City of Atlanta

NPDES permit GA0039012 · Major POTW · effective, expires 2028-12-31 · 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

43values over a limit
0required values missing, on 0 form(s)
3of 55 forms filed late

Last period with anything received: 2026-07-31. Most often over: Phosphorus, total [as P] (16), Nitrogen, ammonia total [as N] (15), Solids, total suspended (6).

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (171)

OutfallParameterStatisticLimitMonths
CLAYTemperature, water deg. fahrenheitAVERAGE report only all year
CLAYTemperature, water deg. fahrenheitAVERAGE report only all year
CLAYTemperature, water deg. fahrenheitAVERAGE report only all year
CLAYOxygen, dissolved [DO]MINIMUM >= 6 mg/L all year
CLAYpHMINIMUM >= 6 SU all year
CLAYpHMAXIMUM <= 9 SU all year
CLAYSolids, total suspendedMO AVG <= 10 mg/L all year
CLAYSolids, total suspendedWKLY AVG <= 15 mg/L all year
CLAYSolids, total suspendedMO AVG <= 8340 lb/d all year
CLAYSolids, total suspendedWKLY AVG <= 10425 lb/d all year
CLAYSolids, total suspendedMO AVG report only all year
CLAYSolids, total suspendedWKLY AVG report only all year
CLAYSolids, total suspendedMO AVG report only all year
CLAYSolids, total suspendedWKLY AVG report only all year
CLAYNitrogen, total [as N]MO AVG report only all year
CLAYNitrogen, organic total [as N]MO AVG report only all year
CLAYNitrogen, ammonia total [as N]MO AVG <= 1.8 mg/L all year
CLAYNitrogen, ammonia total [as N]WKLY AVG <= 2.7 mg/L all year
CLAYNitrogen, ammonia total [as N]MO AVG report only all year
CLAYNitrogen, ammonia total [as N]WKLY AVG report only all year
CLAYNitrogen, Kjeldahl, total [as N]MO AVG report only all year
CLAYNitrite + Nitrate total [as N]MO AVG report only all year
CLAYPhosphorus, total [as P]MO AVG <= .5 mg/L all year
CLAYPhosphorus, total [as P]WKLY AVG <= .75 mg/L all year
CLAYPhosphorus, total [as P]MO AVG report only all year
CLAYPhosphorus, total [as P]WKLY AVG report only all year
CLAYPhosphate, ortho [as P]MO AVG report only all year
CLAYFlow, in conduit or thru treatment plantMO AVG <= 100 MGD all year
CLAYFlow, in conduit or thru treatment plantWKLY AVG <= 125 MGD all year
CLAYFlow, in conduit or thru treatment plantMO AVG report only all year
CLAYFlow, in conduit or thru treatment plantWKLY AVG report only all year
CLAYChlorine, total residualMAXIMUM <= .06 mg/L all year
CLAYE. coliMOAV GEO <= 126 #/100mL all year
CLAYE. coliWE <= 410 #/100mL all year
CLAYSolids, sludge, total, dry weightMO TOTAL report only all year
CLAYBOD, carbonaceous [5 day, 20 C]MO AVG <= 8.2 mg/L all year
CLAYBOD, carbonaceous [5 day, 20 C]WKLY AVG <= 12.3 mg/L all year
CLAYBOD, carbonaceous [5 day, 20 C]MO AVG report only all year
CLAYBOD, carbonaceous [5 day, 20 C]WKLY AVG report only all year
CLAYBOD, carbonaceous [5 day, 20 C]MO AVG report only all year
CLAYBOD, carbonaceous [5 day, 20 C]WKLY AVG report only all year
CLAYBOD, carbonaceous [5 day, 20 C]MO AVG report only all year
CLAYBOD, carbonaceous [5 day, 20 C]WKLY AVG report only all year
CLAYBOD, carbonaceous, percent removalMINIMUM >= 85 % all year
CLAYSolids, suspended percent removalMINIMUM >= 85 % all year
CLAYChemical Oxygen Demand [COD]MO AVG <= 45 mg/L all year
CLAYChemical Oxygen Demand [COD]WKLY AVG <= 67.5 mg/L all year
CLAYChemical Oxygen Demand [COD]MO AVG <= 37530 lb/d all year
CLAYChemical Oxygen Demand [COD]WKLY AVG <= 46913 lb/d all year
CLAYNOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaMINIMUM report only all year
CLAYNOEC Lethal Static Renewal 7 Day Chronic Pimephales promelasMINIMUM report only all year
CLAYNOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaMINIMUM report only all year
CLAYNOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelasMINIMUM report only all year
