Clean Water Act discharge permit · NPDES HI0021954
C&CH HONOULIULI WWTP, Ewa Beach, HI: NPDES HI0021954 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 132Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
C&CH HONOULIULI WWTP, held by City and County of Honolulu, Department of Environmental Services, holds NPDES permit HI0021954. EPA’s file records it issued April 23, 2026 and expiring May 31, 2031. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
What the register holds for C&CH HONOULIULI WWTP: its NPDES ID, its permit type and status, its dates, its address in Ewa Beach, Hawaii, and 132 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES HI0021954.
Identity
| Facility as filed | C&CH HONOULIULI WWTP |
|---|---|
| Permittee as filed | City and County of Honolulu, Department of Environmental Services |
| NPDES ID | HI0021954 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | April 23, 2026 |
| Expiration date | May 31, 2031 |
| Issuing agency | Hawaii Dept of Health, Clean Water Branch |
| Address | Ewa Beach, HI 96706 |
| Subwatershed | Kaloi Gulch (HUC 200600000405) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 132Pollutants on file
- 132Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant; the 60 with the most exceedances of 132 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 12 | 0 | 0 | ||
| Solids, total suspended | 12 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 6 | 0 | 0 | ||
| pH | 4 | 0 | 0 | ||
| Enterococci | 4 | 0 | 0 | ||
| Cyanide, total [as CN] | 1 | 0 | 0 | ||
| Arsenic, total recoverable | 1 | 0 | 0 | ||
| Selenium, total recoverable | 1 | 0 | 0 | ||
| Thallium, total recoverable | 1 | 0 | 0 | ||
| Beryllium, total recoverable [as Be] | 1 | 0 | 0 | ||
| Chromium, hexavalent [as Cr] | 1 | 0 | 0 | ||
| Nickel, total recoverable | 1 | 0 | 0 | ||
| Silver total recoverable | 1 | 0 | 0 | ||
| Zinc, total recoverable | 1 | 0 | 0 | ||
| Aluminum, total recoverable | 1 | 0 | 0 | ||
| Cadmium, total recoverable | 1 | 0 | 0 | ||
| Lead, total recoverable | 1 | 0 | 0 | ||
| Copper, total recoverable | 1 | 0 | 0 | ||
| Antimony, total recoverable | 1 | 0 | 0 | ||
| 2-Methyl-4,6-dinitrophenol | 1 | 0 | 0 | ||
| Dichlorobromomethane | 1 | 0 | 0 | ||
| Carbon tetrachloride | 1 | 0 | 0 | ||
| 1,2-Dichloroethane | 1 | 0 | 0 | ||
| Bromoform | 1 | 0 | 0 | ||
| Chloroform | 1 | 0 | 0 | ||
| Toluene | 1 | 0 | 0 | ||
| Benzene | 1 | 0 | 0 | ||
| Acenaphthene | 1 | 0 | 0 | ||
| Acrolein | 1 | 0 | 0 | ||
| Acrylonitrile | 1 | 0 | 0 | ||
| Anthracene | 1 | 0 | 0 | ||
| Benzo[b]fluoranthene | 1 | 0 | 0 | ||
| Benzo[k]fluoranthene | 1 | 0 | 0 | ||
| Benzo[a]pyrene | 1 | 0 | 0 | ||
| Bis[2-chloroethyl] ether | 1 | 0 | 0 | ||
| Bis[2-chloro-1-methylethyl] ether | 1 | 0 | 0 | ||
| Butyl benzyl phthalate | 1 | 0 | 0 | ||
| Chlorobenzene | 1 | 0 | 0 | ||
| Chlorodibromomethane | 1 | 0 | 0 | ||
| Chrysene | 1 | 0 | 0 | ||
| Diethyl phthalate | 1 | 0 | 0 | ||
| Dimethyl phthalate | 1 | 0 | 0 | ||
| 1,2-Diphenylhydrazine | 1 | 0 | 0 | ||
| Endosulfan sulfate | 1 | 0 | 0 | ||
| .beta.-Endosulfan | 1 | 0 | 0 | ||
| .alpha.-Endosulfan | 1 | 0 | 0 | ||
| Endrin aldehyde | 1 | 0 | 0 | ||
| Ethylbenzene | 1 | 0 | 0 | ||
| Fluoranthene | 1 | 0 | 0 | ||
| Fluorene | 1 | 0 | 0 | ||
| Hexachlorocyclopentadiene | 1 | 0 | 0 | ||
| Hexachlorobutadiene | 1 | 0 | 0 | ||
| Hexachloroethane | 1 | 0 | 0 | ||
| Indeno[1,2,3-cd]pyrene | 1 | 0 | 0 | ||
| Isophorone | 1 | 0 | 0 | ||
| Methyl bromide [Bromomethane] | 1 | 0 | 0 | ||
| Methylene chloride | 1 | 0 | 0 | ||
| N-Nitrosodi-N-propylamine | 1 | 0 | 0 | ||
| N-Nitrosodiphenylamine | 1 | 0 | 0 | ||
| N-Nitrosodimethylamine [NDMA] | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES HI0021954.
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES HI0021954.
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID HI0021954 there.
Nearby on the register
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- Every permit record in Ewa Beach, A to Z
- Discharge permits in Hawaii
- Every permit record in Hawaii, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.