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Town of Logansport

Sewage treatment plant, Logansport, Louisiana. NPDES permit LA0033308, in force until Mar 31, 2029. Last 12 months: over a limit 6 times (last July 2026), 2 of 16 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A quarterly (13 values), form Q quarterly (6 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
7 values over a limit, 0 required values missing, 4 of 16 reports late

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

Period endingParameterReportedLimitOver by
November 2025Coliform, fecal general, weekly average612 #/100mL≤ 400 #/100mL53%
March 2026Coliform, fecal general, monthly average315 #/100mL≤ 200 #/100mL58%
March 2026Coliform, fecal general, weekly average496 #/100mL≤ 400 #/100mL24%
April 2026Coliform, fecal general, weekly average1176 #/100mL≤ 400 #/100mL194%
June 2026Coliform, fecal general, weekly average924 #/100mL≤ 400 #/100mL131%
July 2026Coliform, fecal general, weekly average1250 #/100mL≤ 400 #/100mL213%

Limits in force (19)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 100 lb/dall year
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 90 mg/Lall year
Solids, total suspendedweekly average≤ 135 mg/Lall year
Solids, total suspendedmonthly average≤ 300 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 plantweekly averagereport only (MGD)all year
Chlorine, total residualinstantaneous maximumreport only (mg/L)all year
Coliform, fecal generalmonthly average≤ 200 #/100mLall year
Coliform, fecal generalweekly average≤ 400 #/100mLall year

New limits from Apr 1, 2027

ParameterNew limitNew or tighterMedian, last 12 months× new limit
BOD, 5-day, 20 deg. C, monthly average10 mg/Ltighter13.8 mg/L (12 values)1.38×
BOD, 5-day, 20 deg. C, monthly average33 lb/dtighter36.6 lb/d (12 values)1.11×
Solids, total suspended, monthly average15 mg/Ltighter18.3 mg/L (12 values)1.22×
BOD, 5-day, 20 deg. C, weekly average15 mg/Ltighter13.85 mg/L (12 values)0.923×
Chlorine, total residual, instantaneous maximum0.033 mg/Lnew0 mg/L (11 values)0×
Solids, total suspended, monthly average50 lb/dtighter47.55 lb/d (12 values)0.951×
Solids, total suspended, weekly average23 mg/Ltighter18.2 mg/L (12 values)0.791×

How strict are these limits?

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

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Your permit document is the final word. As JSON: /api/v1/permits/LA0033308 · MCP: https://passage-data.com/mcp