City and County of Honolulu, Department of Environmental Services

NPDES permit HI0021954 · Minor POTW · effective, expires 2031-05-31 · 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

0values over a limit
0required values missing, on 0 form(s)
2of 4 forms filed late

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

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 (165)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 9507.6 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 14261.4 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 9507.6 lb/d all year
001Solids, total suspendedWKLY AVG <= 14261.4 lb/d all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedDAILY MX report only all year
001Cyanide, total [as CN]DAILY MX report only all year
001Arsenic, total recoverableDAILY MX report only all year
001Selenium, total recoverableDAILY MX report only all year
001Thallium, total recoverableDAILY MX report only all year
001Beryllium, total recoverable [as Be]DAILY MX report only all year
001Chromium, hexavalent [as Cr]DAILY MX report only all year
001Nickel, total recoverableDAILY MX report only all year
001Silver total recoverableDAILY MX report only all year
001Zinc, total recoverableDAILY MX report only all year
001Aluminum, total recoverableDAILY MX report only all year
001Cadmium, total recoverableDAILY MX report only all year
001Lead, total recoverableDAILY MX report only all year
001Copper, total recoverableDAILY MX report only all year
001Antimony, total recoverableDAILY MX report only all year
0012-Methyl-4,6-dinitrophenolDAILY MX report only all year
001DichlorobromomethaneDAILY MX report only all year
001Carbon tetrachlorideDAILY MX report only all year
0011,2-DichloroethaneDAILY MX report only all year
001BromoformDAILY MX report only all year
001ChloroformDAILY MX report only all year
001TolueneDAILY MX report only all year
001BenzeneDAILY MX report only all year
001AcenaphtheneDAILY MX report only all year
001AcroleinDAILY MX report only all year
001AcrylonitrileDAILY MX report only all year
001AnthraceneDAILY MX report only all year
001Benzo[b]fluorantheneDAILY MX report only all year
001Benzo[k]fluorantheneDAILY MX report only all year
001Benzo[a]pyreneDAILY MX report only all year
001Bis[2-chloroethyl] etherDAILY MX report only all year
001Bis[2-chloro-1-methylethyl] etherDAILY MX report only all year
001Butyl benzyl phthalateDAILY MX report only all year
001ChlorobenzeneDAILY MX report only all year
001ChlorodibromomethaneDAILY MX report only all year
001ChryseneDAILY MX report only all year
001Diethyl phthalateDAILY MX report only all year
001Dimethyl phthalateDAILY MX report only all year
0011,2-DiphenylhydrazineDAILY MX report only all year
001Endosulfan sulfateDAILY MX report only all year
001.beta.-EndosulfanDAILY MX report only all year
001.alpha.-EndosulfanDAILY MX report only all year
001Endrin aldehydeDAILY MX report only all year
001EthylbenzeneDAILY MX report only all year
001FluorantheneDAILY MX report only all year
001FluoreneDAILY MX report only all year
001HexachlorocyclopentadieneDAILY MX report only all year
001HexachlorobutadieneDAILY MX report only all year
001HexachloroethaneDAILY MX report only all year
001Indeno[1,2,3-cd]pyreneDAILY MX report only all year
001IsophoroneDAILY MX report only all year
001Methyl bromide [Bromomethane]DAILY MX report only all year
001Methylene chlorideDAILY MX report only all year
001N-Nitrosodi-N-propylamineDAILY MX report only all year
001N-NitrosodiphenylamineDAILY MX report only all year
001N-Nitrosodimethylamine [NDMA]DAILY MX report only all year
001NitrobenzeneDAILY MX report only all year
001PyreneDAILY MX report only all year
001TetrachloroethyleneDAILY MX report only all year
0011,1-DichloroethyleneDAILY MX report only all year
0011,1,1-TrichloroethaneDAILY MX report only all year
0011,1,2-TrichloroethaneDAILY MX report only all year
0011,1,2,2-TetrachloroethaneDAILY MX report only all year
001Benzo[a]anthraceneDAILY MX report only all year
0011,2-DichlorobenzeneDAILY MX report only all year
0011,2-DichloropropaneDAILY MX report only all year
001trans-1,2-DichloroethyleneDAILY MX report only all year
0011,2,4-TrichlorobenzeneDAILY MX report only all year
001Dibenz[a,h]anthraceneDAILY MX report only all year
