Clean Water Act discharge permit · NPDES HI0021957
KAHE GENERATING STATION (1), Kapolei, HI: NPDES HI0021957 discharge permit, effluent exceedances, inspections, penalties
- PendingPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
KAHE GENERATING STATION (1), held by Hawaiian Electric Company, Inc., holds NPDES permit HI0021957, which discharges to Pacific Ocean. EPA’s file records it issued August 26, 2026 and expiring September 30, 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 KAHE GENERATING STATION (1): its NPDES ID, its permit type and status, its dates, its address in Kapolei, Hawaii, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES HI0021957.
Identity
| Facility as filed | KAHE GENERATING STATION (1) |
|---|---|
| Permittee as filed | Hawaiian Electric Company, Inc. |
| NPDES ID | HI0021957 |
| Permit status | Pending |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Industrial stormwater |
| Issued | August 26, 2026 |
| Expiration date | September 30, 2031 |
| Issuing agency | Hawaii Dept of Health, Clean Water Branch |
| Address | Kapolei, HI 96707 |
| Receiving water | Pacific Ocean |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES HI0021957.
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 HI0021957.
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, HI0021957.
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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 HI0021957 there.
Nearby on the register
- Discharge permits in Kapolei
- Every permit record in Kapolei, 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.