Clean Water Act discharge permit · NPDES HI0020346
YACHT HARBOR TOWERS AOUO, Honolulu, HI: NPDES HI0020346 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
YACHT HARBOR TOWERS AOUO, held by Yacht Harbor Towers Association of Unit Owners, holds NPDES permit HI0020346, which discharges to Ala Wai Canal. EPA’s file records it issued August 5, 2019 and expiring September 30, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | YACHT HARBOR TOWERS AOUO |
|---|---|
| Permittee as filed | Yacht Harbor Towers Association of Unit Owners |
| NPDES ID | HI0020346 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | August 5, 2019 |
| Expiration date | September 30, 2024 |
| Issuing agency | Hawaii Dept of Health, Clean Water Branch |
| Address | Honolulu, HI 96815 |
| Receiving water | ALA WAI CANAL |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 10Pollutants on file
- 6Under a numeric limit
- 10With 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 |
|---|---|---|---|---|---|
| Temperature, water deg. centigrade | 2 | 84 | 67 | May 31, 2025 | 2,330% over the limit |
| Solids, total suspended | 0 | 44 | 43 | December 31, 2015 | 190% over the limit |
| Temperature, water deg. fahrenheit | 0 | 31 | 31 | September 30, 2019 | 7% over the limit |
| pH | 2 | 4 | 2 | June 30, 2011 | |
| Oil and grease | 0 | 2 | 2 | June 30, 2007 | 108% over the limit |
| Oil & Grease | 0 | 2 | 1 | February 28, 2017 | 15% over the limit |
| Phosphorus, total [as P] | 2 | 9 | 0 | ||
| Nitrogen, total [as N] | 2 | 2 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 2 | 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 HI0020346.
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, HI0020346.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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 HI0020346 there.
Nearby on the register
- Discharge permits in Honolulu
- Every permit record in Honolulu, A to Z
- Discharge permits in Hawaii
- Every permit record in Hawaii, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.