Clean Water Act discharge permit · NPDES HI0020630
WAIKIKI AQUARIUM, Honolulu, HI: NPDES HI0020630 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 12Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
WAIKIKI AQUARIUM, held by University of Hawaii, holds NPDES permit HI0020630, which discharges to Pacific Ocean. EPA’s file records it issued October 4, 2006 and expiring November 30, 2010. 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.
Identity
| Facility as filed | WAIKIKI AQUARIUM |
|---|---|
| Permittee as filed | University of Hawaii |
| NPDES ID | HI0020630 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | October 4, 2006 |
| Expiration date | November 30, 2010 |
| Issuing agency | Hawaii Dept of Health, Clean Water Branch |
| Address | Honolulu, HI 96815 |
| Receiving water | PACIFIC OCEAN |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 12Pollutants on file
- 12Under a numeric limit
- 8With a violation of any kind
- 8With 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.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Turbidity | 2 | 40 | 40 | May 31, 2021 | |
| Nitrite + Nitrate total [as N] | 2 | 28 | 28 | October 31, 2017 | 159% over the limit |
| Chlorophyll A | 2 | 15 | 15 | March 31, 2021 | 778% over the limit |
| Nitrogen, ammonia total [as NH4] | 2 | 8 | 8 | January 31, 2017 | 568% over the limit |
| Solids, total suspended | 4 | 3 | 3 | September 30, 2016 | 116% over the limit |
| Nitrogen, total [as N] | 2 | 2 | 2 | September 30, 2017 | 134% over the limit |
| Enterococci | 2 | 1 | 1 | March 31, 2007 | 77% over the limit |
| Chlorine, total residual | 1 | 1 | 1 | June 30, 2013 | 250% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 0 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Phosphorus, total [as P] | 2 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 0 | 0 |
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 HI0020630.
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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, HI0020630.
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How we handle your data → Privacy
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 HI0020630 there.
Nearby on the register
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- Discharge permits in Hawaii
- Every permit record in Hawaii, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.