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.

message View Details

Vista Grande Drainage Basin Improvement Project


In coordination with the City of Daly City, the project will divert stormwater from the Vista Grande Watershed to South Lake Merced and better manage stormwater transport to the Pacific Ocean to increase Lake levels, improve stormwater quality, and help restore the Lake Merced Drainage Basin’s natural hydrology. 

Current Schedule 
Project California Environmental Quality Act Review (EIR/EIS) was completed in September 2016, 100% Design was completed in December 2020. Project team is currently working on permitting and project funding. Bid and Award is currently anticipated to commence in late 2022, with construction commencing in Summer 2023.

  • Construction Start: Estimated to Start summer 2023
  • Contruction End: TBD
  • Project Phase: Planning