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Clean Water Act discharge permit · NPDES HIF014773

WAIANAE WASTEWATER TREATMENT PLANT, Waianae, HI: NPDES HIF014773 discharge permit, effluent exceedances, inspections, penalties

WAIANAE WASTEWATER TREATMENT PLANT, held by City and County of Honolulu, Department of Facility Maintenance, holds NPDES permit HIF014773. EPA’s file records it issued August 11, 2025 and expiring January 14, 2027. 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 WAIANAE WASTEWATER TREATMENT PLANT: its NPDES ID, its permit type and status, its dates, its address in Waianae, Hawaii. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES HIF014773.

Identity

Facility as filedWAIANAE WASTEWATER TREATMENT PLANT
Permittee as filedCity and County of Honolulu, Department of Facility Maintenance
NPDES IDHIF014773
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedAugust 11, 2025
Expiration dateJanuary 14, 2027
Issuing agencyHawaii Dept of Health, Clean Water Branch
AddressWaianae, HI 96792
Receiving water impaired303(D) Listed
SubwatershedMailiili Stream (HUC 200600000503)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES HIF014773.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES HIF014773.

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, HIF014773.

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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 HIF014773 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

In Waianae, 0.0% of the 11 general permit coverages have a violation on file. WAIANAE WASTEWATER TREATMENT PLANT is included among those 11 coverages on EPA's NPDES register. The Mailiili Stream subwatershed holds 31 NPDES permits counting this permit, and 45.5% of the Waianae coverages were issued before it.