This event is in the past.It took place on May 8, 2026 at Southeast Wastewater Treatment Plant.
Themed TourThemed TourExplore SF’s Wastewater Cleaning Process: Free Tours
At Southeast Wastewater Treatment Plant
Bayview District
Ever wonder where it all ends up? This free two-hour tour pulls back the curtain on SF's wastewater system, following water from drains and storm sewers through the massive treatment process. Surprisingly fascinating for the curious-minded.
Free activity
Educational tour
Family-friendly
Unique experience
Tips
📝registration required at sfpuc.gov
👟wear comfortable walking shoes
📅tours run May through October only
Explore SF’s Wastewater Cleaning Process: Free Tours
At Southeast Wastewater Treatment Plant
Bayview District
Themed TourThemed TourEver wonder where it all ends up? This free two-hour tour pulls back the curtain on SF's wastewater system, following water from drains and storm sewers through the massive treatment process. Surprisingly fascinating for the curious-minded.
Free activity
Educational tour
Family-friendly
Unique experience
Tips
📝registration required at sfpuc.gov
👟wear comfortable walking shoes
📅tours run May through October only
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