SORVOxygen, dissolved [DO]MINIMUM >= 6 mg/L all year
SORVpHMINIMUM >= 6 SU all year
SORVpHMAXIMUM <= 9 SU all year
SORVSolids, total suspendedMO AVG <= 10 mg/L all year
SORVSolids, total suspendedWKLY AVG <= 15 mg/L all year
SORVSolids, total suspendedMO AVG <= 4003 lb/d all year
SORVSolids, total suspendedWKLY AVG <= 5004 lb/d all year
SORVSolids, total suspendedMO AVG report only all year
SORVSolids, total suspendedWKLY AVG report only all year
SORVSolids, total suspendedMO AVG report only all year
SORVSolids, total suspendedWKLY AVG report only all year
SORVNitrogen, total [as N]MO AVG report only all year
SORVNitrogen, organic total [as N]MO AVG report only all year
SORVNitrogen, ammonia total [as N]MO AVG <= 1.8 mg/L all year
SORVNitrogen, ammonia total [as N]WKLY AVG <= 2.7 mg/L all year
SORVNitrogen, ammonia total [as N]MO AVG report only all year
SORVNitrogen, ammonia total [as N]WKLY AVG report only all year
SORVNitrogen, Kjeldahl, total [as N]MO AVG report only all year
SORVNitrite + Nitrate total [as N]MO AVG report only all year
SORVPhosphorus, total [as P]MO AVG <= .5 mg/L all year
SORVPhosphorus, total [as P]WKLY AVG <= .75 mg/L all year
SORVPhosphorus, total [as P]MO AVG report only all year
SORVPhosphorus, total [as P]WKLY AVG report only all year
SORVPhosphate, ortho [as P]MO AVG report only all year
SORVFlow, in conduit or thru treatment plantMO AVG <= 48 MGD all year
SORVFlow, in conduit or thru treatment plantWKLY AVG <= 60 MGD all year
SORVFlow, in conduit or thru treatment plantMO AVG report only all year
SORVFlow, in conduit or thru treatment plantWKLY AVG report only all year
SORVChlorine, total residualMAXIMUM <= .08 mg/L all year
SORVE. coliMOAV GEO <= 126 #/100mL all year
SORVE. coliWE <= 410 #/100mL all year
SORVSolids, sludge, total, dry weightMO TOTAL report only all year
SORVBOD, carbonaceous [5 day, 20 C]MO AVG <= 8.2 mg/L all year
SORVBOD, carbonaceous [5 day, 20 C]WKLY AVG <= 12.3 mg/L all year
SORVBOD, carbonaceous [5 day, 20 C]MO AVG report only all year
SORVBOD, carbonaceous [5 day, 20 C]WKLY AVG report only all year
SORVBOD, carbonaceous [5 day, 20 C]MO AVG report only all year
SORVBOD, carbonaceous [5 day, 20 C]WKLY AVG report only all year
SORVBOD, carbonaceous [5 day, 20 C]MO AVG report only all year
SORVBOD, carbonaceous [5 day, 20 C]WKLY AVG report only all year
SORVBOD, carbonaceous, percent removalMINIMUM >= 85 % all year
SORVSolids, suspended percent removalMINIMUM >= 85 % all year
SORVChemical Oxygen Demand [COD]MO AVG <= 45 mg/L all year
SORVChemical Oxygen Demand [COD]WKLY AVG <= 67.5 mg/L all year
SORVChemical Oxygen Demand [COD]MO AVG <= 18014 lb/d all year
SORVChemical Oxygen Demand [COD]WKLY AVG <= 22518 lb/d all year
SORVNOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaMINIMUM report only all year
SORVNOEC Lethal Static Renewal 7 Day Chronic Pimephales promelasMINIMUM report only all year
SORVNOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaMINIMUM report only all year
SORVNOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelasMINIMUM report only all year
SUMNitrogen, ammonia total [as N]MO AVG <= 1565 lb/d Jan, Feb, Dec
SUMNitrogen, ammonia total [as N]MO AVG <= 992 lb/d Sep, Oct, Nov
SUMNitrogen, ammonia total [as N]MO AVG <= 771 lb/d Jun, Jul, Aug
SUMNitrogen, ammonia total [as N]MO AVG <= 1168 lb/d Mar, Apr, May
SUMNitrogen, ammonia total [as N]WKLY AVG <= 1956 lb/d Jan, Feb, Dec
SUMNitrogen, ammonia total [as N]WKLY AVG <= 1240 lb/d Sep, Oct, Nov
SUMNitrogen, ammonia total [as N]WKLY AVG <= 964 lb/d Jun, Jul, Aug
SUMNitrogen, ammonia total [as N]WKLY AVG <= 1460 lb/d Mar, Apr, May
SUMPhosphorus, total [as P]MO AVG <= 472 lb/d all year
