Entergy Louisiana LLC - Washington Parish Energy Center — NPDES permit LA0127394: limits, due date and EPA's record

Electric Services, Bogalusa, Louisiana. NPDES permit LA0127394, in force until Jul 31, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Limits in force (83)

Parameter	Statistic	Limit	Months	Outfall
pH	instantaneous minimum	≥ 6 SU	all year	001
pH	instantaneous maximum	≤ 9 SU	all year	001
Oil & Grease	daily maximum	≤ 15 mg/L	all year	001
Carbon, tot organic [TOC]	daily maximum	≤ 50 mg/L	all year	001
Copper, total [as Cu]	monthly average	≤ .0015 mg/L	all year	001
Copper, total [as Cu]	daily maximum	≤ .0036 mg/L	all year	001
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	001
pH	instantaneous minimum	≥ 6 SU	all year	002
pH	instantaneous maximum	≤ 8.5 SU	all year	002
Oil & Grease	daily maximum	≤ 15 mg/L	all year	002
Carbon, tot organic [TOC]	daily maximum	≤ 50 mg/L	all year	002
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	002
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	002
pH	instantaneous minimum	≥ 6 SU	all year	003
pH	instantaneous maximum	≤ 8.5 SU	all year	003
Oil & Grease	daily maximum	≤ 15 mg/L	all year	003
Carbon, tot organic [TOC]	daily maximum	≤ 50 mg/L	all year	003
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	003
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	003
Solids, total suspended	monthly average	≤ 30 mg/L	all year	101
Solids, total suspended	monthly average	≤ 30 mg/L	all year	101
Solids, total suspended	daily maximum	≤ 100 mg/L	all year	101
Solids, total suspended	daily maximum	≤ 100 mg/L	all year	101
Oil & Grease	monthly average	≤ 15 mg/L	all year	101
Oil & Grease	monthly average	≤ 15 mg/L	all year	101
Oil & Grease	daily maximum	≤ 20 mg/L	all year	101
Oil & Grease	daily maximum	≤ 20 mg/L	all year	101
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	101
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	101
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	101
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	101
Solids, total suspended	monthly average	≤ 30 mg/L	all year	201
Solids, total suspended	monthly average	≤ 30 mg/L	all year	201
Solids, total suspended	daily maximum	≤ 100 mg/L	all year	201
Solids, total suspended	daily maximum	≤ 100 mg/L	all year	201
Oil & Grease	monthly average	≤ 15 mg/L	all year	201
Oil & Grease	monthly average	≤ 15 mg/L	all year	201
Oil & Grease	daily maximum	≤ 20 mg/L	all year	201
Oil & Grease	daily maximum	≤ 20 mg/L	all year	201
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	201
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	201
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	201
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	201
pH	instantaneous minimum	≥ 6 SU	all year	301
pH	instantaneous maximum	≤ 9 SU	all year	301
Solids, total suspended	daily maximum	≤ 90 mg/L	all year	301
Solids, total suspended	daily maximum	≤ 90 mg/L	all year	301
Oil & Grease	daily maximum	≤ 15 mg/L	all year	301
Carbon, tot organic [TOC]	daily maximum	≤ 50 mg/L	all year	301
Lead, total [as Pb]	daily maximum	≤ 50 ug/L	all year	301
Benzene	daily maximum	≤ 50 ug/L	all year	301
BTEX	daily maximum	≤ 250 ug/L	all year	301
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	301
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	301
Solids, total suspended	monthly average	≤ 30 mg/L	all year	401
Solids, total suspended	monthly average	≤ 30 mg/L	all year	401
Solids, total suspended	daily maximum	≤ 100 mg/L	all year	401
Solids, total suspended	daily maximum	≤ 100 mg/L	all year	401
Oil & Grease	monthly average	≤ 15 mg/L	all year	401
Oil & Grease	monthly average	≤ 15 mg/L	all year	401
Oil & Grease	daily maximum	≤ 20 mg/L	all year	401
Oil & Grease	daily maximum	≤ 20 mg/L	all year	401
Copper, total [as Cu]	monthly average	≤ 1 mg/L	all year	401
Copper, total [as Cu]	monthly average	≤ 1 mg/L	all year	401
Copper, total [as Cu]	daily maximum	≤ 1 mg/L	all year	401
Copper, total [as Cu]	daily maximum	≤ 1 mg/L	all year	401
Iron, total [as Fe]	monthly average	≤ 1 mg/L	all year	401
Iron, total [as Fe]	monthly average	≤ 1 mg/L	all year	401
Iron, total [as Fe]	daily maximum	≤ 1 mg/L	all year	401
Iron, total [as Fe]	daily maximum	≤ 1 mg/L	all year	401
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	401
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	401
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	401
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	401
BOD, 5-day, 20 deg. C	monthly average	≤ 30 mg/L	all year	501
BOD, 5-day, 20 deg. C	daily maximum	≤ 45 mg/L	all year	501
Solids, total suspended	monthly average	≤ 30 mg/L	all year	501
Solids, total suspended	daily maximum	≤ 45 mg/L	all year	501
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	501
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	501
Coliform, fecal general	monthly geometric mean	≤ 200 #/100mL	all year	501
Coliform, fecal general	daily maximum	≤ 400 #/100mL	all year	501

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/LA0127394 · MCP: https://passage-data.com/mcp