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La Dept of Wildlife & Fisheries -Grand Isle Marine Fisheries Lab

Noncommercial Research Organizations, Grand Isle, Louisiana. NPDES permit LA0126947, in force until Oct 14, 2028. Last 12 months: over a limit 8 times (last June 2026), 13 of 13 reports late. 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 (8 values), outfall 003 form Q quarterly (10 values), outfall 001 form S twice a year, outfall 003 form S twice a year
Renewal application due
Apr 17, 2028 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
13 values over a limit, 0 required values missing, 8 of 16 reports late

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

Period endingOutfallParameterReportedLimitOver by
December 2025001Coliform, fecal general, daily maximum1986.3 #/100mL≤ 43 #/100mL4519%
December 2025001Coliform, fecal general, monthly geometric mean1986.3 #/100mL≤ 14 #/100mL14088%
December 2025001Enterococci, daily maximum> 2419.6 #/100mL≤ 135 #/100mL—
December 2025001Enterococci, monthly geometric mean> 2419.6 #/100mL≤ 35 #/100mL—
December 2025003Enterococci, daily maximum> 2419.6 #/100mL≤ 135 #/100mL—
December 2025003Enterococci, monthly geometric mean> 2419.6 #/100mL≤ 35 #/100mL—
June 2026001Coliform, fecal general, daily maximum105 #/100mL≤ 43 #/100mL144%
June 2026001Coliform, fecal general, monthly geometric mean105 #/100mL≤ 14 #/100mL650%

Limits in force (32)

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 (gal/d)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)all year001
Enterococcimonthly geometric mean≤ 35 #/100mLall year001
Enterococcidaily maximum≤ 135 #/100mLall year001
Coliform, fecal generalmonthly geometric mean≤ 14 #/100mLall year001
Coliform, fecal generaldaily maximum≤ 43 #/100mLall year001
Oxygen demand, chem. [high level] [COD]monthly average≤ 200 mg/Lall year002
Oxygen demand, chem. [high level] [COD]daily maximum≤ 300 mg/Lall year002
pHinstantaneous minimum≥ 6 SUall year002
pHinstantaneous maximum≤ 9 SUall year002
Solids, total suspendeddaily maximum≤ 45 mg/Lall year002
Oil & Greasedaily maximum≤ 15 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
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year003
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year003
pHinstantaneous minimum≥ 6 SUall year003
pHinstantaneous maximum≤ 9 SUall year003
Solids, total suspendedmonthly average≤ 30 mg/Lall year003
Solids, total suspendeddaily maximum≤ 45 mg/Lall 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
Enterococcimonthly geometric mean≤ 35 #/100mLall year003
Enterococcidaily maximum≤ 135 #/100mLall year003
Coliform, fecal generalmonthly geometric mean≤ 14 #/100mLall year003
Coliform, fecal generaldaily maximum≤ 43 #/100mLall year003

How strict are these limits?

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

Same industry: the 8 Engineering, Accounting, Research and Management Services permits in Louisiana.

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Your permit document is the final word. As JSON: /api/v1/permits/LA0126947 · MCP: https://passage-data.com/mcp