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Magnolia Water Utility Operating Co., LLC

Sewerage Systems, Deridder, Louisiana. NPDES permit LA0039993, in force until Jun 30, 2028. Last 12 months: over a limit 33 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A quarterly (13 values), form Q quarterly (6 values)
Renewal application due
Jan 2, 2028 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
33 values over a limit, 0 required values missing, 0 of 16 reports late

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

All 33 values over a limit
Period endingParameterReportedLimitOver by
October 2025Solids, total suspended, daily maximum65 mg/L≤ 23 mg/L183%
October 2025Solids, total suspended, monthly average56 mg/L≤ 15 mg/L273%
October 2025pH, instantaneous maximum9.8 SU≤ 9 SU—
November 2025BOD, 5-day, 20 deg. C, daily maximum23 mg/L≤ 15 mg/L53%
November 2025BOD, 5-day, 20 deg. C, monthly average14 mg/L≤ 10 mg/L40%
November 2025Solids, total suspended, daily maximum78 mg/L≤ 23 mg/L239%
November 2025Solids, total suspended, monthly average29 lb/d≤ 27 lb/d7%
November 2025Solids, total suspended, monthly average77 mg/L≤ 15 mg/L413%
November 2025pH, instantaneous maximum9.59 SU≤ 9 SU—
December 2025BOD, 5-day, 20 deg. C, daily maximum34 mg/L≤ 15 mg/L127%
December 2025BOD, 5-day, 20 deg. C, monthly average23 mg/L≤ 10 mg/L130%
December 2025Solids, total suspended, daily maximum75 mg/L≤ 23 mg/L226%
December 2025Solids, total suspended, monthly average47 lb/d≤ 27 lb/d74%
December 2025Solids, total suspended, monthly average65 mg/L≤ 15 mg/L333%
January 2026BOD, 5-day, 20 deg. C, monthly average12 mg/L≤ 10 mg/L20%
January 2026Solids, total suspended, daily maximum74 mg/L≤ 23 mg/L222%
January 2026Solids, total suspended, monthly average43 lb/d≤ 27 lb/d59%
January 2026Solids, total suspended, monthly average60 mg/L≤ 15 mg/L300%
February 2026Solids, total suspended, daily maximum47 mg/L≤ 23 mg/L104%
February 2026Solids, total suspended, monthly average43 mg/L≤ 15 mg/L187%
March 2026Solids, total suspended, daily maximum37 mg/L≤ 23 mg/L61%
March 2026Solids, total suspended, monthly average32 mg/L≤ 15 mg/L113%
April 2026Solids, total suspended, daily maximum47 mg/L≤ 23 mg/L104%
April 2026Solids, total suspended, monthly average46 mg/L≤ 15 mg/L207%
May 2026BOD, 5-day, 20 deg. C, daily maximum17 mg/L≤ 15 mg/L13%
May 2026BOD, 5-day, 20 deg. C, monthly average13 mg/L≤ 10 mg/L30%
May 2026Solids, total suspended, daily maximum43 mg/L≤ 23 mg/L87%
May 2026Solids, total suspended, monthly average41 mg/L≤ 15 mg/L173%
June 2026BOD, 5-day, 20 deg. C, daily maximum23 mg/L≤ 15 mg/L53%
June 2026BOD, 5-day, 20 deg. C, monthly average20 mg/L≤ 10 mg/L100%
June 2026Coliform, fecal general, daily maximum410 #/100mL≤ 400 #/100mL3%
June 2026Solids, total suspended, daily maximum84 mg/L≤ 23 mg/L265%
June 2026Solids, total suspended, monthly average50 mg/L≤ 15 mg/L233%

Limits in force (19)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 15 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 18 lb/dall year
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 15 mg/Lall year
Solids, total suspendeddaily maximum≤ 23 mg/Lall year
Solids, total suspendedmonthly average≤ 27 lb/dall year
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
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 maximum≤ .033 mg/Lall year
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year

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/LA0039993 · MCP: https://passage-data.com/mcp