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Magnolia Water Utility Operating Company LLC - Atwood Acres Subdivision

Sewerage Systems, Crowley, Louisiana. NPDES permit LA0118656, in force until Jun 30, 2030. Last 12 months: over a limit 3 times (last December 2025). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A quarterly (14 values), form Q quarterly (4 values), form Y yearly
Last report on file
September 2026
Oct 2024 – Sep 2025
32 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
November 2025BOD, carbonaceous [5 day, 20 C], monthly average12 mg/L≤ 10 mg/L20%
November 2025Solids, total suspended, monthly average25 mg/L≤ 20 mg/L25%
December 2025Coliform, fecal general, daily maximum1840 #/100mL≤ 400 #/100mL360%

Limits in force (25)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly average minimum≥ 5 mg/LMar–Nov
Oxygen, dissolved [DO]monthly average minimum≥ 6 mg/LJan, Feb, Dec
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 20 mg/Lall year
Solids, total suspendeddaily maximum≤ 30 mg/Lall year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]daily maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 15 mg/LJan, Feb, Dec
Nitrogen, ammonia total [as N]monthly average≤ 5 mg/LMar–Nov
Nitrogen, ammonia total [as N]daily maximum≤ 30 mg/LJan, Feb, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 10 mg/LMar–Nov
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)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
Mercury, total [as Hg]monthly averagereport only (mg/L)all year
Mercury, total [as Hg]daily 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≤ 30 mg/LJan, Feb, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LMar–Nov
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 45 mg/LJan, Feb, Dec
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 15 mg/LMar–Nov

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/LA0118656 · MCP: https://passage-data.com/mcp