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Wawona and Vicente Street Stormwater and Water Main Replacement

Essential Construction and Field Work Continues 
You may see our field or construction crews at work maintaining, repairing and upgrading our essential infrastructure. We are making sure they do so as safely as possible. We ask the public to please maintain proper social distance from our crews as they work.

Here are key resources on what you can do to protect yourself and others. New information is posted as it becomes available: 
  • San Francisco’s Resource Page: sf.gov/coronavirus.
  • sfwater.org includes Covid-19 updates and resources for your water, power and sewer services. 


  Project Materials 
 
   
Fact Sheet
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Project Purpose and Need

The San Francisco Public Utilities Commission (SFPUC) operates a
combined sewer system that collects and treats San Francisco’s wastewater (sewage and stormwater). Our Sewer System Improvement Program (SSIP) is upgrading and modernizing our system to ensure we can continue to protect public health and the environment now and into the future.

The intersection of 15th and Wawona does not meet the citywide design standards for stormwater management and has been susceptible to flooding associated with moderate and heavy storms. The Wawona Area Stormwater Improvement and Vicente Water Main Replacement project will bring this area up to the citywide design standard for stormwater management and reduce the risk of flooding in the area of 15th Avenue and Wawona Street. This project will install a new sewer pipe under Vicente Street, from Wawona Street to 34th Avenue. The project will also replace the aging water transmission and distribution mains on Wawona Street, 15th Avenue, and on Vicente Street west of 19th Avenue.

To minimize disruption from construction and staging to the surrounding community, the SFPUC is coordinating with other large projects in the area including the L-Taraval Improvement Project and the 19th Avenue Improvement Project.


Project Benefits
  • Reduce the risk of flooding by diverting
    some of the stormwater flow to a new large sewer pipe to be installed under Vicente Street, from Wawona Street to 34th Avenue
  • Increase the ability to capture and divert street runoff with new stormwater inlets around 15th Avenue and Wawona Street intersection
  • Upgrade the aging water transmission
    and distribution mains along Vicente and Wawona streets
  Wawona Project Area Map
Click on map image above to see larger version of the map.


Closeup of Trenchless Launching/Receiving Shafts

Wawona Launch Shaft
Launch shaft staging area.
Wawona Receiving Shaft
Receiving shaft staging area.
  • Trenchless work between 20th/14th avenues
  • Maintain one lane of traffic both directions along Vicente Street
  • Parking restrictions with advanced notice
  • No left turn from east bound Vicente Street onto northbound 19th Avenue

Project Schedule 
Late Spring 2021 - Winter 2023


It is important to note that Even after project completion, this area will still be at risk of flooding during heavy rains. For more information on stormwater management, visit sfwater.org/RainReadySF.


About the SSIP

The San Francisco Public Utilities Commission (SFPUC) recently launched the Sewer System Improvement Program (SSIP), a 20-year citywide investment to upgrade our aging sewer system and provide a more reliable, sustainable, and seismically safe system now and for future generations. The SSIP includes a series of facility upgrades at the Southeast Treatment Plant (SEP) located in the Bayview neighborhood of San Francisco. Click here to learn more about the SSIP.

Last updated: 2/2/2021 1:12:13 PM