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CLECO Power, LLC- Dolet Hills Power Station

Electric Services, Naborton, Louisiana. NPDES permit LA0062600 expired Feb 28, 2025; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (6 values), outfall 001 form DA quarterly (11 values), outfall 001 form PI quarterly (11 values), outfall 002 form A monthly (6 values), outfall 003 form A monthly (6 values), outfall 004 form A monthly (5 values), and 16 more forms
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 1 of 187 reports late

Limits in force (128)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year001
Temperature, water deg. fahrenheitdaily maximum≤ 115 deg Fall year001
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Phosphorus, total [as P]monthly average≤ 5 mg/Lall year001
Phosphorus, total [as P]daily maximum≤ 5 mg/Lall year001
Chromium, total [as Cr]monthly average≤ .2 mg/Lall year001
Chromium, total [as Cr]daily maximum≤ .2 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
pHinstantaneous minimum≥ 6 SUall year002
pHinstantaneous maximum≤ 9 SUall year002
Solids, total suspendedmonthly average≤ 30 mg/Lall year002
Solids, total suspendeddaily maximum≤ 100 mg/Lall year002
Oil & Greasemonthly average≤ 15 mg/Lall year002
Oil & Greasedaily maximum≤ 20 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
Oxygen demand, chem. [high level] [COD]daily maximum≤ 125 mg/Lall year003
pHinstantaneous minimum≥ 6 SUall year003
pHinstantaneous maximum≤ 9 SUall year003
Solids, total suspendeddaily maximum≤ 50 mg/Lall year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
pHinstantaneous minimum≥ 6 SUall year004
pHinstantaneous maximum≤ 9 SUall year004
Solids, total suspendeddaily maximum≤ 50 mg/Lall year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Solids, total suspendedmonthly average≤ 30 mg/Lall year005
Solids, total suspendeddaily maximum≤ 100 mg/Lall year005
Oil & Greasemonthly average≤ 15 mg/Lall year005
Oil & Greasedaily maximum≤ 20 mg/Lall year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year006
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year006
pHinstantaneous minimum≥ 6 SUall year006
pHinstantaneous maximum≤ 9 SUall year006
Solids, total suspendedmonthly average≤ 30 mg/Lall year006
Solids, total suspendeddaily maximum≤ 45 mg/Lall year006
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year006
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year006
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year006
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year006
pHinstantaneous minimum≥ 6 SUall year007
pHinstantaneous maximum≤ 9 SUall year007
Solids, total suspendedmonthly average≤ 30 mg/Lall year007
Solids, total suspendeddaily maximum≤ 100 mg/Lall year007
Copper, total [as Cu]monthly average≤ 1 mg/Lall year007
Copper, total [as Cu]daily maximum≤ 1 mg/Lall year007
Iron, total [as Fe]monthly average≤ 1 mg/Lall year007
Iron, total [as Fe]daily maximum≤ 1 mg/Lall year007
Oil and greasemonthly average≤ 15 mg/Lall year007
Oil and greasedaily maximum≤ 20 mg/Lall year007
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year007
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year007
pHinstantaneous minimum≥ 6 SUall year008
pHinstantaneous maximum≤ 9 SUall year008
Solids, total suspendedmonthly average≤ 30 mg/Lall year008
Solids, total suspendeddaily maximum≤ 100 mg/Lall year008
Oil & Greasemonthly average≤ 15 mg/Lall year008
Oil & Greasedaily maximum≤ 20 mg/Lall year008
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year008
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year008
pHinstantaneous minimum≥ 6 SUall year009
pHinstantaneous maximum≤ 9 SUall year009
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year009
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year009
pHinstantaneous minimum≥ 6 SUall year010
pHinstantaneous maximum≤ 9 SUall year010
Solids, total suspendedmonthly average≤ 30 mg/Lall year010
Solids, total suspendeddaily maximum≤ 100 mg/Lall year010
Oil & Greasemonthly average≤ 15 mg/Lall year010
Oil & Greasedaily maximum≤ 20 mg/Lall year010
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year010
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year010
Mercury, total [as Hg]monthly averagereport only (ug/L)all year010
Mercury, total [as Hg]monthly averagereport only (ug/L)all year010
Mercury, total [as Hg]daily maximumreport only (ug/L)all year010
Mercury, total [as Hg]daily maximumreport only (ug/L)all year010
pHinstantaneous minimum≥ 6 SUall year011
pHinstantaneous maximum≤ 9 SUall year011
Solids, total suspendedmonthly average≤ 30 mg/Lall year011
Solids, total suspendeddaily maximum≤ 100 mg/Lall year011
Oil & Greasemonthly average≤ 15 mg/Lall year011
Oil & Greasedaily maximum≤ 20 mg/Lall year011
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year011
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year011
pHinstantaneous minimum≥ 6 SUall year012
pHinstantaneous maximum≤ 9 SUall year012
Solids, total suspendeddaily maximum≤ 90 mg/Lall year012
Solids, total suspendeddaily maximum≤ 90 mg/Lall year012
Oil & Greasedaily maximum≤ 15 mg/Lall year012
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year012
Lead, total [as Pb]daily maximum≤ 50 ug/Lall year012
Benzene, ethylbenzene, toluene, xylene combinationdaily maximum≤ 250 ug/Lall year012
Benzenedaily maximum≤ 50 ug/Lall year012
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year012
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year012
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearEQT
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearEQT

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

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