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Welcome!. Please read the board carefully! . Drought – the new normal?. 2011 – worst 12 month period of drought recorded in Texas history Agriculture - $5 billion lost Wildfires Reservoirs down to 60% of water storage levels

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Presentation Transcript
welcome
Welcome!

Please read the board carefully! 

drought the new normal
Drought – the new normal?
  • 2011 – worst 12 month period of drought recorded in Texas history
  • Agriculture - $5 billion lost
  • Wildfires
  • Reservoirs down to 60% of water storage levels
  • More than 900 of the state’s 4700 water supply systems had water restrictions
  • February 2014 – officially back in drought in Houston
  • -data from Lone Star Sierran Fall-Winter 2011
5 ways to increase water availability
5 Ways to increase water availability
  • Build more dams – use more surface water
  • Use more groundwater - aquifers
  • Transfer water from other places
  • Desalinate water
  • Conserve water
desalination get the salt out
Desalination – get the salt out!
  • How it works – three systems
    • Reverse osmosis
    • Freezing salt water – ice will be fresh
    • Distillation – boiling, then trapping the fresh steam
conservation

Conservation!

Being smart with the water we already have.

conservation success
Conservation success
  • San Antonio – pumps no more water today than it did 20 years ago, despite the dramatic population increase in its service area in that same period of time!
  • Thanks to conservation!
  • San Antonio reduced its per capita use by more than 70 gallons.
even the alamo uses grey water
Even the Alamo uses grey water!
  • Grey water is being used more in:
    • Golf courses
    • Sweeping streets
    • Fighting fires
    • Parks
    • Amenity lakes
current texas water reuse 2
Current Texas water reuse 2%
  • New technology cleans water to almost distilled quality
  • Eventually, 10% of water demand will come from reuse in Texas
tradeoffs
Tradeoffs!
  • Reuse will divert more water from rivers.
  • Less water downstream for people and wildlife
  • Before:
      • River  home  river
  • After:
    • River  home  land
saving water at home

Saving water at home

What can you do directly?

two sides to conservation
Two sides to conservation
  • Equipment/Fixtures
  • Behaviors
brainstorm
Brainstorm!
  • What kind of behaviors in the home can conserve water?
check for understanding
Check for understanding
  • Why is conservation considered the easiest way to increase the amount of water available for use?
  • What is the name of the wasteful agricultural irrigation system?
  • Name a way to save water in agriculture.
  • Name a way to save water at home.
  • How are YOU responsible for the amount of water used in industry?
  • What is grey water?
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