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Bassett High School Stormwater Capture Project in Los Angeles County

The project, located under the sports field of Bassett High School, aims to capture and treat stormwater, address regional water self-reliance, and enhance the environment. With an estimated project cost of $41.8M, it includes the construction of an underground infiltration gallery, a demonstration garden, and educational features.

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Bassett High School Stormwater Capture Project in Los Angeles County

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  1. Bassett High School Stormwater Capture Project County of Los Angeles Iwen Tseng itseng@pw.lacounty.gov 626-458-4310

  2. Project Location • San Gabriel River Watershed • Located in the City of La Puente • Disadvantaged Community

  3. Project Description • Project located under the sports field of Bassett High School

  4. Project Description

  5. Project Outreach • Early and Ongoing Strategies: • Classroom presentation in 2016 to share design concept with high school students • Bassett Resource Fair in Oct 2018 • Ongoing coordination with the LA County Department of Parks and Recreation to incorporate community needs based on Countywide Comprehensive Parks and Recreation Needs Assessment • Outreach to community groups • Additional outreach activities are planned for the community to be involved in the project • Community outreach planned in summer 2019 • Public Feedback: • More STEM outreach activities for continued student involvement in the project • Planned Long-Term Project Messaging: • Project website will be developed • Interpretative educational signage will be installed

  6. Funding Details Funding: • Total Estimated Project Cost: $41.8M • Grant Request: $3M • Matching Funds: $38.8M • Los Angeles County General Fund • Estimated O&M costs per year: TBD

  7. Program Preferences • Project will address climate change through the installation of 210 trees. Estimated 717 metric tons of CO2 will be sequestered over 40 years. • Project contributes to regional water self-reliance by recharging the Main San Gabriel Groundwater Basin. • Statewide Priorities Objectives addressed through Project: • Increases regional self-reliance and integrated water management across all levels of government • Manages and prepares region for dry periods • Expected Useful Life of 50 years • CEQA and Permit will be completed within 12 months of final award.

  8. Benefits Project proposes to • Construct a 44.5 acre-foot underground infiltration gallery that captures, treats and infiltrates 668 acre-feet of stormwater during an average rainfall year. • Install demonstration garden, walking paths and outdoor classroom on campus. Project addresses critical needs of the GLAC Region: • Increase water supply • Improves water quality • Enhances open space and recreational features • Addresses climate change

  9. Estimated Budget

  10. Project Schedule

  11. Other Considerations • LA County has an excellent track record developing and implementing projects. • The Roosevelt Park Stormwater Capture Project, currently in construction, was a past recipient of the IRWM Grant. Grant was executed on December 2016. • Robust monitoring program for all stormwater capture projects • In 2020, Project may also be considered for funding through the Safe, Clean Water Program.

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