Active Alerts

If you are experiencing a water, power, or sewer emergency or service problem call our 24-hour hotline at 3-1-1 or (415) 701-2311 from outside SF or log on at Learn more or review active service alerts.

Sewer System

You can rely on our high-tech wastewater treatment systems, which handle wastewater for thousands of San Francisco residents every day and help keep pollutants out of our beautiful bay and ocean. Learn how we treat wastewater safely and responsibly.