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Industrial or other facility, Aiea, Hawaii. NPDES permit HI0021951, in force until Feb 28, 2031. Last 12 months: no values over a limit, 14 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Turbidity | annual geometric mean | ≤ 5 NTU | Jan, Feb, Mar, Apr, Nov, Dec |
| Turbidity | annual geometric mean | ≤ 2 NTU | May–Oct |
| Turbidity | daily maximum | ≤ 25 NTU | Jan, Feb, Mar, Apr, Nov, Dec |
| Turbidity | daily maximum | ≤ 10 NTU | May–Oct |
| pH | minimum | ≥ 6 SU | all year |
| pH | maximum | ≤ 8 SU | all year |
| Solids, total suspended | annual geometric mean | ≤ 20 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Solids, total suspended | annual geometric mean | ≤ 10 mg/L | May–Oct |
| Solids, total suspended | daily maximum | ≤ 80 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Solids, total suspended | daily maximum | ≤ 55 mg/L | May–Oct |
| Solids, total suspended | daily maximum | ≤ .4 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| Solids, total suspended | daily maximum | ≤ .4 lb/d | May–Oct |
| Nitrogen, total [as N] | annual geometric mean | ≤ 250 ug/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, total [as N] | annual geometric mean | ≤ 180 ug/L | May–Oct |
| Nitrogen, total [as N] | daily maximum | ≤ 800 ug/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, total [as N] | daily maximum | ≤ 600 ug/L | May–Oct |
| Phosphorus, total [as P] | annual geometric mean | ≤ 50 ug/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Phosphorus, total [as P] | annual geometric mean | ≤ 30 ug/L | May–Sep |
| Phosphorus, total [as P] | daily maximum | ≤ 150 ug/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Phosphorus, total [as P] | daily maximum | ≤ 80 ug/L | May–Sep |
| Cyanide, total [as CN] | daily maximum | report only (ug/L) | all year |
| Arsenic, total recoverable | daily maximum | report only (ug/L) | all year |
| Iron, total recoverable | daily maximum | ≤ 1000 ug/L | all year |
| Selenium, total recoverable | daily maximum | report only (ug/L) | all year |
| Thallium, total recoverable | daily maximum | report only (ug/L) | all year |
| Beryllium, total recoverable [as Be] | daily maximum | report only (ug/L) | all year |
| Chromium, hexavalent [as Cr] | daily maximum | report only (ug/L) | all year |
| Nickel, total recoverable | daily maximum | report only (ug/L) | all year |
| Silver total recoverable | daily maximum | report only (ug/L) | all year |
| Zinc, total recoverable | daily maximum | report only (ug/L) | all year |
| Aluminum, total recoverable | daily maximum | report only (ug/L) | all year |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | all year |
| Lead, total recoverable | daily maximum | report only (ug/L) | all year |
| Copper, total recoverable | daily maximum | report only (ug/L) | all year |
| Antimony, total recoverable | daily maximum | report only (ug/L) | all year |
| 2-Methyl-4,6-dinitrophenol | daily maximum | report only (ug/L) | all year |
| Dichlorobromomethane | daily maximum | report only (ug/L) | all year |
| Carbon tetrachloride | daily maximum | report only (ug/L) | all year |
| 1,2-Dichloroethane | daily maximum | report only (ug/L) | all year |
| Bromoform | daily maximum | report only (ug/L) | all year |
| Chloroform | daily maximum | report only (ug/L) | all year |
| Toluene | daily maximum | report only (ug/L) | all year |
| Benzene | daily maximum | report only (ug/L) | all year |
| Acenaphthene | daily maximum | report only (ug/L) | all year |
| Acrolein | daily maximum | report only (ug/L) | all year |
