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Magnolia Water Utility Operating Co., LLC

Sewerage Systems, Broussard, Louisiana. NPDES permit LA0072265, in force until Dec 31, 2028. Last 12 months: over a limit 3 times (last March 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
September 2026
Oct 2024 – Sep 2025
4 values over a limit, 17 required values missing, 5 of 16 reports late

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

Period endingParameterReportedLimitOver by
October 2025Solids, total suspended, daily maximum24 mg/L≤ 23 mg/L4%
December 2025Coliform, fecal general, daily maximum514 #/100mL≤ 400 #/100mL29%
March 2026Solids, total suspended, daily maximum38 mg/L≤ 30 mg/L27%

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 suspendeddaily maximum≤ 23 mg/LMay–Dec
Solids, total suspendeddaily maximum≤ 30 mg/LJan–Apr
Solids, total suspendedmonthly average≤ 21.5 lb/dMay–Dec
Solids, total suspendedmonthly average≤ 28.7 lb/dJan–Apr
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≤ 10 mg/LJan–Apr
Nitrogen, ammonia total [as N]monthly average≤ 5 mg/LMay–Dec
Nitrogen, ammonia total [as N]daily maximum≤ 20 mg/LJan–Apr
Nitrogen, ammonia total [as N]daily maximum≤ 10 mg/LMay–Dec
Nitrogen, ammonia total [as N]monthly average≤ 14.3 lb/dJan–Apr
Nitrogen, ammonia total [as N]monthly average≤ 7.2 lb/dMay–Dec
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 maximumreport only (mg/L)all 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/LMay–Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 mg/LJan–Apr
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 15 mg/LMay–Dec
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 30 mg/LJan–Apr
BOD, carbonaceous [5 day, 20 C]monthly average≤ 14.3 lb/dMay–Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 28.7 lb/dJan–Apr

New limits from Jan 1, 2028

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Chlorine, total residual, instantaneous maximum0.033 mg/Lnew2.2 mg/L (10 values)66.7×

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/LA0072265 · MCP: https://passage-data.com/mcp