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Shellfish, Kekaha, Hawaii. NPDES permit HI0021654, in force until Jan 31, 2030. Last 12 months: over a limit 5 times (last August 2026), 3 required values missing, 3 of 16 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| December 2025 | Nitrogen, total [as N], daily maximum | 3600 ug/L | ≤ 3000 ug/L | 20% |
| February 2026 | Nitrogen, total [as N], daily maximum | 3500 ug/L | ≤ 3000 ug/L | 17% |
| May 2026 | BOD, 5-day, 20 deg. C, daily maximum | 19 mg/L | ≤ 15 mg/L | 27% |
| June 2026 | BOD, 5-day, 20 deg. C, daily maximum | 18 mg/L | ≤ 15 mg/L | 20% |
| August 2026 | BOD, 5-day, 20 deg. C, daily maximum | 23 mg/L | ≤ 15 mg/L | 53% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Turbidity | daily maximum | ≤ 15 NTU | all year |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 15 mg/L | all year |
| pH | daily minimum | ≥ 7 SU | all year |
| pH | daily maximum | ≤ 8.6 SU | all year |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year |
| Nitrogen, total [as N] | daily maximum | ≤ 3000 ug/L | all year |
| Phosphorus, total [as P] | daily maximum | ≤ 450 ug/L | all year |
| Cyanide, total [as CN] | daily maximum | report only (ug/L) | all year |
| Arsenic, total recoverable | daily maximum | report only (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 | monthly average | ≤ 4646 ug/L | all year |
| Nickel, total recoverable | daily maximum | ≤ 75.75 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 | ≤ 3.49 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 |
| Tributyltin | daily maximum | report only (ug/L) | all year |
| Carbon tetrachloride | 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 |
| 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 |
| 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 |
| Ethylbenzene | daily maximum | report only (ug/L) | all year |
| Fluoranthene | 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 |
| Isophorone | 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 |
| 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 |
| 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 |
| 2,4,6-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 |
| 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 |
| 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 |
| 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 |
| Mirex | daily maximum | report only (ug/L) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ 20 MGD | all year |
| Chlorine, total residual | daily maximum | report only (ug/L) | all year |
| Nitrogen, ammonia total [as NH4] | daily maximum | ≤ 700 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 |
| Tetrachloroethene | daily maximum | report only (ug/L) | all year |
| Pentachloroethane | daily maximum | report only (ug/L) | all year |
| Dichloroethane | daily maximum | report only (ug/L) | all year |
| Pass/Fail Static 20 Minute Fertilization Chronic Tripneustes gratilla | value | report only (pass=0;fail=1) | 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/HI0021654 · MCP: https://passage-data.com/mcp