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.
staff welding an i-beam

Sewer System Upgrades

Every day we collect and treat both sewage and stormwater for homes and businesses to protect public health and the environment. Across San Francisco, we are upgrading and modernizing our aging combined sewer system to ensure a reliable, sustainable and seismically safe sewer system now and for generations to come.  


Projects keyboard_arrow_down Resources & Reports keyboard_arrow_down