Welcome to Pilau Kai – Your Premier Source for Ocean Water Quality Alerts in the Hawaiian Islands

Discover the beauty of Hawaii while staying informed about the quality of its ocean waters with Pilau Kai. We provide real-time, accurate, and comprehensive alerts to ensure you can enjoy the stunning beaches and pristine waters of the Hawaiian Islands safely.

Wastewater Discharge at 5311 Kalanianaole Hwy, O‘ahu

First Detected: 03/25/2026

Sign Removed: --

Wastewater Discharge at Puha Stream and Waimanalo Beach near Puha stream, O‘ahu

First Detected: 03/21/2026

Sign Removed: --

Wastewater Discharge at Ahuimanu stream, O‘ahu

First Detected: 03/21/2026

Sign Removed: --

Wastewater Discharge at Nu'upia Pond, O‘ahu

First Detected: 03/21/2026

Sign Removed: --

Brown Water Advisory, Island of O‘ahu

First Detected: 03/20/2026

Sign Removed: --

Wastewater Discharge at Near 2527 Kalihi Street, O‘ahu

First Detected: 03/18/2026

Sign Removed: --

Brown Water Advisory, Island of Maui

First Detected: 03/17/2026

Sign Removed: --

Wastewater Discharge at Kailua Regional Wastewater Treatment Plant, O‘ahu

First Detected: 03/14/2026

Sign Removed: --

Wastewater Discharge at Kawa Stream near the Kaneohe Tunnel Influent Facility, O‘ahu

First Detected: 03/14/2026

Sign Removed: --

Wastewater Discharge at 111 California Ave, O‘ahu

First Detected: 03/14/2026

Sign Removed: --

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