0011,3-DichlorobenzeneDAILY MX report only all year
0011,4-DichlorobenzeneDAILY MX report only all year
0012-ChloronaphthaleneDAILY MX report only all year
0012-ChlorophenolDAILY MX report only all year
0012,4-DichlorophenolDAILY MX report only all year
0012,4-DimethylphenolDAILY MX report only all year
0012,4-DinitrotolueneDAILY MX report only all year
0012,4-DinitrophenolDAILY MX report only all year
0012,4,6-TrichlorophenolDAILY MX report only all year
0013,3'-DichlorobenzidineDAILY MX report only all year
0012,3,7,8-Tetrachlorodibenzo-p-dioxinDAILY MX report only all year
001PhenolDAILY MX report only all year
001NaphthaleneDAILY MX report only all year
001ChlorpyrifosDAILY MX report only all year
001PentachlorophenolDAILY MX report only all year
0012,4,5-TP[silvex] acids/salts, whole water sampleDAILY MX report only all year
001Di[2-ethylhexyl] phthalate [DEHP]DAILY MX report only all year
001Di-n-butyl phthalateDAILY MX report only all year
001BenzidineDAILY MX report only all year
001Vinyl chlorideDAILY MX report only all year
001TrichloroethyleneDAILY MX report only all year
0014,4'-DDTDAILY MX report only all year
0014,4'-DDDDAILY MX report only all year
0014,4'-DDEDAILY MX report only all year
001AldrinDAILY MX report only all year
001.alpha.-BHCDAILY MX report only all year
001.beta.-BHCDAILY MX report only all year
001.gamma.-BHCDAILY MX report only all year
001Chlordane [tech mix. and metabolites]DAILY MX report only all year
001DieldrinDAILY MX report only all year
001EndrinDAILY MX report only all year
001ToxapheneDAILY MX report only all year
001HeptachlorDAILY MX report only all year
001Heptachlor epoxideDAILY MX report only all year
001MethoxychlorDAILY MX report only all year
001MalathionDAILY MX report only all year
001ParathionDAILY MX report only all year
001DemetonDAILY MX report only all year
001GuthionDAILY MX report only all year
001HexachlorobenzeneDAILY MX report only all year
0012,4-Dichlorophenoxyacetic acidDAILY MX report only all year
001MirexDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantWKLY AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualDAILY MX report only all year
0012,3,5,6-TetrachlorophenolDAILY MX report only all year
0012,4,5-TrichlorophenolDAILY MX report only all year
001EnterococciGEO MEAN <= 17115 CFU/100mL all year
001EnterococciGEO MEAN <= 898087 CFU/100mL all year
001EnterococciMW <= 26910 CFU/100mL all year
001EnterococciMW <= 1155089 CFU/100mL all year
0014-Chloro-3-methylphenolDAILY MX report only all year
001Mercury, total recoverableDAILY MX report only all year
0011,3-DichloropropeneDAILY MX report only all year
0011,2,4,5-TetrachlorobenzeneDAILY MX report only all year
001PentachlorobenzeneDAILY MX report only all year
001N-NitrosodiethylamineDAILY MX report only all year
001N-NitrosopyrrolidineDAILY MX report only all year
001N-NitrosodibutylamineDAILY MX report only all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001PentachloroethaneDAILY MX report only all year
001Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MX < 1 pass=0;fail=1 all year
001Pass/Fail Static Renewal 7 Day Chronic Atherinops affinisDAILY MX < 1 pass=0;fail=1 all year
001Pass/Fail Static 20 Minute Fertilization Chronic Tripneustes gratillaDAILY MX < 1 pass=0;fail=1 all year
INFBOD, 5-day, 20 deg. CDAILY MX report only all year
INFBOD, 5-day, 20 deg. CMO AVG report only all year
INFBOD, 5-day, 20 deg. CWKLY AVG report only all year
INFBOD, 5-day, 20 deg. CDAILY MX report only all year
INFBOD, 5-day, 20 deg. CMO AVG report only all year
INFBOD, 5-day, 20 deg. CWKLY AVG report only all year
INFpHMINIMUM report only all year
INFpHMAXIMUM report only all year
INFSolids, total suspendedDAILY MX report only all year
INFSolids, total suspendedMO AVG report only all year
INFSolids, total suspendedWKLY AVG report only all year
INFSolids, total suspendedDAILY MX report only all year
INFSolids, total suspendedMO AVG report only all year
INFSolids, total suspendedWKLY AVG report only all year
INFFlow, in conduit or thru treatment plantDAILY MX report only all year
INFFlow, in conduit or thru treatment plantMO AVG report only all year
INFFlow, in conduit or thru treatment plantWKLY 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