Clean Water Act discharge permit · NPDES HIF006028
CASTLE HILLS ACCESS ROAD, DRAINAGE IMPROVEMENTS, PROJECT NO. HWY-O-04-98 (1), HI: NPDES HIF006028 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
CASTLE HILLS ACCESS ROAD, DRAINAGE IMPROVEMENTS, PROJECT NO. HWY-O-04-98 (1), held by State of Hawaii, holds NPDES permit HIF006028, which discharges to Kapunahala Stream. EPA’s file records it issued October 9, 2009 and expiring October 21, 2012. 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 | CASTLE HILLS ACCESS ROAD, DRAINAGE IMPROVEMENTS, PROJECT NO. HWY-O-04-98 (1) |
|---|---|
| Permittee as filed | State of Hawaii |
| NPDES ID | HIF006028 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | October 9, 2009 |
| Expiration date | October 21, 2012 |
| Issuing agency | Hawaii Dept of Health, Clean Water Branch |
| Address | HI |
| Receiving water | KAPUNAHALA STREAM |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Heeia Stream-Kaneohe Stream (HUC 200600000205) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 6Pollutants on file
- 6Under a numeric limit
- 6With 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.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| pH | 4 | 14 | 0 | ||
| Flow rate | 2 | 7 | 0 | ||
| Turbidity | 2 | 7 | 0 | ||
| Solids, total suspended | 2 | 7 | 0 | ||
| Oil & Grease | 2 | 7 | 0 | ||
| Flow, total | 2 | 7 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES HIF006028.
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 HIF006028.
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 HIF006028 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.