Avalon, City of

NPDES permit CA0054372 · Major POTW · effective, expires 2029-06-30 · 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

0values over a limit
0required values missing, on 0 form(s)
7of 36 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 74 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (216)

OutfallParameterStatisticLimitMonths
EFF1Temperature, water deg. fahrenheitINST MAX < 100 deg F all year
EFF1TurbidityMO AVG <= 75 NTU all year
EFF1TurbidityWKLY AVG <= 100 NTU all year
EFF1TurbidityINST MAX <= 225 NTU all year
EFF1Oxygen, dissolved [DO]DAILY MX report only all year
EFF1BOD, 5-day, 20 deg. CMO AVG <= 20 mg/L all year
EFF1BOD, 5-day, 20 deg. CWKLY AVG <= 35 mg/L all year
EFF1BOD, 5-day, 20 deg. CMO AVG <= 200 lb/d all year
EFF1BOD, 5-day, 20 deg. CWKLY AVG <= 350 lb/d all year
EFF1pHINST MIN >= 6 SU all year
EFF1pHINST MAX <= 9 SU all year
EFF1Solids, total suspendedMO AVG <= 30 mg/L all year
EFF1Solids, total suspendedWKLY AVG <= 45 mg/L all year
EFF1Solids, total suspendedMO AVG <= 300 lb/d all year
EFF1Solids, total suspendedWKLY AVG <= 450 lb/d all year
EFF1Solids, settleableDAILY MX <= 1 mL/L all year
EFF1Solids, settleableWKLY AVG <= 1.5 mL/L all year
EFF1Solids, settleableINST MAX <= 3 mL/L all year
EFF1Nitrogen, organic total [as N]DAILY MX report only all year
EFF1Nitrogen, ammonia total [as N]DAILY MX report only all year
EFF1Nitrogen, nitrite total [as N]DAILY MX report only all year
EFF1Nitrogen, nitrate total [as N]DAILY MX report only all year
EFF1Nitrite + Nitrate total [as N]DAILY MX report only all year
EFF1Carbon, tot organic [TOC]DAILY MX report only all year
EFF1Cyanide, total [as CN]MO AVG report only all year
EFF1Cyanide, total [as CN]DAILY MX report only all year
EFF1Arsenic, total recoverableDAILY MX report only all year
EFF1Selenium, total recoverableDAILY MX report only all year
EFF1Thallium, total recoverableDAILY MX report only all year
EFF1Beryllium, total recoverable [as Be]DAILY MX report only all year
EFF1Chromium, hexavalent [as Cr]DAILY MX report only all year
EFF1Chromium, trivalent [as Cr]DAILY MX report only all year
EFF1Chromium, total [as Cr]DAILY MX report only all year
EFF1Copper, total [as Cu]DAILY MX report only all year
EFF1Lead, total [as Pb]DAILY MX report only all year
EFF1Nickel, total [as Ni]DAILY MX report only all year
EFF1Nickel, total recoverableDAILY MX report only all year
EFF1Silver, total [as Ag]MO AVG report only all year
EFF1Silver total recoverableDAILY MX report only all year
EFF1Zinc, total [as Zn]DAILY MX report only all year
EFF1Zinc, total recoverableDAILY MX report only all year
EFF1Antimony, total [as Sb]DAILY MX report only all year
EFF1Cadmium, total recoverableDAILY MX report only all year
EFF1Lead, total recoverableDAILY MX report only all year
EFF1Copper, total recoverableDAILY MX report only all year
EFF1Selenium, total [as Se]DAILY MX report only all year
EFF1ArsenicDAILY MX report only all year
EFF1Antimony, total recoverableDAILY MX report only all year
EFF1Oil and greaseMO AVG <= 25 mg/L all year
EFF1Oil and greaseDAILY MX <= 40 mg/L all year
EFF1Oil and greaseINST MAX <= 75 mg/L all year
EFF1Oil and greaseMO AVG <= 250 lb/d all year
EFF1Oil and greaseWKLY AVG <= 400 lb/d all year
EFF1Oil and greaseINST MAX <= 750 lb/d all year
EFF12-Methyl-4,6-dinitrophenolDAILY MX report only all year
EFF1TributyltinDAILY MX report only all year
EFF1Tritium, totalDAILY MX report only all year
EFF1Radium 226 + radium 228, totalDAILY MX report only all year
EFF1Strontium 90, totalDAILY MX report only all year
EFF1Methyl tert-butyl ether [MTBE]DAILY MX report only all year
EFF1Polynuclear Aromatic Hydrocarbons [PAHs]DAILY MX report only all year
EFF1Uranium, total [in pci/L]DAILY MX report only all year
EFF1DichlorobromomethaneDAILY MX report only all year
EFF1Carbon tetrachlorideDAILY MX report only all year
EFF11,2-DichloroethaneDAILY MX report only all year
EFF1DibromochloromethaneDAILY MX report only all year
EFF1ChloroformDAILY MX report only all year
