Events Calendar

Sunday. 20 July, 2025 - Saturday. 26 July, 2025
Week 30
Tuesday. 22 July, 2025
12:00 am

HWEA/AWWA YP Sand Island WWTP Walking Tour

Please join us for an exclusive walking tour focused entirely on the Future Secondary Treatment – Phase 1 project at the Sand Island Wastewater Treatment Plant. This is a unique opportunity to explore the advanced upgrades transforming Oʻahu's largest wastewater treatment facility!

Limited spots available! Please register now via Google Form: Sand Island Wastewater Treatment Plant Walking Tour