Sunset Town of - WWTP

NPDES permit LA0038628 · Minor POTW · effective, expires 2030-12-31 · 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

80values over a limit
0required values missing, on 0 form(s)
0of 14 forms filed late

Last period with anything received: 2026-06-30. Most often over: Solids, total suspended (26), BOD, carbonaceous [5 day, 20 C] (19), Coliform, fecal general (18).

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (38)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MO AV MN >= 5 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CWKLY AVG report only all year
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedMO AVG <= 15 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Solids, total suspendedMO AVG <= 20 mg/L Jan, Feb, Mar, Apr
001Solids, total suspendedWKLY AVG <= 23 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Solids, total suspendedWKLY AVG <= 30 mg/L Jan, Feb, Mar, Apr
001Solids, total suspendedMO AVG <= 45 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Solids, total suspendedMO AVG <= 60 lb/d Jan, Feb, Mar, Apr
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedWKLY AVG report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]WKLY AVG report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 10 mg/L Jan, Feb, Mar, Apr
001Nitrogen, ammonia total [as N]MO AVG <= 5 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Nitrogen, ammonia total [as N]WKLY AVG <= 20 mg/L Jan, Feb, Mar, Apr
001Nitrogen, ammonia total [as N]WKLY AVG <= 10 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 30 lb/d Jan, Feb, Mar, Apr
001Nitrogen, ammonia total [as N]MO AVG <= 15 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]WKLY AVG report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantWKLY AVG report only all year
001Chlorine, total residualINST MAX report only all year
001BOD, percent removal [total]MINIMUM >= 85 % all year
001Coliform, fecal generalMOAV GEO <= 200 #/100mL all year
001Coliform, fecal generalWE <= 400 #/100mL all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 20 mg/L Jan, Feb, Mar, Apr
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 30 mg/L Jan, Feb, Mar, Apr
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 15 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 60 lb/d Jan, Feb, Mar, Apr
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 30 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001Solids, suspended percent removalMINIMUM >= 85 % 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