Clean Water Act discharge permit · NPDES HI0021644
HAWAII INSTITUTE OF MARINE BIOLOGY, Kaneohe, HI: NPDES HI0021644 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
HAWAII INSTITUTE OF MARINE BIOLOGY, held by University of Hawaii at Manoa, holds NPDES permit HI0021644, which discharges to Kaneohe, Kaneohe Bay. EPA’s file records it issued April 22, 2009 and expiring September 30, 2013. 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 | HAWAII INSTITUTE OF MARINE BIOLOGY |
|---|---|
| Permittee as filed | University of Hawaii at Manoa |
| NPDES ID | HI0021644 |
| 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 | April 22, 2009 |
| Expiration date | September 30, 2013 |
| Issuing agency | Hawaii Dept of Health, Clean Water Branch |
| Address | Kaneohe, HI 96744 |
| Receiving water | KANEOHE, KANEOHE BAY |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 9Pollutants on file
- 9Under a numeric limit
- 7With a violation of any kind
- 6With 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 |
|---|---|---|---|---|---|
| Nitrite + Nitrate total [as N] | 40 | 51 | 51 | June 30, 2020 | 1,357% over the limit |
| Nitrogen, ammonia total [as NH4] | 40 | 36 | 35 | December 31, 2018 | 4,250% over the limit |
| Phosphorus, total [as P] | 40 | 27 | 26 | June 30, 2019 | 220% over the limit |
| Nitrogen, total [as N] | 40 | 25 | 25 | December 31, 2018 | 286% over the limit |
| Turbidity | 40 | 10 | 10 | December 31, 2021 | |
| pH | 40 | 6 | 5 | March 31, 2011 | |
| Flow, in conduit or thru treatment plant | 40 | 1 | 0 | ||
| Salinity | 40 | 0 | 0 | ||
| Chlorophyll A | 40 | 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 HI0021644.
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, HI0021644.
Start the watch
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- One state — $4,990/year
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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 HI0021644 there.
Nearby on the register
- Discharge permits in Kaneohe
- Every permit record in Kaneohe, 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.