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BIG CAJUN I UNITS I and II LLC

Electric Services, major discharger, Jarreau, Louisiana. NPDES permit LA0003042, in force until Oct 31, 2029. 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 A monthly (12 values), outfall 001 form Q quarterly (2 values), outfall 101 form A monthly (6 values), outfall 201 form A monthly (6 values), outfall 301 form A monthly (12 values), outfall 401 form A monthly (12 values), and 6 more forms
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 86 reports late

Limits in force (103)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly average≤ 111 deg Fall year001
Temperature, water deg. fahrenheitinstantaneous maximum≤ 118 deg Fall year001
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Chromium, total [as Cr]monthly average≤ .2 mg/Lall year001
Chromium, total [as Cr]daily maximum≤ .2 mg/Lall year001
Copper, total [as Cu]monthly average≤ 1 mg/Lall year001
Copper, total [as Cu]daily maximum≤ 1 mg/Lall year001
Iron, total [as Fe]monthly average≤ 1 mg/Lall year001
Iron, total [as Fe]daily maximum≤ 1 mg/Lall year001
Zinc, total [as Zn]monthly average≤ 1 mg/Lall year001
Zinc, total [as Zn]daily maximum≤ 1 mg/Lall year001
Whole effluent toxicity - retest #148-hour minimumreport only (pass=0;fail=1)all year001
Whole effluent toxicity - retest #148-hour minimumreport only (pass=0;fail=1)all year001
Whole effluent toxicity - retest #1monthly average minimumreport only (pass=0;fail=1)all year001
Whole effluent toxicity - retest #1monthly average minimumreport only (pass=0;fail=1)all year001
Whole effluent toxicity - retest #248-hour minimumreport only (pass=0;fail=1)all year001
Whole effluent toxicity - retest #248-hour minimumreport only (pass=0;fail=1)all year001
Whole effluent toxicity - retest #2monthly average minimumreport only (pass=0;fail=1)all year001
Whole effluent toxicity - retest #2monthly average minimumreport only (pass=0;fail=1)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, free availablemonthly average≤ .2 mg/Lall year001
Chlorine, free availabledaily maximum≤ .5 mg/Lall year001
Whole Effluent Toxicity - Retest #348-hour minimumreport only (pass=0;fail=1)all year001
Whole Effluent Toxicity - Retest #348-hour minimumreport only (pass=0;fail=1)all year001
Whole Effluent Toxicity - Retest #3monthly average minimumreport only (pass=0;fail=1)all year001
Whole Effluent Toxicity - Retest #3monthly average minimumreport only (pass=0;fail=1)all year001
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex48-hour minimumreport only (pass=0;fail=1)all year001
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulexmonthly average minimumreport only (pass=0;fail=1)all year001
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas48-hour minimumreport only (pass=0;fail=1)all year001
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelasmonthly average minimumreport only (pass=0;fail=1)all year001
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex48-hour minimumreport only (%)all year001
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulexmonthly average minimumreport only (%)all year001
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas48-hour minimumreport only (%)all year001
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelasmonthly average minimumreport only (%)all year001
Coef Of Var Static Renewal 48Hr Acute D. pulexmaximumreport only (%)all year001
Coef Of Var Static Renewal 48Hr Acute Pimephales promelasmaximumreport only (%)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 (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year002
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year002
Solids, total suspendedmonthly average≤ 30 mg/Lall year101
Solids, total suspendeddaily maximum≤ 100 mg/Lall year101
Oil & Greasemonthly average≤ 15 mg/Lall year101
Oil & Greasedaily maximum≤ 20 mg/Lall year101
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year101
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year101
Solids, total suspendedmonthly average≤ 30 mg/Lall year201
Solids, total suspendeddaily maximum≤ 100 mg/Lall year201
Oil & Greasemonthly average≤ 15 mg/Lall year201
Oil & Greasedaily maximum≤ 20 mg/Lall year201
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year201
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year201
pHinstantaneous minimum≥ 6 SUall year301
pHinstantaneous maximum≤ 9 SUall year301
Solids, total suspendedmonthly average≤ 30 mg/Lall year301
Solids, total suspendeddaily maximum≤ 100 mg/Lall year301
Oil & Greasemonthly average≤ 15 mg/Lall year301
Oil & Greasedaily maximum≤ 20 mg/Lall year301
Copper, total [as Cu]monthly average≤ 1 mg/Lall year301
Copper, total [as Cu]daily maximum≤ 1 mg/Lall year301
Iron, total [as Fe]monthly average≤ 1 mg/Lall year301
Iron, total [as Fe]daily maximum≤ 1 mg/Lall year301
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year301
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year301
pHinstantaneous minimum≥ 6 SUall year401
pHinstantaneous maximum≤ 9 SUall year401
Solids, total suspendedmonthly average≤ 30 mg/Lall year401
Solids, total suspendeddaily maximum≤ 100 mg/Lall year401
Oil & Greasemonthly average≤ 15 mg/Lall year401
Oil & Greasedaily maximum≤ 20 mg/Lall year401
Copper, total [as Cu]monthly average≤ 1 mg/Lall year401
Copper, total [as Cu]daily maximum≤ 1 mg/Lall year401
Iron, total [as Fe]monthly average≤ 1 mg/Lall year401
Iron, total [as Fe]daily maximum≤ 1 mg/Lall year401
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year401
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year401
pHinstantaneous minimum≥ 6 SUall year501
pHinstantaneous maximum≤ 9 SUall year501
Solids, total suspendedmonthly average≤ 30 mg/Lall year501
Solids, total suspendeddaily maximum≤ 100 mg/Lall year501
Oil & Greasemonthly average≤ 15 mg/Lall year501
Oil & Greasedaily maximum≤ 20 mg/Lall year501
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year501
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year501
pHinstantaneous minimum≥ 6 SUall year601
pHinstantaneous maximum≤ 9 SUall year601
Solids, total suspendeddaily maximum≤ 90 mg/Lall year601
Solids, total suspendeddaily maximum≤ 90 mg/Lall year601
Oil & Greasedaily maximum≤ 15 mg/Lall year601
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year601
Lead, total [as Pb]daily maximum≤ 50 ug/Lall year601
Benzenedaily maximum≤ 50 ug/Lall year601
BTEXdaily maximum≤ 250 ug/Lall year601
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year601
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year601

How strict are these limits?

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

Same industry: the 29 Electric 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/LA0003042 · MCP: https://passage-data.com/mcp