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Town of Maurice- Maurice WTP

Sewage treatment plant, Maurice, Louisiana. NPDES permit LA0038393, in force until Dec 31, 2028. Last 12 months: over a limit once (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A quarterly (17 values), form Q quarterly (6 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
15 values over a limit, 0 required values missing, 0 of 16 reports late

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

Period endingParameterReportedLimitOver by
June 2026Coliform, fecal general, weekly geometric mean2419.6 #/100mL≤ 400 #/100mL505%

Limits in force (32)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly average minimum≥ 5 mg/Lall year
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 15 mg/LMay–Dec
Solids, total suspendedmonthly average≤ 20 mg/LJan–Apr
Solids, total suspendedweekly average≤ 23 mg/LMay–Dec
Solids, total suspendedweekly average≤ 30 mg/LJan–Apr
Solids, total suspendedmonthly average≤ 25 lb/dMay–Dec
Solids, total suspendedmonthly average≤ 33.4 lb/dJan–Apr
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≤ 5 mg/LMay–Dec
Nitrogen, ammonia total [as N]monthly average≤ 10 mg/LJan–Apr
Nitrogen, ammonia total [as N]weekly average≤ 10 mg/LMay–Dec
Nitrogen, ammonia total [as N]weekly average≤ 20 mg/LJan–Apr
Nitrogen, ammonia total [as N]monthly average≤ 8.3 lb/dMay–Dec
Nitrogen, ammonia total [as N]monthly average≤ 16.7 lb/dJan–Apr
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 geometric mean≤ 200 #/100mLall year
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 mg/LJan–Apr
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LMay–Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 30 mg/LJan–Apr
BOD, carbonaceous [5 day, 20 C]weekly average≤ 15 mg/LMay–Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 33.4 lb/dJan–Apr
BOD, carbonaceous [5 day, 20 C]monthly average≤ 16.7 lb/dMay–Dec

New limits from Jan 1, 2027

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Chlorine, total residual, instantaneous maximum0.039 mg/Lnew1.08 mg/L (9 values)27.7×

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/LA0038393 · MCP: https://passage-data.com/mcp