| Acrylonitrile | daily maximum | report only (ug/L) | all year |
| Anthracene | daily maximum | report only (ug/L) | all year |
| Benzo[b]fluoranthene | daily maximum | report only (ug/L) | all year |
| Benzo[k]fluoranthene | daily maximum | report only (ug/L) | all year |
| Benzo[a]pyrene | daily maximum | report only (ug/L) | all year |
| Bis[2-chloroethyl] ether | daily maximum | report only (ug/L) | all year |
| Bis[2-chloro-1-methylethyl] ether | daily maximum | report only (ug/L) | all year |
| Butyl benzyl phthalate | daily maximum | report only (ug/L) | all year |
| Chlorobenzene | daily maximum | report only (ug/L) | all year |
| Chlorodibromomethane | daily maximum | report only (ug/L) | all year |
| Chrysene | daily maximum | report only (ug/L) | all year |
| Diethyl phthalate | daily maximum | report only (ug/L) | all year |
| Dimethyl phthalate | daily maximum | report only (ug/L) | all year |
| 1,2-Diphenylhydrazine | daily maximum | report only (ug/L) | all year |
| Endosulfan sulfate | daily maximum | report only (ug/L) | all year |
| .beta.-Endosulfan | daily maximum | report only (ug/L) | all year |
| .alpha.-Endosulfan | daily maximum | report only (ug/L) | all year |
| Endrin aldehyde | daily maximum | report only (ug/L) | all year |
| Ethylbenzene | daily maximum | report only (ug/L) | all year |
| Fluoranthene | daily maximum | report only (ug/L) | all year |
| Fluorene | daily maximum | report only (ug/L) | all year |
| Hexachlorocyclopentadiene | daily maximum | report only (ug/L) | all year |
| Hexachlorobutadiene | daily maximum | report only (ug/L) | all year |
| Hexachloroethane | daily maximum | report only (ug/L) | all year |
| Indeno[1,2,3-cd]pyrene | daily maximum | report only (ug/L) | all year |
| Isophorone | daily maximum | report only (ug/L) | all year |
| Methyl bromide [Bromomethane] | daily maximum | report only (ug/L) | all year |
| Methylene chloride | daily maximum | report only (ug/L) | all year |
| N-Nitrosodi-N-propylamine | daily maximum | report only (ug/L) | all year |
| N-Nitrosodiphenylamine | daily maximum | report only (ug/L) | all year |
| N-Nitrosodimethylamine [NDMA] | daily maximum | report only (ug/L) | all year |
| Nitrobenzene | daily maximum | report only (ug/L) | all year |
| Pyrene | daily maximum | report only (ug/L) | all year |
| Tetrachloroethylene | daily maximum | report only (ug/L) | all year |
| 1,1-Dichloroethylene | daily maximum | report only (ug/L) | all year |
| 1,1,1-Trichloroethane | daily maximum | report only (ug/L) | all year |
| 1,1,2-Trichloroethane | daily maximum | report only (ug/L) | all year |
| 1,1,2,2-Tetrachloroethane | daily maximum | report only (ug/L) | all year |
| Benzo[a]anthracene | daily maximum | report only (ug/L) | all year |
| 1,2-Dichlorobenzene | daily maximum | report only (ug/L) | all year |
| 1,2-Dichloropropane | daily maximum | report only (ug/L) | all year |
| trans-1,2-Dichloroethylene | daily maximum | report only (ug/L) | all year |
| 1,2,4-Trichlorobenzene | daily maximum | report only (ug/L) | all year |
| Dibenz[a,h]anthracene | daily maximum | report only (ug/L) | all year |
| 1,3-Dichlorobenzene | daily maximum | report only (ug/L) | all year |
| 1,4-Dichlorobenzene | daily maximum | report only (ug/L) | all year |
| 2-Chloronaphthalene | daily maximum | report only (ug/L) | all year |
| 2-Chlorophenol | daily maximum | report only (ug/L) | all year |
| 2,4-Dichlorophenol | daily maximum | report only (ug/L) | all year |
| 2,4-Dimethylphenol | daily maximum | report only (ug/L) | all year |
