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Efficient Water and Land Use: Enhancing Sustainability and Conservation Methods

Explore the crucial connection between water and land use efficiency for sustainable development. Learn about infrastructure costs, residential water usage, innovative technology, and environmental implications.

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Efficient Water and Land Use: Enhancing Sustainability and Conservation Methods

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  1. Water and Land Use: The Efficiency Connection Mary Ann Dickinson Executive Director California Urban Water Conservation Council

  2. Water Resources in the USA Total Withdrawals

  3. WA ND MT MN 8 ME NH 1 SD WI VT OR 10 2 ID WY MI NY MA IA NE 7 5 3 RI PA CT NV OH IN NJ IL UT CO 9 KS MO DE WV MD KY VA CA TN NC OK AR AZ NM SC GA MS 6 AL 4 AK LA $Billions TX < $10 FL 9 10 GU $10 - $20 HI $20 - $30 $30 - $40 $40 - $50 > $50 Infrastructure Costs 20 Year Drinking Water and Clean Water Infrastructure Needs by EPA Region

  4. Effects of Growth Water Resources and Population Growth, 2000-2020 Source: DOE/NETL (M. Chan, July 2002)

  5. 600,000 people and over 200,000 homes per year

  6. Residential Water Usage Source: AWWRF Residential End Uses of Water, 1999

  7. AB 2717 • Became law September, 2004 • CUWCC formed Landscape Task Force to review landscape water issues, make recommendations for improvements • Representatives from water suppliers, landscape & building industries, cities & counties, environmental groups, and state & federal agencies

  8. We Finished It! • 43 recommendations • 76 specific actions to implement the recommendations • Top 12 • AB 1881 submitted

  9. New Technology Programs Et Weather Data For Irrigation Scheduling

  10. The Study Area

  11. Study Objectives • Characterize Runoff Quantity and Water Quality • Dry Weather • Storm Conditions • Evaluate Methods of Reducing Runoff

  12. Study Design Control Neighborhood #1 Control Neighborhood #2 Control Neighborhood #3 Flows to San Diego Creek and Newport Bay Retrofit and Education Neighborhood Education Neighborhood = Water quality and flow monitoring locations

  13. Study Findings • 41.2 gpd saved annual average with ET controllers and education • 25.6 gpd saved with education • 64-71% runoff flow reduction in combined area • 79% runoff reduction in one specific neighborhood

  14. Study Implications • Landscape water not just a drought issue or even a peaking issue • Multiple environmental benefits of regional and statewide significance • An important partner in basin management: Runoff reduction, pollutant reduction, reduced wastewater treatment, reduced green waste management

  15. Green Building Issues • LEED (USGBC) only awards 6 points for water efficiency • LEED Water Efficiency Technical Advisory Group working to make significant improvements (Council participation) • Other green building initiatives similarly weak on water efficiency • “California Friendly” and “Smart from the Start” pilot programs in California

  16. California Friendly “ Active Family”

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