Entergy Louisiana LLC - Washington Parish Energy Center

NPDES permit LA0127394 · Minor NON-POTW · effective, expires 2031-07-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 37 forms filed late

Last period with anything received: 2026-08-31.

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among LA permits in EPA's filings — check your permit).

Limits in force (83)

OutfallParameterStatisticLimitMonths
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
001Copper, total [as Cu]MO AVG <= .0015 mg/L all year
001Copper, total [as Cu]DAILY MX <= .0036 mg/L all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
002pHINST MIN >= 6 SU all year
002pHINST MAX <= 8.5 SU all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
003pHINST MIN >= 6 SU all year
003pHINST MAX <= 8.5 SU all year
003Oil & GreaseDAILY MX <= 15 mg/L all year
003Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
101Solids, total suspendedMO AVG <= 30 mg/L all year
101Solids, total suspendedMO AVG <= 30 mg/L all year
101Solids, total suspendedDAILY MX <= 100 mg/L all year
101Solids, total suspendedDAILY MX <= 100 mg/L all year
101Oil & GreaseMO AVG <= 15 mg/L all year
101Oil & GreaseMO AVG <= 15 mg/L all year
101Oil & GreaseDAILY MX <= 20 mg/L all year
101Oil & GreaseDAILY MX <= 20 mg/L all year
101Flow, in conduit or thru treatment plantMO AVG report only all year
101Flow, in conduit or thru treatment plantMO AVG report only all year
101Flow, in conduit or thru treatment plantDAILY MX report only all year
101Flow, in conduit or thru treatment plantDAILY MX report only all year
201Solids, total suspendedMO AVG <= 30 mg/L all year
201Solids, total suspendedMO AVG <= 30 mg/L all year
201Solids, total suspendedDAILY MX <= 100 mg/L all year
201Solids, total suspendedDAILY MX <= 100 mg/L all year
201Oil & GreaseMO AVG <= 15 mg/L all year
201Oil & GreaseMO AVG <= 15 mg/L all year
201Oil & GreaseDAILY MX <= 20 mg/L all year
201Oil & GreaseDAILY MX <= 20 mg/L all year
201Flow, in conduit or thru treatment plantMO AVG report only all year
201Flow, in conduit or thru treatment plantMO AVG report only all year
201Flow, in conduit or thru treatment plantDAILY MX report only all year
201Flow, in conduit or thru treatment plantDAILY MX report only all year
301pHINST MIN >= 6 SU all year
301pHINST MAX <= 9 SU all year
301Solids, total suspendedDAILY MX <= 90 mg/L all year
301Solids, total suspendedDAILY MX <= 90 mg/L all year
301Oil & GreaseDAILY MX <= 15 mg/L all year
301Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
301Lead, total [as Pb]DAILY MX <= 50 ug/L all year
301BenzeneDAILY MX <= 50 ug/L all year
301BTEXDAILY MX <= 250 ug/L all year
301Flow, in conduit or thru treatment plantMO AVG report only all year
301Flow, in conduit or thru treatment plantDAILY MX report only all year
401Solids, total suspendedMO AVG <= 30 mg/L all year
401Solids, total suspendedMO AVG <= 30 mg/L all year
401Solids, total suspendedDAILY MX <= 100 mg/L all year
401Solids, total suspendedDAILY MX <= 100 mg/L all year
401Oil & GreaseMO AVG <= 15 mg/L all year
401Oil & GreaseMO AVG <= 15 mg/L all year
401Oil & GreaseDAILY MX <= 20 mg/L all year
401Oil & GreaseDAILY MX <= 20 mg/L all year
401Copper, total [as Cu]MO AVG <= 1 mg/L all year
401Copper, total [as Cu]MO AVG <= 1 mg/L all year
401Copper, total [as Cu]DAILY MX <= 1 mg/L all year
401Copper, total [as Cu]DAILY MX <= 1 mg/L all year
401Iron, total [as Fe]MO AVG <= 1 mg/L all year
401Iron, total [as Fe]MO AVG <= 1 mg/L all year
401Iron, total [as Fe]DAILY MX <= 1 mg/L all year
401Iron, total [as Fe]DAILY MX <= 1 mg/L all year
401Flow, in conduit or thru treatment plantMO AVG report only all year
401Flow, in conduit or thru treatment plantMO AVG report only all year
401Flow, in conduit or thru treatment plantDAILY MX report only all year
401Flow, in conduit or thru treatment plantDAILY MX report only all year
501BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
501BOD, 5-day, 20 deg. CDAILY MX <= 45 mg/L all year
501Solids, total suspendedMO AVG <= 30 mg/L all year
501Solids, total suspendedDAILY MX <= 45 mg/L all year
501Flow, in conduit or thru treatment plantMO AVG report only all year
501Flow, in conduit or thru treatment plantDAILY MX report only all year
501Coliform, fecal generalMOAV GEO <= 200 #/100mL all year
501Coliform, fecal generalDAILY MX <= 400 #/100mL all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states