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Rainwater Harvesting: The Water Camel


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Presentation by Chris Maxwell-Gaines of the American Rainwater Catchment Systems Association at the 2017 Central Texas Water Conservation Symposium.

Published in: Environment
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Rainwater Harvesting: The Water Camel

  1. 1. Five Birds… One Stone Chris Maxwell-Gaines, P.E. The Case for Rainwater Harvesting
  2. 2. Progression of Indoor Water Fixture Efficiency Progression of Indoor Fixture Efficiency
  3. 3. Source: Austin Water website
  4. 4. 110 MGD 210 MGD Source: Austin Water website
  5. 5. Stormwater management
  6. 6. • Rainwater harvesting has a part to play in the management of our stormwater resources within our communities
  7. 7. High Energy!
  8. 8. Low Energy
  9. 9. Conservation Education
  10. 10. Job creation 482 systems : 6.3M gallons : 20 employees
  11. 11. Stormwater Management Water-Energy Nexus Water Savings Job Creation Conservation Education Rainwater Harvesting
  12. 12. • Many cities across the US have developed rain barrel programs where they are either selling rain barrels at cost or hosting rain barrel making workshops. While this is great, I believe effort and education needs to go into showing citizens the true potential of rainwater harvesting and other options. Typically cities stop here. • But with rain barrels, this typically happens… (next slide)
  13. 13. System Design Considerations Collection Area Storage Volume Demand & Use Method
  14. 14. ARCSA/ASPE/ANSI 63-2013: Rainwater Catchment Systems Rainwater Harvesting System Installer License Legislation HB 173 sponsored by Rep. Eddie Lucio III
  15. 15. Texas Population Growth • Texas’ population is expected to increase more than 70 percent between 2020 and 2070, from 29.5 million to 51 million. • Over half of all the statewide population growth between 2020 and 2070 is expected to occur within Regions C and H. • Water demand is projected to increase by 17 percent, from 18.4 million acre-feet per year in 2020 to 21.6 million acre-feet per year in 2070.
  16. 16. • Share of recommended water management strategies by strategy type in 2070
  17. 17. • Do this and everyone will fall in love with rainwater harvesting