstantaneous maximum≤ 9 SUall year003
pHinstantaneous maximum≤ 9 SUall year003
Oil & Greasedaily maximum≤ 15 mg/Lall year003
Oil & Greasedaily maximum≤ 15 mg/Lall year003
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year003
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)all year003

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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Your permit document is the final word. As JSON: /api/v1/permits/LA0102946 · MCP: https://passage-data.com/mcp