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Jefferson Parish - MS4

Executive Offices, major discharger, Jefferson, Louisiana. NPDES permit LAS000201, in force until Jul 31, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form S twice a year, outfall 002 form S twice a year, outfall 003 form S twice a year, outfall 004 form S twice a year, outfall 005 form S twice a year
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 10 reports late

Limits in force (203)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigrademinimumreport only (deg C)all year001
Temperature, water deg. centigrademonthly averagereport only (deg C)all year001
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year001
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year001
Oxygen demand, chem. [high level] [COD]monthly averagereport only (mg/L)all year001
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year001
pHinstantaneous minimumreport only (SU)all year001
pHinstantaneous maximumreport only (SU)all year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, total suspendeddaily maximumreport only (mg/L)all year001
Oil & Greasemonthly averagereport only (mg/L)all year001
Oil & Greasedaily maximumreport only (mg/L)all year001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, dissolvedmonthly averagereport only (mg/L)all year001
Phosphorus, dissolveddaily maximumreport only (mg/L)all year001
Hardness, total [as CaCO3]minimumreport only (mg/L)all year001
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year001
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year001
Cadmium, total [as Cd]monthly averagereport only (ug/L)all year001
Cadmium, total [as Cd]daily maximumreport only (ug/L)all year001
Copper, total [as Cu]monthly averagereport only (ug/L)all year001
Copper, total [as Cu]daily maximumreport only (ug/L)all year001
Lead, total [as Pb]monthly averagereport only (ug/L)all year001
Lead, total [as Pb]daily maximumreport only (ug/L)all year001
Nickel, total [as Ni]monthly averagereport only (ug/L)all year001
Nickel, total [as Ni]daily maximumreport only (ug/L)all year001
Zinc, total [as Zn]monthly averagereport only (ug/L)all year001
Zinc, total [as Zn]daily maximumreport only (ug/L)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year001
Enterococcimonthly averagereport only (#/100mL)all year001
Enterococcidaily maximumreport only (#/100mL)all year001
Solids, total dissolved [TDS]monthly averagereport only (mg/L)all year001
Solids, total dissolved [TDS]daily maximumreport only (mg/L)all year001
Coliform, fecal generalmonthly averagereport only (#/100mL)all year001
Coliform, fecal generaldaily maximumreport only (#/100mL)all year001
Temperature, water deg. centigrademinimumreport only (deg C)all year002
Temperature, water deg. centigrademonthly averagereport only (deg C)all year002
Temperature, water deg. centigradedaily maximumreport only (deg C)all year002
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year002
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year002
Oxygen demand, chem. [high level] [COD]monthly averagereport only (mg/L)all year002
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year002
pHinstantaneous minimumreport only (SU)all year002
pHinstantaneous maximumreport only (SU)all year002
Solids, total suspendedmonthly averagereport only (mg/L)all year002
Solids, total suspendeddaily maximumreport only (mg/L)all year002
Oil & Greasemonthly averagereport only (mg/L)all year002
Oil & Greasedaily maximumreport only (mg/L)all year002
Nitrogen, total [as N]monthly averagereport only (mg/L)all year002
Nitrogen, total [as N]daily maximumreport only (mg/L)all year002
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year002
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year002
Phosphorus, total [as P]monthly averagereport only (mg/L)all year002
Phosphorus, total [as P]daily maximumreport only (mg/L)all year002
Phosphorus, dissolvedmonthly averagereport only (mg/L)all year002
Phosphorus, dissolveddaily maximumreport only (mg/L)all year002
Hardness, total [as CaCO3]minimumreport only (mg/L)all year002
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year002
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year002
Cadmium, total [as Cd]monthly averagereport only (ug/L)all year002
Cadmium, total [as Cd]daily maximumreport only (ug/L)all year002
