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Port Barre Town of - WWTP

Sewage treatment plant, Port Barre, Louisiana. NPDES permit LA0020419, in force until Dec 31, 2030. Last 12 months: over a limit 13 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
13 values over a limit, 0 required values missing, 0 of 16 reports late

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

All 13 values over a limit
Period endingParameterReportedLimitOver by
October 2025Solids, total suspended, monthly average28.47 mg/L≤ 15 mg/L90%
October 2025Solids, total suspended, weekly average39 mg/L≤ 23 mg/L70%
January 2026Solids, total suspended, monthly average22 mg/L≤ 15 mg/L47%
February 2026Solids, total suspended, monthly average28 mg/L≤ 15 mg/L87%
February 2026Solids, total suspended, weekly average35 mg/L≤ 23 mg/L52%
March 2026Coliform, fecal general, weekly geometric mean2419.6 #/100mL≤ 400 #/100mL505%
March 2026Solids, total suspended, monthly average31 mg/L≤ 15 mg/L107%
March 2026Solids, total suspended, weekly average60 mg/L≤ 23 mg/L161%
April 2026Solids, total suspended, monthly average42 mg/L≤ 15 mg/L180%
April 2026Solids, total suspended, weekly average46 mg/L≤ 23 mg/L100%
May 2026Coliform, fecal general, weekly geometric mean2419.6 #/100mL≤ 400 #/100mL505%
June 2026Coliform, fecal general, monthly geometric mean406.5 #/100mL≤ 200 #/100mL103%
June 2026Coliform, fecal general, weekly geometric mean2419.6 #/100mL≤ 400 #/100mL505%

Limits in force (31)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cweekly average≤ 15 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 42 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cweekly averagereport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 15 mg/Lall year
Solids, total suspendedweekly average≤ 23 mg/Lall year
Solids, total suspendedmonthly average≤ 63 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedweekly averagereport only (mg/L)all 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
Nitrogen, ammonia total [as N]monthly average≤ 10 mg/LMay–Oct
Nitrogen, ammonia total [as N]weekly average≤ 20 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 42 lb/dMay–Oct
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
BOD, percent removal [total]monthly average minimum≥ 85 %Jan, Feb, Mar, Apr, Nov, Dec
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 15 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 42 lb/dMay–Oct
Solids, suspended percent removalmonthly average minimum≥ 85 %all year

New limits from Jan 1, 2029

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Chlorine, total residual, instantaneous maximum0.033 mg/Lnew1.015 mg/L (6 values)30.8×

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/LA0020419 · MCP: https://passage-data.com/mcp