EFF1ChloroformDAILY MX report only all year
EFF1TolueneDAILY MX report only all year
EFF1TolueneDAILY MX report only all year
EFF1BenzeneDAILY MX report only all year
EFF1BenzeneDAILY MX report only all year
EFF1AcroleinDAILY MX report only all year
EFF1AcrylonitrileDAILY MX report only all year
EFF1Bis[2-chloroethyl] etherDAILY MX report only all year
EFF1Bis[2-chloroethoxy]methaneDAILY MX report only all year
EFF1Bis[2-chloroisopropyl] etherDAILY MX report only all year
EFF1ChlorobenzeneDAILY MX report only all year
EFF1Diethyl phthalateDAILY MX report only all year
EFF1Diethyl phthalateDAILY MX report only all year
EFF1Dimethyl phthalateDAILY MX report only all year
EFF11,2-DiphenylhydrazineDAILY MX report only all year
EFF1EthylbenzeneDAILY MX report only all year
EFF1FluorantheneDAILY MX report only all year
EFF1HexachlorocyclopentadieneDAILY MX report only all year
EFF1HexachlorobutadieneDAILY MX report only all year
EFF1HexachloroethaneDAILY MX report only all year
EFF1IsophoroneDAILY MX report only all year
EFF1Methylene chlorideDAILY MX report only all year
EFF1N-Nitrosodi-N-propylamineDAILY MX report only all year
EFF1N-NitrosodiphenylamineDAILY MX report only all year
EFF1N-Nitrosodimethylamine [NDMA]DAILY MX report only all year
EFF1NitrobenzeneDAILY MX report only all year
EFF1TetrachloroethyleneDAILY MX report only all year
EFF11,1-DichloroethyleneDAILY MX report only all year
EFF11,1,1-TrichloroethaneDAILY MX report only all year
EFF11,1,2-TrichloroethaneDAILY MX report only all year
EFF11,1,2,2-TetrachloroethaneDAILY MX report only all year
EFF11,4-DichlorobenzeneDAILY MX report only all year
EFF12,4-DinitrotolueneDAILY MX report only all year
EFF12,4-DinitrophenolDAILY MX report only all year
EFF12,4,6-TrichlorophenolDAILY MX report only all year
EFF13,3'-DichlorobenzidineDAILY MX report only all year
EFF1Di[2-ethylhexyl] phthalate [DEHP]DAILY MX report only all year
EFF1Di[2-ethylhexyl] phthalate [DEHP]DAILY MX report only all year
EFF1Di-n-butyl phthalateDAILY MX report only all year
EFF1Di-n-butyl phthalateDAILY MX report only all year
EFF1BenzidineDAILY MX report only all year
EFF1Vinyl chlorideDAILY MX report only all year
EFF1TrichloroethyleneDAILY MX report only all year
EFF1AldrinDAILY MX report only all year
EFF1Chlordane [tech mix. and metabolites]DAILY MX report only all year
EFF1DDT/DDD/DDE, sum of p,p' & o,p' isomersDAILY MX report only all year
EFF1DieldrinDAILY MX report only all year
EFF1Endosulfan, totalMO AVG <= .55 ug/L all year
EFF1Endosulfan, totalDAILY MX <= 1.1 ug/L all year
EFF1Endosulfan, totalINST MAX <= 1.6 ug/L all year
EFF1Endosulfan, totalMO AVG <= .0055 lb/d all year
EFF1Endosulfan, totalDAILY MX <= .011 lb/d all year
EFF1Endosulfan, totalINST MAX <= .016 lb/d all year
EFF1Endosulfan, totalDAILY MX report only all year
EFF1EndrinDAILY MX report only all year
EFF1ToxapheneDAILY MX report only all year
EFF1HeptachlorDAILY MX report only all year
EFF1Heptachlor epoxideDAILY MX report only all year
EFF1HexachlorobenzeneDAILY MX report only all year
EFF1Chlorine, total residualMO AVG <= 120 ug/L all year
EFF1Chlorine, total residualDAILY MX <= 490 ug/L all year
EFF1Chlorine, total residualINST MAX <= 3700 ug/L all year
EFF1Chlorine, total residualMO AVG <= 1.2 lb/d all year
EFF1Chlorine, total residualDAILY MX <= 4.9 lb/d all year
EFF1Chlorine, total residualINST MAX <= 37 lb/d all year
EFF1Chlorine, total residualDAILY MX report only all year
EFF1ChlordaneMO AVG report only all year
EFF1Nitrogen, TotalDAILY MX report only all year
EFF1Nitrogen, Ammonia TotalDAILY MX report only all year
EFF1Nitrogen, Kjeldahl TotalDAILY MX report only all year
EFF1Phosphorus, TotalDAILY MX report only all year
EFF1Polychlorinated biphenyls [PCBs], sum of AroclorsDAILY MX report only all year
EFF1Polychlorinated biphenyls [PCBs], sum of AroclorsDAILY MX report only all year
EFF1EnterococciMO AVG report only all year
EFF1Solids, total dissolvedDAILY MX report only all year
EFF1Mercury, total [as Hg]DAILY MX report only all year