Copper, total [as Cu]monthly averagereport only (ug/L)all year002
Copper, total [as Cu]daily maximumreport only (ug/L)all year002
Lead, total [as Pb]monthly averagereport only (ug/L)all year002
Lead, total [as Pb]daily maximumreport only (ug/L)all year002
Nickel, total [as Ni]monthly averagereport only (ug/L)all year002
Nickel, total [as Ni]daily maximumreport only (ug/L)all year002
Zinc, total [as Zn]monthly averagereport only (ug/L)all year002
Zinc, total [as Zn]daily maximumreport only (ug/L)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year002
Solids, total dissolved [TDS]monthly averagereport only (mg/L)all year002
Solids, total dissolved [TDS]daily maximumreport only (mg/L)all year002
Coliform, fecal generalmonthly averagereport only (#/100mL)all year002
Coliform, fecal generaldaily maximumreport only (#/100mL)all year002
Temperature, water deg. centigrademinimumreport only (deg C)all year003
Temperature, water deg. centigrademonthly averagereport only (deg C)all year003
Temperature, water deg. centigradedaily maximumreport only (deg C)all year003
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year003
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year003
Oxygen demand, chem. [high level] [COD]monthly averagereport only (mg/L)all year003
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year003
pHinstantaneous minimumreport only (SU)all year003
pHinstantaneous maximumreport only (SU)all year003
Solids, total suspendedmonthly averagereport only (mg/L)all year003
Solids, total suspendeddaily maximumreport only (mg/L)all year003
Oil & Greasemonthly averagereport only (mg/L)all year003
Oil & Greasedaily maximumreport only (mg/L)all year003
Nitrogen, total [as N]monthly averagereport only (mg/L)all year003
Nitrogen, total [as N]daily maximumreport only (mg/L)all year003
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year003
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year003
Phosphorus, total [as P]monthly averagereport only (mg/L)all year003
Phosphorus, total [as P]daily maximumreport only (mg/L)all year003
Phosphorus, dissolvedmonthly averagereport only (mg/L)all year003
Phosphorus, dissolveddaily maximumreport only (mg/L)all year003
Hardness, total [as CaCO3]minimumreport only (mg/L)all year003
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year003
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year003
Cadmium, total [as Cd]monthly averagereport only (ug/L)all year003
Cadmium, total [as Cd]daily maximumreport only (ug/L)all year003
Copper, total [as Cu]monthly averagereport only (ug/L)all year003
Copper, total [as Cu]daily maximumreport only (ug/L)all year003
Lead, total [as Pb]monthly averagereport only (ug/L)all year003
Lead, total [as Pb]daily maximumreport only (ug/L)all year003
Nickel, total [as Ni]monthly averagereport only (ug/L)all year003
Nickel, total [as Ni]daily maximumreport only (ug/L)all year003
Zinc, total [as Zn]monthly averagereport only (ug/L)all year003
Zinc, total [as Zn]daily maximumreport only (ug/L)all year003
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year003
Enterococcimonthly averagereport only (#/100mL)all year003
Enterococcidaily maximumreport only (#/100mL)all year003
Solids, total dissolved [TDS]monthly averagereport only (mg/L)all year003
Solids, total dissolved [TDS]daily maximumreport only (mg/L)all year003
Coliform, fecal generalmonthly averagereport only (#/100mL)all year003
Coliform, fecal generaldaily maximumreport only (#/100mL)all year003
Temperature, water deg. centigrademinimumreport only (deg C)all year004
Temperature, water deg. centigrademonthly averagereport only (deg C)all year004
Temperature, water deg. centigradedaily maximumreport only (deg C)all year004
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year004
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year004
Oxygen demand, chem. [high level] [COD]monthly averagereport only (mg/L)all year004
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year004
pHinstantaneous minimumreport only (SU)all year004
pHinstantaneous maximumreport only (SU)all year004
Solids, total suspendedmonthly averagereport only (mg/L)all year004
Solids, total suspendeddaily maximumreport only (mg/L)all year004
Oil & Greasemonthly averagereport only (mg/L)all year004
Oil & Greasedaily maximumreport only (mg/L)all year004
Nitrogen, total [as N]monthly averagereport only (mg/L)all year004
