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Plaquemines Processing & Recovery LLC

Sanitary Services, Belle Chasse, Louisiana. NPDES permit LA0123234, in force until Nov 30, 2028. Last 12 months: over a limit once (last January 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A quarterly (58 values), form Q quarterly (22 values), form Y yearly
Last report on file
June 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 17 reports late

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

Period endingParameterReportedLimitOver by
January 2026Copper, total [as Cu], monthly average.25 mg/L≤ .242 mg/L3%

Limits in force (81)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 50 lb/dall year
BOD, 5-day, 20 deg. Cmonthly average≤ 50 lb/dall year
Oxygen demand, chem. [high level] [COD]monthly average≤ 200 mg/Lall year
Oxygen demand, chem. [high level] [COD]monthly average≤ 200 mg/Lall year
Oxygen demand, chem. [high level] [COD]daily maximum≤ 300 mg/Lall year
Oxygen demand, chem. [high level] [COD]daily maximum≤ 300 mg/Lall year
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 45 mg/Lall year
Solids, total suspendeddaily maximum≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 50 lb/dall year
Solids, total suspendedmonthly average≤ 50 lb/dall year
Oil & Greasedaily maximum≤ 15 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, total [as N]monthly averagereport only (lb/d)all year
Phosphorus, total [as P]monthly averagereport only (mL/L)all year
Phosphorus, total [as P]daily maximumreport only (mL/L)all year
Phosphorus, total [as P]monthly averagereport only (lb/d)all year
Arsenic, total [as As]monthly average≤ 1.33 mg/Lall year
Arsenic, total [as As]monthly average≤ 1.33 mg/Lall year
Arsenic, total [as As]daily maximum≤ 2.95 mg/Lall year
Arsenic, total [as As]daily maximum≤ 2.95 mg/Lall year
Cadmium, total [as Cd]monthly average≤ .0102 mg/Lall year
Cadmium, total [as Cd]daily maximum≤ .0172 mg/Lall year
Chromium, total [as Cr]monthly average≤ .323 mg/Lall year
Chromium, total [as Cr]monthly average≤ .323 mg/Lall year
Chromium, total [as Cr]daily maximum≤ .746 mg/Lall year
Chromium, total [as Cr]daily maximum≤ .746 mg/Lall year
Cobalt, total [as Co]monthly average≤ 18.8 mg/Lall year
Cobalt, total [as Co]daily maximum≤ 56.4 mg/Lall year
Copper, total [as Cu]monthly average≤ .242 mg/Lall year
Copper, total [as Cu]monthly average≤ .242 mg/Lall year
Copper, total [as Cu]daily maximum≤ .5 mg/Lall year
Copper, total [as Cu]daily maximum≤ .5 mg/Lall year
Lead, total [as Pb]monthly average≤ .16 mg/Lall year
Lead, total [as Pb]monthly average≤ .16 mg/Lall year
Lead, total [as Pb]daily maximum≤ .35 mg/Lall year
Lead, total [as Pb]daily maximum≤ .35 mg/Lall year
Zinc, total [as Zn]monthly average≤ 4.5 mg/Lall year
Zinc, total [as Zn]monthly average≤ 4.5 mg/Lall year
Zinc, total [as Zn]daily maximum≤ 8.26 mg/Lall year
Zinc, total [as Zn]daily maximum≤ 8.26 mg/Lall year
Tin, total [as Sn]monthly average≤ .165 mg/Lall year
Tin, total [as Sn]monthly average≤ .165 mg/Lall year
Tin, total [as Sn]daily maximum≤ .335 mg/Lall year
Tin, total [as Sn]daily maximum≤ .335 mg/Lall year
Butyl benzyl phthalatemonthly average≤ .0887 mg/Lall year
Butyl benzyl phthalatedaily maximum≤ .188 mg/Lall year
Fluoranthenemonthly average≤ .0268 mg/Lall year
Fluoranthenedaily maximum≤ .0537 mg/Lall year
Di[2-ethylhexyl] phthalate [DEHP]monthly average≤ .101 mg/Lall year
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ .215 mg/Lall year
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)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
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)all year
Priority pollutants scan [yes/no]minimum≥ 1 N=0;Y=1all year
Mercury, total [as Hg]monthly average≤ .00647 mg/Lall year
Mercury, total [as Hg]monthly average≤ .00647 mg/Lall year
Mercury, total [as Hg]daily maximum≤ .0172 mg/Lall year
Mercury, total [as Hg]daily maximum≤ .0172 mg/Lall year
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year
n-Decanemonthly average≤ .437 mg/Lall year
n-Decanedaily maximum≤ .948 mg/Lall year
Carbazolemonthly average≤ .276 mg/Lall year
Carbazoledaily maximum≤ .598 mg/Lall year
n-Octadecanemonthly average≤ .302 mg/Lall year
n-Octadecanedaily maximum≤ .589 mg/Lall year

How strict are these limits?

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

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