Active Alerts

Flood and high wind watch for San Francisco. 

For your safety, avoid driving or walking through standing water at all cost.
Please be cautious of manhole covers that may have been dislodged. Report dislodged manhole covers to @SF311. 

Emergency Operations Center (EOC) Activated

The City has activated the Emergency Operations Center (EOC) to coordinate citywide operations, such as clearing storm drains, responding to hill slides, distributing sandbags, and ensuring residents are informed.
Report non-life-threating storm issues to 311, such as:

  • Clogged catch basins
  • Non-life-threatening street and residential flooding
  • Sewer backups or wastewater odors
  • Downed trees

Read more about what to do before and during the storm.

Stay safe and avoid unnecessary travel.

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Pretreatment

We strive to protect the City’s sewer infrastructure, the health of our communities, and our environment by implementing processes, guidelines, and best practices for commercial and industrial customers in order to remove pollutants from wastewater before they are discharged into our sewer system.

SFPUC employee filling out paperwork

Wastewater Discharge Permits

Learn more about wastewater discharge permits for industrial and commercial properties.

tractor marks in the sand

Construction Site Runoff

We require that construction sites implement best practices to reduce runoff and debris from getting into and damaging our sewer system or polluting our environment.

fats, oils and grease control inspector doing commercial kitchen inspection

Fats, Oils & Grease (FOG) Control

We provide clear guidelines to restaurants and food service establishments to install and maintain grease-capturing devices to help prevent these pollutants from entering or clogging our sewer system.

man in lab coat washing hands

Dental Mercury

We have requirements for and provide permits to dental facilities to follow best practices and install and maintain equipment to reduce their discharge of dental mercury into our sewer system.