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Clean Water Act discharge permit · NPDES HIF013326

SAND ISLAND WATER SYSTEM IMPROVEMENTS, HI: NPDES HIF013326 discharge permit, effluent exceedances, inspections, penalties

SAND ISLAND WATER SYSTEM IMPROVEMENTS, held by Honolulu Board of Water Supply, holds NPDES permit HIF013326, which discharges to Honolulu Harbor, Kalihi Channel, Keehi Lagoon. EPA’s file records it issued January 31, 2022 and expiring February 8, 2024.

SAND ISLAND WATER SYSTEM IMPROVEMENTS, Hawaii: Coverage under a general permit HIF013326, held by Honolulu Board of Water Supply; Administratively continued (past its expiration date and still in force until reissued); issued January 31, 2022, term to February 8, 2024, by Hawaii Dept of Health, Clean Water Branch; discharges to HONOLULU HARBOR, KALIHI CHANNEL, KEEHI LAGOON.

Other permits held by Honolulu Board of Water Supply

SAND ISLAND WATER SYSTEM IMPROVEMENTS among its neighbors

EPA’s permit file holds 200 discharge permits in the Waolani Stream subwatershed (HUC 200600000304), HIF013326 among them. Its county holds 417, 2 of them major permits; HIF013326 is a minor permit.

Other permits in the Waolani Stream subwatershed (HUC 200600000304)

What the register holds for SAND ISLAND WATER SYSTEM IMPROVEMENTS: its NPDES ID, its permit type and status, its dates, its address, Hawaii, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES HIF013326.

Identity

Facility as filedSAND ISLAND WATER SYSTEM IMPROVEMENTS
Permittee as filedHonolulu Board of Water Supply
NPDES IDHIF013326
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJanuary 31, 2022
Expiration dateFebruary 8, 2024
Issuing agencyHawaii Dept of Health, Clean Water Branch
AddressHI
Receiving waterHONOLULU HARBOR, KALIHI CHANNEL, KEEHI LAGOON
SubwatershedWaolani Stream (HUC 200600000304)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES HIF013326.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES HIF013326.

Inspections

EPA’s inspection file holds no inspection for NPDES HIF013326.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES HIF013326.

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, HIF013326.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

SAND ISLAND WATER SYSTEM IMPROVEMENTS, filed under Honolulu Board of Water Supply, is one of 267 general permit coverages in Hawaii County, and it shares the Waolani Stream subwatershed with 199 NPDES permits. Among the 267 coverages in the county, 24.7% were issued before this one, and none of the county's general permit coverages carry a violation on file, as recorded at 0.0%.