1. Los Angeles County Department of Public Works
Stormwater Capture Programs and Opportunities
March 23, 2018

2. LA Region’s Sources of Water
1/3 Local
Groundwater
Local Surface
Reclaimed
2/3 Imported 2

3. Spreading Grounds
Hansen Spreading Grounds 3

4. Soft Bottom Channels & Rubber Dams
San Gabriel River 4

5. Flood Control District Groundwater Recharge
Avg. Annual Recharge**
*Preliminary numbers, to date.
**Since Does not include 25,000 ac-ft/year for seawater barrier operation. 5

6. Infrastructure Investments
Big Tujunga Dam 6

7. Integrated Regional Water Management7

8. Collaborative Watershed Planning Under the 2012 MS4 Permit
Address water quality concerns, including 33 TMDLs
Increase stormwater reuse
Augment water supply 8

9. Roosevelt Park Stormwater Capture Project9

10. Bassett High School Stormwater Capture Multi-benefit Project10

11. Infrastructure Investments11

12. Safe, Clean Water Program
Capture more rainfall to store, clean and re-use.
Protect local lakes, rivers, streams, beaches and the ocean from contamination.
Improve communities’ protection against extreme weather patterns while adding natural areas, shade and green space to enjoy. 12

13. Safe, Clean Water Program
May 2017 Los Angeles County Board Motion
Proposed parcel tax
Sustainable funding source for multi-benefit stormwater capture projects & programs
Stakeholder involvement in program development
Disadvantaged, Underserved Communities, Equity 13

14. Summary Investing in Stormwater for Local Sustainability
Integrated, Collaborative Planning 14