EFF1Mercury, total recoverableDAILY MX report only all year
EFF1Phenols, chlorinatedDAILY MX report only all year
EFF1Coliform, fecal generalMO AVG report only all year
EFF1Coliform, total generalMO AVG report only all year
EFF11,3-DichloropropeneDAILY MX report only all year
EFF1Hexachlorocyclohexane, totalDAILY MX report only all year
EFF1Phenolic compounds, unchlorinatedDAILY MX report only all year
EFF1HalomethanesDAILY MX report only all year
EFF1HalomethanesDAILY MX report only all year
EFF1Alpha gross radioactivityDAILY MX report only all year
EFF1DichlorobenzeneDAILY MX report only all year
EFF1Flow, totalDAILY MX report only all year
EFF1TCDD equivalentsDAILY MX <= .24 pg/L all year
EFF1TCDD equivalentsMO AVG <= .0029 ulb/d all year
EFF1TCDD equivalentsDAILY MX report only all year
EFF1Gross betaDAILY MX report only all year
EFF1PFAS SumDAILY MX report only all year
EFF1%Effect Static 72Hr Chronic Strongylocentrotus purpuratusDAILY MX report only all year
EFF1Pass/Fail Static 72Hr Chronic Strongylocentrotus purpuratusDAILY MX <= 0 pass=0;fail=1 all year
INF1BOD, 5-day, 20 deg. CMO AVG report only all year
INF1BOD, 5-day, 20 deg. CDAILY MX report only all year
INF1pHMO AVG report only all year
INF1pHDAILY MX report only all year
INF1Solids, total suspendedMO AVG report only all year
INF1Solids, total suspendedDAILY MX report only all year
INF1Nitrogen, total [as N]DAILY MX report only all year
INF1Nitrogen, organic total [as N]DAILY MX report only all year
INF1Phosphorus, total [as P]DAILY MX report only all year
INF1Carbon, tot organic [TOC]DAILY MX report only all year
INF1Carbon, tot organic [TOC]MO AVG report only all year
INF1Chromium, total [as Cr]DAILY MX report only all year
INF1Oil and greaseDAILY MX report only all year
INF1Oil and greaseMO AVG report only all year
INF1Tritium, totalDAILY MX report only all year
INF1Radium 226, totalDAILY MX report only all year
INF1Radium 226, totalMO AVG report only all year
INF1Radium 228, totalDAILY MX report only all year
INF1Radium 228, totalMO AVG report only all year
INF1Strontium 90, totalDAILY MX report only all year
INF1Polynuclear Aromatic Hydrocarbons [PAHs]DAILY MX report only all year
INF1Polynuclear Aromatic Hydrocarbons [PAHs]MO AVG report only all year
INF1Uranium, total [in pci/L]MO AVG report only all year
INF1Di[2-ethylhexyl] phthalate [DEHP]DAILY MX report only all year
INF1Di[2-ethylhexyl] phthalate [DEHP]MO AVG report only all year
INF1DDTDAILY MX report only all year
INF1DDTMO AVG report only all year
INF1Endosulfan, totalDAILY MX report only all year
INF1Endosulfan, totalMO AVG report only all year
INF1ChlordaneDAILY MX report only all year
INF1ChlordaneMO AVG report only all year
INF1Nitrogen, Nitrite TotalDAILY MX report only all year
INF1Nitrogen, Nitrate TotalDAILY MX report only all year
INF1Nitrogen, Nitrate TotalMO AVG report only all year
INF1Nitrogen, Kjeldahl TotalDAILY MX report only all year
INF1Polychlorinated biphenyls [PCBs], sum of AroclorsDAILY MX report only all year
INF1Polychlorinated biphenyls [PCBs], sum of AroclorsMO AVG report only all year
INF1Phenolic compounds, totalDAILY MX report only all year
INF1Phenolic compounds, totalMO AVG report only all year
INF1Mercury, total [as Hg]DAILY MX report only all year
INF1FlowDAILY MX report only all year
INF1FlowMO AVG report only all year
INF1Hexachlorocyclohexane, totalDAILY MX report only all year
INF1Hexachlorocyclohexane, totalMO AVG report only all year
INF1Phenolic compounds, unchlorinatedDAILY MX report only all year
INF1HalomethanesDAILY MX report only all year
INF1HalomethanesMO AVG report only all year
INF1Alpha gross radioactivityDAILY MX report only all year
INF1Alpha gross radioactivityMO AVG report only all year
INF1DichlorobenzeneDAILY MX report only all year
INF1DichlorobenzeneMO AVG report only all year
INF1TCDD equivalentsDAILY MX report only all year
INF1Gross betaDAILY MX report only all year
INF1Gross betaMO AVG report only 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