WASHINGTON PARISH GOVERNMENT

NPDES permit LA0068101 · Minor POTW · effective, expires 2029-09-30 · 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 63 forms filed late

Last period with anything received: 2026-06-30.

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 (51)

OutfallParameterStatisticLimitMonths
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedMAXIMUM <= 100 mg/L (alert) all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Carbon, tot organic [TOC]DAILY MX <= 50 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
002BOD, 5-day, 20 deg. CMO AVG <= 20 mg/L all year
002BOD, 5-day, 20 deg. CDAILY MX <= 30 mg/L all year
002pHINST MIN >= 6 SU all year
002pHINST MAX <= 9 SU all year
002Solids, total suspendedMO AVG <= 35 mg/L all year
002Solids, total suspendedDAILY MX <= 50 mg/L all year
002Nitrogen, total [as N]MO AVG report only all year
002Nitrogen, total [as N]DAILY MX report only all year
002Phosphorus, total [as P]MO AVG report only all year
002Phosphorus, total [as P]DAILY MX report only all year
002Zinc, total [as Zn]MO AVG <= .11 mg/L all year
002Zinc, total [as Zn]DAILY MX <= .2 mg/L all year
002PhenolMO AVG <= .015 mg/L all year
002PhenolDAILY MX <= .026 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
002Chlorine, total residualINST MAX report only all year
002.alpha.-TerpineolMO AVG <= .016 mg/L all year
002.alpha.-TerpineolDAILY MX <= .033 mg/L all year
002Priority pollutants scan [yes/no]MINIMUM >= 1 N=0;Y=1 all year
002Solids, total dissolvedMO AVG report only all year
002Solids, total dissolvedDAILY MX report only all year
002Coliform, fecal generalMOAV GEO <= 200 #/100mL all year
002Coliform, fecal generalDAILY MX <= 400 #/100mL all year
002p-CresolMO AVG <= .014 mg/L all year
002p-CresolDAILY MX <= .025 mg/L all year
002Benzoic acids, totalMO AVG <= .071 mg/L all year
002Benzoic acids, totalDAILY MX <= .12 mg/L all year
003pHINST MIN >= 6 SU all year
003pHINST MAX <= 9 SU all year
003Solids, total suspendedDAILY MX <= 100 mg/L (alert) 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
004pHINST MIN >= 6 SU all year
004pHINST MAX <= 9 SU all year
004Solids, total suspendedDAILY MX <= 100 mg/L (alert) all year
004Oil & GreaseDAILY MX <= 15 mg/L all year
004Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
02ANitrogen, ammonia total [as N]MO AVG <= 4.9 mg/L all year
02ANitrogen, ammonia total [as N]DAILY MX <= 10 mg/L 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