City of Hammond- South Slough Wetland Wastewater Assimilation Project

NPDES permit LA0032328 · Major POTW · effective, expires 2028-08-14 · 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

6values over a limit
0required values missing, on 0 form(s)
5of 40 forms filed late

Last period with anything received: 2026-07-31. Most often over: Coliform, fecal general (5), BOD, 5-day, 20 deg. C (1).

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (68)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 2002 lb/d all year
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 2002 lb/d 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
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
001Arsenic, total [as As]MO AVG report only all year
001Arsenic, total [as As]WKLY AVG report only all year
001Arsenic, total [as As]MO AVG report only all year
001Cadmium, total [as Cd]MO AVG report only all year
001Cadmium, total [as Cd]WKLY AVG report only all year
001Cadmium, total [as Cd]MO AVG report only all year
001Chromium, total [as Cr]MO AVG report only all year
001Chromium, total [as Cr]WKLY AVG report only all year
001Chromium, total [as Cr]MO AVG report only all year
001Copper, total [as Cu]MO AVG report only all year
001Copper, total [as Cu]WKLY AVG report only all year
001Copper, total [as Cu]MO AVG <= 1.55 lb/d all year
001Copper, total [as Cu]WKLY AVG <= 3.67 lb/d all year
001Lead, total [as Pb]MO AVG report only all year
001Lead, total [as Pb]WKLY AVG report only all year
001Lead, total [as Pb]MO AVG report only all year
001Nickel, total [as Ni]MO AVG report only all year
001Nickel, total [as Ni]WKLY AVG report only all year
001Nickel, total [as Ni]MO AVG report only all year
001Silver, total [as Ag]MO AVG report only all year
001Silver, total [as Ag]WKLY AVG report only all year
001Silver, total [as Ag]MO AVG report only all year
001Zinc, total [as Zn]MO AVG report only all year
001Zinc, total [as Zn]WKLY AVG report only all year
001Zinc, total [as Zn]MO AVG report only all year
001Selenium, total [as Se]MO AVG report only all year
001Selenium, total [as Se]WKLY AVG report only all year
001Selenium, total [as Se]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 residualDAILY MX < .033 mg/L all year
001Whole Effluent Toxicity [WET] - D. pulex48HR MIN >= 100 % all year
001Whole Effluent Toxicity [WET] - D. pulexMO AV MN >= 100 % all year
001Whole Effluent Toxicity [WET] - P. promelas48HR MIN >= 100 % all year
001Whole Effluent Toxicity [WET] - P. promelasMO AV MN >= 100 % all year
001Wetlands MonitoringMINIMUM >= 1 N=0;Y=1 all year
001Mercury, total [as Hg]MO AVG report only all year
001Mercury, total [as Hg]WKLY AVG report only all year
001Mercury, total [as Hg]MO AVG <= .002 lb/d all year
001Mercury, total [as Hg]WKLY AVG <= .004 lb/d all year
001Coliform, fecal generalMOAV GEO <= 200 #/100mL all year
001Coliform, fecal generalWE <= 400 #/100mL all year
001Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex48HR MIN report only all year
001Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulexMO AV MN report only all year
001LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas48HR MIN report only all year
001LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelasMO AV MN report only all year
001NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex48HR MIN report only all year
001NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulexMO AV MN report only all year
001NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas48HR MIN report only all year
001NOAEC Lethal Static Renewal 48Hr acute Pimephales promelasMO AV MN report only all year
001Coef Of Var Static Renewal 48Hr Acute D. pulex48HR MIN report only all year
001Coef Of Var Static Renewal 48Hr Acute D. pulexMO AV MN report only all year
001Coef Of Var Static Renewal 48Hr Acute Pimephales promelas48HR MIN report only all year
001Coef Of Var Static Renewal 48Hr Acute Pimephales promelasMO AV MN report only 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