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Usda Agricultural Research Service

Noncommercial Research Organizations, Baton Rouge, Louisiana. NPDES permit LA0100901, in force until Oct 14, 2028. Last 12 months: over a limit 4 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A quarterly (10 values), form Q quarterly (9 values)
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
4 values over a limit, 0 required values missing, 0 of 16 reports late

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

Period endingParameterReportedLimitOver by
April 2026BOD, carbonaceous [5 day, 20 C], daily maximum20 mg/L≤ 15 mg/L33%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average14.5 mg/L≤ 10 mg/L45%
June 2026Nitrogen, ammonia total [as N], daily maximum7.1 mg/L≤ 4 mg/L78%
June 2026Nitrogen, ammonia total [as N], monthly average7.1 mg/L≤ 2 mg/L255%

Limits in force (19)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly average minimum≥ 5 mg/Lall year
Oxygen demand, chem. [high level] [COD]daily maximum≤ 300 mg/Lall year
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 45 mg/Lall year
Oil & Greasedaily maximum≤ 15 mg/Lall year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]daily maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 4 mg/Lall year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)all year
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 15 mg/Lall year

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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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/LA0100901 · MCP: https://passage-data.com/mcp