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Lakeshore Subdivision Sewerage District No.1

Sewage treatment plant, Monroe, Louisiana. NPDES permit LA0047341, in force until Jan 31, 2027. Last 12 months: over a limit 20 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A quarterly (26 values), form Q quarterly (6 values)
Renewal application due
Aug 4, 2026 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
30 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 2025BOD, 5-day, 20 deg. C, weekly average18.2 mg/L≤ 15 mg/L21%
October 2025Solids, total suspended, monthly average17.48 mg/L≤ 15 mg/L17%
November 2025BOD, 5-day, 20 deg. C, monthly average11.86 mg/L≤ 10 mg/L19%
November 2025BOD, 5-day, 20 deg. C, weekly average17.6 mg/L≤ 15 mg/L17%
November 2025Solids, total suspended, monthly average16.68 mg/L≤ 15 mg/L11%
December 2025BOD, 5-day, 20 deg. C, monthly average12.46 mg/L≤ 10 mg/L25%
December 2025BOD, 5-day, 20 deg. C, weekly average24.2 mg/L≤ 15 mg/L61%
April 2026BOD, 5-day, 20 deg. C, monthly average10.38 mg/L≤ 10 mg/L4%
April 2026BOD, 5-day, 20 deg. C, weekly average17.5 mg/L≤ 15 mg/L17%
April 2026Solids, total suspended, monthly average18.05 mg/L≤ 15 mg/L20%
April 2026Solids, total suspended, weekly average32 mg/L≤ 23 mg/L39%
May 2026BOD, 5-day, 20 deg. C, monthly average15.66 mg/L≤ 10 mg/L57%
May 2026BOD, 5-day, 20 deg. C, weekly average20.7 mg/L≤ 15 mg/L38%
May 2026Solids, total suspended, monthly average21.83 mg/L≤ 15 mg/L46%
May 2026Solids, total suspended, weekly average31 mg/L≤ 23 mg/L35%
June 2026BOD, 5-day, 20 deg. C, monthly average10.78 mg/L≤ 10 mg/L8%
July 2026BOD, 5-day, 20 deg. C, monthly average13.21 mg/L≤ 10 mg/L32%
July 2026BOD, 5-day, 20 deg. C, weekly average17.8 mg/L≤ 15 mg/L19%
September 2026BOD, 5-day, 20 deg. C, monthly average18.54 mg/L≤ 10 mg/L85%
September 2026BOD, 5-day, 20 deg. C, weekly average24.6 mg/L≤ 15 mg/L64%

Limits in force (32)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 15 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 15 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 40 lb/dall year
BOD, 5-day, 20 deg. Cmonthly average≤ 40 lb/dall year
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 15 mg/Lall year
Solids, total suspendedmonthly average≤ 15 mg/Lall year
Solids, total suspendedweekly average≤ 23 mg/Lall year
Solids, total suspendedweekly average≤ 23 mg/Lall year
Solids, total suspendedmonthly average≤ 60 lb/dall year
Solids, total suspendedmonthly average≤ 60 lb/dall year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]weekly averagereport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (lb/d)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]weekly averagereport 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 plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all year
Chlorine, total residualinstantaneous maximum≤ .033 mg/Lall year
Chlorine, total residualinstantaneous maximum≤ .033 mg/Lall year
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year

How strict are these limits?

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

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/LA0047341 · MCP: https://passage-data.com/mcp