MAGNOLIA WATER UTILITY OPERATING CO., LLC

NPDES permit LA0126136 · Minor NON-POTW · effective, expires 2029-04-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

EPA's record, 2025-09-01 to 2026-08-31

2values over a limit
0required values missing, on 0 form(s)
0of 34 forms filed late

Last period with anything received: 2026-06-30. Most often over: BOD, carbonaceous [5 day, 20 C] (2).

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (78)

OutfallParameterStatisticLimitMonths
001Solids, total suspendedMO AVG <= 17.5 lb/d all year
001Solids, total suspendedMO AVG <= 17.5 lb/d all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 2.3 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG <= 2.3 lb/d all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Sulfate, total [as SO4]MO AVG report only all year
001Sulfate, total [as SO4]DAILY MX report only all year
001Sulfate, total [as SO4]MO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Solids, total dissolvedMO AVG report only all year
001Solids, total dissolvedDAILY MX report only all year
001Solids, total dissolvedMO AVG report only all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 11.7 lb/d all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 11.7 lb/d all year
101Oxygen, dissolved [DO]MO AV MN >= 5 mg/L all year
101Oxygen, dissolved [DO]MO AV MN >= 5 mg/L all year
101pHINST MIN >= 6 SU all year
101pHINST MIN >= 6 SU all year
101pHINST MAX <= 9 SU all year
101pHINST MAX <= 9 SU all year
101Solids, total suspendedMO AVG <= 15 mg/L all year
101Solids, total suspendedMO AVG <= 15 mg/L all year
101Solids, total suspendedDAILY MX <= 23 mg/L all year
101Solids, total suspendedDAILY MX <= 23 mg/L all year
101Nitrogen, ammonia total [as N]MO AVG <= 2 mg/L all year
101Nitrogen, ammonia total [as N]MO AVG <= 2 mg/L all year
101Nitrogen, ammonia total [as N]DAILY MX <= 4 mg/L all year
101Nitrogen, ammonia total [as N]DAILY MX <= 4 mg/L all year
101Flow, in conduit or thru treatment plantMO AVG report only all year
101Flow, in conduit or thru treatment plantMO AVG report only all year
101Flow, in conduit or thru treatment plantDAILY MX report only all year
101Flow, in conduit or thru treatment plantDAILY MX report only all year
101Chlorine, total residualINST MAX report only all year
101Chlorine, total residualINST MAX report only all year
101Coliform, fecal generalMOAV GEO <= 200 #/100mL all year
101Coliform, fecal generalMOAV GEO <= 200 #/100mL all year
101Coliform, fecal generalDAILY MX <= 400 #/100mL all year
101Coliform, fecal generalDAILY MX <= 400 #/100mL all year
101BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L all year
101BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L all year
101BOD, carbonaceous [5 day, 20 C]DAILY MX <= 15 mg/L all year
101BOD, carbonaceous [5 day, 20 C]DAILY MX <= 15 mg/L all year
102Oxygen, dissolved [DO]MO AV MN >= 5 mg/L all year
102Oxygen, dissolved [DO]MO AV MN >= 5 mg/L all year
102pHINST MIN >= 6 SU all year
102pHINST MIN >= 6 SU all year
102pHINST MAX <= 9 SU all year
102pHINST MAX <= 9 SU all year
102Solids, total suspendedMO AVG <= 15 mg/L all year
102Solids, total suspendedMO AVG <= 15 mg/L all year
102Solids, total suspendedDAILY MX <= 23 mg/L all year
102Solids, total suspendedDAILY MX <= 23 mg/L all year
102Nitrogen, ammonia total [as N]MO AVG <= 2 mg/L all year
102Nitrogen, ammonia total [as N]MO AVG <= 2 mg/L all year
102Nitrogen, ammonia total [as N]DAILY MX <= 4 mg/L all year
102Nitrogen, ammonia total [as N]DAILY MX <= 4 mg/L all year
102Flow, in conduit or thru treatment plantMO AVG report only all year
102Flow, in conduit or thru treatment plantMO AVG report only all year
102Flow, in conduit or thru treatment plantDAILY MX report only all year
102Flow, in conduit or thru treatment plantDAILY MX report only all year
102Chlorine, total residualINST MAX report only all year
102Chlorine, total residualINST MAX report only all year
102Coliform, fecal generalMOAV GEO <= 200 #/100mL all year
102Coliform, fecal generalMOAV GEO <= 200 #/100mL all year
102Coliform, fecal generalDAILY MX <= 400 #/100mL all year
102Coliform, fecal generalDAILY MX <= 400 #/100mL all year
102BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L all year
102BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L all year
102BOD, carbonaceous [5 day, 20 C]DAILY MX <= 15 mg/L all year
102BOD, carbonaceous [5 day, 20 C]DAILY MX <= 15 mg/L all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states