Explore SF’s Wastewater Cleaning Process: Free Tours

Have you ever wondered what happens to the dirty water from your shower, laundry, and toilet after it goes down the drain? This free tour gives you an inside look at SF’s wastewater cleaning infrastructure and the journey your water takes before it’s returned to the bay. Tours run May through October, so there’s plenty of time to catch one. Perfect for anyone curious about how our city’s essential systems actually work.