| 2,4-Dinitrotoluene | daily maximum | report only (ug/L) | all year |
| 2,4-Dinitrophenol | daily maximum | report only (ug/L) | all year |
| 2,4,6-Trichlorophenol | daily maximum | report only (ug/L) | all year |
| 3,3'-Dichlorobenzidine | daily maximum | report only (ug/L) | all year |
| 2,3,7,8-Tetrachlorodibenzo-p-dioxin | daily maximum | report only (ug/L) | all year |
| Phenol | daily maximum | report only (ug/L) | all year |
| Naphthalene | daily maximum | report only (ug/L) | all year |
| Chlorpyrifos | daily maximum | report only (ug/L) | all year |
| Pentachlorophenol | daily maximum | report only (ug/L) | all year |
| 2,4,5-TP[silvex] acids/salts, whole water sample | daily maximum | report only (ug/L) | all year |
| Di[2-ethylhexyl] phthalate [DEHP] | daily maximum | report only (ug/L) | all year |
| Di-n-butyl phthalate | daily maximum | report only (ug/L) | all year |
| Benzidine | daily maximum | report only (ug/L) | all year |
| Vinyl chloride | daily maximum | report only (ug/L) | all year |
| Trichloroethylene | daily maximum | report only (ug/L) | all year |
| 4,4'-DDT | daily maximum | report only (ug/L) | all year |
| 4,4'-DDD | daily maximum | report only (ug/L) | all year |
| 4,4'-DDE | daily maximum | report only (ug/L) | all year |
| Aldrin | daily maximum | report only (ug/L) | all year |
| .alpha.-BHC | daily maximum | report only (ug/L) | all year |
| .beta.-BHC | daily maximum | report only (ug/L) | all year |
| .gamma.-BHC | daily maximum | report only (ug/L) | all year |
| Chlordane [tech mix. and metabolites] | daily maximum | report only (ug/L) | all year |
| Dieldrin | daily maximum | report only (ug/L) | all year |
| Endrin | daily maximum | report only (ug/L) | all year |
| Toxaphene | daily maximum | report only (ug/L) | all year |
| Heptachlor | daily maximum | report only (ug/L) | all year |
| Heptachlor epoxide | daily maximum | report only (ug/L) | all year |
| Methoxychlor | daily maximum | report only (ug/L) | all year |
| Malathion | daily maximum | report only (ug/L) | all year |
| Parathion | daily maximum | report only (ug/L) | all year |
| Demeton | daily maximum | report only (ug/L) | all year |
| Guthion | daily maximum | report only (ug/L) | all year |
| Hexachlorobenzene | daily maximum | report only (ug/L) | all year |
| 2,4-Dichlorophenoxyacetic acid | daily maximum | report only (ug/L) | all year |
| Mirex | daily maximum | report only (ug/L) | all year |
| Flow, in conduit or thru treatment plant | annual geometric mean | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Chlorine, total residual | daily maximum | report only (ug/L) | all year |
| 2,3,5,6-Tetrachlorophenol | daily maximum | report only (ug/L) | all year |
| 2,4,5-Trichlorophenol | daily maximum | report only (ug/L) | all year |
| 4-Chloro-3-methylphenol | daily maximum | report only (ug/L) | all year |
| Mercury, total recoverable | daily maximum | report only (ug/L) | all year |
| 1,3-Dichloropropene | daily maximum | report only (ug/L) | all year |
| 1,2,4,5-Tetrachlorobenzene | daily maximum | report only (ug/L) | all year |
| Pentachlorobenzene | daily maximum | report only (ug/L) | all year |
| N-Nitrosodiethylamine | daily maximum | report only (ug/L) | all year |
| N-Nitrosopyrrolidine | daily maximum | report only (ug/L) | all year |
| N-Nitrosodibutylamine | daily maximum | report only (ug/L) | all year |
| Pentachloroethane | daily maximum | report only (ug/L) | all year |
Cited limits by parameter: Hawaii'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/HI0021951 · MCP: https://passage-data.com/mcp