SUMPhosphorus, total [as P]WKLY AVG <= 590 lb/d all year
SUMBOD, carbonaceous [5 day, 20 C]MO AVG <= 6105 lb/d Sep, Oct, Nov
SUMBOD, carbonaceous [5 day, 20 C]MO AVG <= 5488 lb/d Jun, Jul, Aug
SUMBOD, carbonaceous [5 day, 20 C]MO AVG <= 6414 lb/d Mar, Apr, May
SUMBOD, carbonaceous [5 day, 20 C]MO AVG <= 6899 lb/d Jan, Feb, Dec
SUMBOD, carbonaceous [5 day, 20 C]WKLY AVG <= 7631 lb/d Sep, Oct, Nov
SUMBOD, carbonaceous [5 day, 20 C]WKLY AVG <= 6860 lb/d Jun, Jul, Aug
SUMBOD, carbonaceous [5 day, 20 C]WKLY AVG <= 8017 lb/d Mar, Apr, May
SUMBOD, carbonaceous [5 day, 20 C]WKLY AVG <= 8623 lb/d Jan, Feb, Dec
UTOYOxygen, dissolved [DO]MINIMUM >= 6 mg/L all year
UTOYpHMINIMUM >= 6 SU all year
UTOYpHMAXIMUM <= 9 SU all year
UTOYSolids, total suspendedMO AVG <= 10 mg/L all year
UTOYSolids, total suspendedWKLY AVG <= 15 mg/L all year
UTOYSolids, total suspendedMO AVG <= 3336 lb/d all year
UTOYSolids, total suspendedWKLY AVG <= 4170 lb/d all year
UTOYSolids, total suspendedMO AVG report only all year
UTOYSolids, total suspendedWKLY AVG report only all year
UTOYSolids, total suspendedMO AVG report only all year
UTOYSolids, total suspendedWKLY AVG report only all year
UTOYNitrogen, total [as N]MO AVG report only all year
UTOYNitrogen, organic total [as N]MO AVG report only all year
UTOYNitrogen, ammonia total [as N]MO AVG <= 1.8 mg/L all year
UTOYNitrogen, ammonia total [as N]WKLY AVG <= 2.7 mg/L all year
UTOYNitrogen, ammonia total [as N]MO AVG report only all year
UTOYNitrogen, ammonia total [as N]WKLY AVG report only all year
UTOYNitrogen, Kjeldahl, total [as N]MO AVG report only all year
UTOYNitrite + Nitrate total [as N]MO AVG report only all year
UTOYPhosphorus, total [as P]MO AVG <= .5 mg/L all year
UTOYPhosphorus, total [as P]WKLY AVG <= .75 mg/L all year
UTOYPhosphorus, total [as P]MO AVG report only all year
UTOYPhosphorus, total [as P]WKLY AVG report only all year
UTOYPhosphate, ortho [as P]MO AVG report only all year
UTOYFlow, in conduit or thru treatment plantMO AVG <= 40 MGD all year
UTOYFlow, in conduit or thru treatment plantWKLY AVG <= 50 MGD all year
UTOYFlow, in conduit or thru treatment plantMO AVG report only all year
UTOYFlow, in conduit or thru treatment plantWKLY AVG report only all year
UTOYChlorine, total residualMAXIMUM <= .08 mg/L all year
UTOYE. coliMOAV GEO <= 126 #/100mL all year
UTOYE. coliWE <= 410 #/100mL all year
UTOYSolids, sludge, total, dry weightMO TOTAL report only all year
UTOYBOD, carbonaceous [5 day, 20 C]MO AVG <= 8.2 mg/L all year
UTOYBOD, carbonaceous [5 day, 20 C]WKLY AVG <= 12.3 mg/L all year
UTOYBOD, carbonaceous [5 day, 20 C]MO AVG report only all year
UTOYBOD, carbonaceous [5 day, 20 C]WKLY AVG report only all year
UTOYBOD, carbonaceous [5 day, 20 C]MO AVG report only all year
UTOYBOD, carbonaceous [5 day, 20 C]WKLY AVG report only all year
UTOYBOD, carbonaceous [5 day, 20 C]MO AVG report only all year
UTOYBOD, carbonaceous [5 day, 20 C]WKLY AVG report only all year
UTOYBOD, carbonaceous, percent removalMINIMUM >= 85 % all year
UTOYSolids, suspended percent removalMINIMUM >= 85 % all year
UTOYChemical Oxygen Demand [COD]MO AVG <= 45 mg/L all year
UTOYChemical Oxygen Demand [COD]WKLY AVG <= 67.5 mg/L all year
UTOYChemical Oxygen Demand [COD]MO AVG <= 15012 lb/d all year
UTOYChemical Oxygen Demand [COD]WKLY AVG <= 18765 lb/d all year
UTOYNOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaMINIMUM report only all year
UTOYNOEC Lethal Static Renewal 7 Day Chronic Pimephales promelasMINIMUM report only all year
UTOYNOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaMINIMUM report only all year
UTOYNOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelasMINIMUM report only all year

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