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Magnolia Water Utility Operating Co., LLC - Oakwood Regional WWT Facility

Sewerage Systems, Monroe, Louisiana. NPDES permit LA0052078, in force until Aug 31, 2028. Last 12 months: over a limit 5 times (last June 2026), 7 of 18 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A quarterly (28 values), outfall 001 form Q quarterly (12 values), outfall 01A form A quarterly
Renewal application due
Mar 4, 2028 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
8 values over a limit, 0 required values missing, 1 of 16 reports late

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

Period endingParameterReportedLimitOver by
February 2026Solids, total suspended, daily maximum35≤ 23 mg/L52%
February 2026Solids, total suspended, monthly average25≤ 15 mg/L67%
April 2026Oxygen, dissolved [DO], monthly average minimum2.7 mg/L≥ 5 mg/L46%
May 2026Oxygen, dissolved [DO], monthly average minimum3.5 mg/L≥ 5 mg/L30%
June 2026Coliform, fecal general, daily maximum760 #/100mL≤ 400 #/100mL90%

Limits in force (52)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]monthly average minimum≥ 5 mg/Lall year001
Oxygen, dissolved [DO]monthly average minimum≥ 5 mg/Lall year001
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 15 mg/Lall year001
Solids, total suspendedmonthly average≤ 15 mg/Lall year001
Solids, total suspendeddaily maximum≤ 23 mg/Lall year001
Solids, total suspendeddaily maximum≤ 23 mg/Lall year001
Solids, total suspendedmonthly average≤ 116 lb/dall year001
Solids, total suspendedmonthly average≤ 116 lb/dall year001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, total [as N]monthly averagereport only (lb/d)all year001
Nitrogen, total [as N]monthly averagereport only (lb/d)all year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (lb/d)all year001
Phosphorus, total [as P]monthly averagereport only (lb/d)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualinstantaneous maximum≤ .033 mg/Lall year001
Chlorine, total residualinstantaneous maximum≤ .033 mg/Lall year001
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year001
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year001
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year001
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 8 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 8 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 12 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 12 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 62 lb/dMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 62 lb/dMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 155 lb/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 155 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 10 mg/LJan, Feb, Mar, Apr, Nov, Dec01A
Nitrogen, ammonia total [as N]monthly average≤ 4 mg/LMay–Oct01A
Nitrogen, ammonia total [as N]daily maximum≤ 20 mg/LJan, Feb, Mar, Apr, Nov, Dec01A
Nitrogen, ammonia total [as N]daily maximum≤ 8 mg/LMay–Oct01A
Nitrogen, ammonia total [as N]monthly average≤ 78 lb/dJan, Feb, Mar, Apr, Nov, Dec01A
Nitrogen, ammonia total [as N]monthly average≤ 31 lb/dMay–Oct01A

New limits from Sep 1, 2028

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Nitrogen, ammonia [NH3-N], daily maximum4.4 mg/Lnew——
Nitrogen, ammonia [NH3-N], monthly average14 lb/dnew——
Nitrogen, ammonia [NH3-N], monthly average1.9 mg/Lnew——

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/LA0052078 · MCP: https://passage-data.com/mcp