Nitrogen, total [as N]daily maximumreport only (mg/L)all year004
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year004
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year004
Phosphorus, total [as P]monthly averagereport only (mg/L)all year004
Phosphorus, total [as P]daily maximumreport only (mg/L)all year004
Phosphorus, dissolvedmonthly averagereport only (mg/L)all year004
Phosphorus, dissolveddaily maximumreport only (mg/L)all year004
Hardness, total [as CaCO3]minimumreport only (mg/L)all year004
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year004
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year004
Cadmium, total [as Cd]monthly averagereport only (ug/L)all year004
Cadmium, total [as Cd]daily maximumreport only (ug/L)all year004
Copper, total [as Cu]monthly averagereport only (ug/L)all year004
Copper, total [as Cu]daily maximumreport only (ug/L)all year004
Lead, total [as Pb]monthly averagereport only (ug/L)all year004
Lead, total [as Pb]daily maximumreport only (ug/L)all year004
Nickel, total [as Ni]monthly averagereport only (ug/L)all year004
Nickel, total [as Ni]daily maximumreport only (ug/L)all year004
Zinc, total [as Zn]monthly averagereport only (ug/L)all year004
Zinc, total [as Zn]daily maximumreport only (ug/L)all year004
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year004
Enterococcimonthly averagereport only (#/100mL)all year004
Enterococcidaily maximumreport only (#/100mL)all year004
Solids, total dissolved [TDS]monthly averagereport only (mg/L)all year004
Solids, total dissolved [TDS]daily maximumreport only (mg/L)all year004
Coliform, fecal generalmonthly averagereport only (#/100mL)all year004
Coliform, fecal generaldaily maximumreport only (#/100mL)all year004
Temperature, water deg. centigrademinimumreport only (deg C)all year005
Temperature, water deg. centigrademonthly averagereport only (deg C)all year005
Temperature, water deg. centigradedaily maximumreport only (deg C)all year005
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year005
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year005
Oxygen demand, chem. [high level] [COD]monthly averagereport only (mg/L)all year005
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year005
pHinstantaneous minimumreport only (SU)all year005
pHinstantaneous maximumreport only (SU)all year005
Solids, total suspendedmonthly averagereport only (mg/L)all year005
Solids, total suspendeddaily maximumreport only (mg/L)all year005
Oil & Greasemonthly averagereport only (mg/L)all year005
Oil & Greasedaily maximumreport 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, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year005
Nitrogen, Kjeldahl, 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]daily maximumreport only (mg/L)all year005
Phosphorus, dissolvedmonthly averagereport only (mg/L)all year005
Phosphorus, dissolveddaily maximumreport only (mg/L)all year005
Hardness, total [as CaCO3]minimumreport only (mg/L)all year005
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year005
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year005
Cadmium, total [as Cd]monthly averagereport only (ug/L)all year005
Cadmium, total [as Cd]daily maximumreport only (ug/L)all year005
Copper, total [as Cu]monthly averagereport only (ug/L)all year005
Copper, total [as Cu]daily maximumreport only (ug/L)all year005
Lead, total [as Pb]monthly averagereport only (ug/L)all year005
Lead, total [as Pb]daily maximumreport only (ug/L)all year005
Nickel, total [as Ni]monthly averagereport only (ug/L)all year005
Nickel, total [as Ni]daily maximumreport only (ug/L)all year005
Zinc, total [as Zn]monthly averagereport only (ug/L)all year005
Zinc, total [as Zn]daily maximumreport only (ug/L)all year005
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year005
Enterococcimonthly averagereport only (#/100mL)all year005
Enterococcidaily maximumreport only (#/100mL)all year005
Solids, total dissolved [TDS]monthly averagereport only (mg/L)all year005
Solids, total dissolved [TDS]daily maximumreport only (mg/L)all year005
Coliform, fecal generalmonthly averagereport only (#/100mL)all year005
Coliform, fecal generaldaily maximumreport only (#/100mL)all year005

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

Same industry: the 3 Executive, Legislative and General Government 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/LAS000201 · MCP: https://passage-data.com/mcp