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Central Arizona Project (CAP) is a modern aqueduct system that stretches 336 miles across the state. CAP delivers water from the mighty Colorado River to where it’s needed in Arizona.

KIDS & FAMILIES—

Welcome to Bear Essential’s water conservation column. Water means life to all of us desert dwellers. In fact, water is Arizona’s most precious natural resource, and using it wisely is everybody’s responsibility!

Be an Arizona Water Manager!

Throughout history, people living in the desert have understood the importance of water. We’ve invented ways to store water for use in dry times and to move water from places that have it to places that need it.

Today, Arizona water managers play an important role in our water supply. They measure snowpack in the mountains and rainfall each year to predict the amount of water available. They monitor the amount of water held in reservoirs and aquifers and try to balance the needs of all water users. They even look at how climate change could affect our water supply. With a limited water supply and a growing population, Arizona water managers encourage everyone to conserve water.

Where Does Your Water Come From?

The Central Arizona Project brings water from the Colorado River to farms, American Indian communities, Casa Grande, Phoenix and Tucson.
The Salt River Project manages dams and reservoirs that supply the Phoenix metropolitan area.
Many places—like Payson, Flagstaff and Williams—pump groundwater from aquifers.

Play the Water Manager Challenge!

Each year, water managers figure out how much water can be stored in reservoirs and how much to release downstream. Their decisions depend on how much rain and snow falls that year to fill the reservoirs.

  • Each player starts with a full reservoir— 10 million acre-feet (maf) of water.
  • During each round of the game, you’ll flip four coins to find out how much water will enter your reservoir that year (inflow):


  • 0 heads = 0 maf of inflow (drought)

    1 head = 2 maf of inflow (below-average precipitation)

    2 heads = 5 maf of inflow (average precipitation)

    3 heads = 7 maf of inflow (above-average precipitation)

    4 heads = 9 maf of inflow (flooding)

  • Based on your toss (inflow), decide how much water you will release from your reservoir that year (any amount between 3–7 maf). Your goal is to keep between 2 maf and 10 maf in your reservoir at all times. Downstream users require at least 3 maf per year to meet their basic needs.
  • Play for at least 8 rounds (8 years). Each round, record the amount of inflow, the amount of water you choose to release, and the amount remaining in your reservoir for the next year. Start each year with the amount left from the year before.
  • If you manage to keep your reservoir from flooding or drying up for 8 years, you deserve thanks from wildlife, families, farmers, towns and many other water users!

(An acre-foot is about 326,000 gallons—about the amount of water used by two families in a year.)

Info and artwork from “Discover the Waters of Arizona” booklet. This column is a collaborative effort among CAP, Arizona Project WET, the UofA Cochise County Cooperative Extension Program and the Bureau of Reclamation.

H204U Online Game!

Middle & high school students could win a $1,000 scholarship! You must complete the game to be entered in the drawing. Contest ends Feb. 15, 2010. Go to www.caph2o4u.com/contest/ for details!

For more information, visit
www.CentralArizonaProject.com
or call toll free: (888) 891-5795

The Arizona Conserve Water Educators’ Guide provides lessons that can be used to bring your curriculum alive with local relevancy! Sign up today for Arizona Project WET’s exciting new professional development opportunity. Register for locations across the state at http://cals.arizona.edu/arizonawet/workshops/ current_workshops.html