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Abby Plantation Estates Sewerage Corp - Louisiana Sewer Utilites-Waverly Subdivi

Sewerage Systems, Thibodaux, Louisiana. NPDES permit LA0127361, in force until Jun 30, 2031. Last 12 months: over a limit 20 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A quarterly, form Q quarterly, form Y yearly
Last report on file
June 2026
Oct 2024 – Sep 2025
27 values over a limit, 0 required values missing, 0 of 16 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

All 20 values over a limit
Period endingParameterReportedLimitOver by
October 2025Chlorine, total residual, daily maximum.08 mg/L≤ .02 mg/L300%
October 2025Chlorine, total residual, monthly average.07 mg/L≤ .008 mg/L775%
October 2025Coliform, fecal general, daily maximum631.1 #/100mL≤ 400 #/100mL58%
November 2025Chlorine, total residual, daily maximum.07 mg/L≤ .02 mg/L250%
November 2025Chlorine, total residual, monthly average.065 mg/L≤ .008 mg/L713%
December 2025Chlorine, total residual, daily maximum.06 mg/L≤ .02 mg/L200%
December 2025Chlorine, total residual, monthly average.05 mg/L≤ .008 mg/L525%
January 2026Chlorine, total residual, daily maximum.06 mg/L≤ .02 mg/L200%
January 2026Chlorine, total residual, monthly average.055 mg/L≤ .008 mg/L588%
February 2026Chlorine, total residual, daily maximum.07 mg/L≤ .02 mg/L250%
February 2026Chlorine, total residual, monthly average.068 mg/L≤ .008 mg/L750%
March 2026Chlorine, total residual, daily maximum.05 mg/L≤ .02 mg/L150%
March 2026Chlorine, total residual, monthly average.05 mg/L≤ .008 mg/L525%
April 2026Chlorine, total residual, daily maximum.08 mg/L≤ .02 mg/L300%
April 2026Chlorine, total residual, monthly average.06 mg/L≤ .008 mg/L650%
May 2026Chlorine, total residual, daily maximum.06 mg/L≤ .02 mg/L200%
May 2026Chlorine, total residual, monthly average.05 mg/L≤ .008 mg/L525%
June 2026Chlorine, total residual, daily maximum.05 mg/L≤ .02 mg/L150%
June 2026Chlorine, total residual, monthly average.05 mg/L≤ .008 mg/L525%
June 2026Coliform, fecal general, daily maximum920.8 #/100mL≤ 400 #/100mL130%

Limits in force (28)

ParameterStatisticLimitMonths
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 15 mg/Lall year
Solids, total suspendeddaily maximum≤ 23 mg/Lall year
Solids, total suspendedmonthly average≤ 16.4 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]daily maximumreport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]monthly average≤ 5 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 10 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 5.5 lb/dall year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (lb/d)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualinstantaneous maximum≤ .033 mg/Lall year
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 15 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 11 lb/dall year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year
BOD, carbonaceous, percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year

How strict are these limits?

Cited limits by parameter: Louisiana's rules and the federal ones.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/LA0127361 · MCP: https://passage-data.com/mcp