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The Water Plight of Phoenix

The Water Plight of Phoenix. Sean McMorris, Jimmy Svigos, Ki Hoon Kim, Griffin Leahy, Filaree Moore. Water Supply and Drought. Snow pack is key to Arizona water supplies Phoenix receives most of its water from dwindling surface water supplies Over a decade of drought in the Southwest

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The Water Plight of Phoenix

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  1. The Water Plight of Phoenix Sean McMorris, Jimmy Svigos, Ki Hoon Kim, Griffin Leahy, Filaree Moore

  2. Water Supply and Drought • Snow pack is key to Arizona water supplies • Phoenix receives most of its water from dwindling surface water supplies • Over a decade of drought in the Southwest • Lakes and rivers are drying up and aquifers are being exhausted

  3. Environmental Facets • 1. Damming of Salt and Verde Rivers: Hohokam canals built 1100 AD, irrigation/agriculture, Serious environmental consequences • 2. Sprawl: Phoenix metro area covers 9000 sq. miles • 3. Residential Watering/Landscape: Residential uses 2/3 of Phoenix waterﾊ ﾊ ﾊ ﾊsupply, landscape takes 80% of that 2/3. • 4. Relationship between Water Consumption and Temperature: Urban Heat Island Effect raises temp. 12 degrees at night, household water use increases by 4.61 kL annually when temperatures rise 1 degree C, 33.8 F which accounts for 0.77% annual use for every 1 degree C (33.8 F) of urban heat, 40% water consumed between June and Sept. • 5. Xeriscaping: 7 principles, lowers water consumption (Las Vegas saved 8 billion gallons)

  4. Urban Planning There are 4 main sources of water for Phoenix. • Reclaimed Water • Groundwater • Salt River Project • Central Arizona Project

  5. Conservation • 2/3 of the water supply in Phoenix is used for purposes outside of the household. • Water consumption trends need to change • Phoenix’s population growth rate is unfavorable to water sustainability

  6. Governmental Policy • In Phoenix, Arizona the state government has been forced to address the major threat of a drought to its population o As the 5th driest city in the US, Phoenix has to monitor its water levels closely in order to ensure that water levels remain sufficient. • Agricultural Impact • In 2002 the Bush administration cited Arizona as a “drought disaster” area in large part due to depleted ponds and reservoirs -Cattlemen suffered the brunt of the drought, having to sell herds at discounted prices • Drought Management Plan o Phoenix city government instituted a Drought Management Plan in 1990

  7. Governmental Policy (Contd) • Salt River Project (SRP) o Supplies the Phoenix area with water by using a system of canals that are able to transport a sufficient supply of water • Central Arizona Project (CAP) o Controlled by public organization: Central Arizona Water Conservation District • 335 mile long aqueduct system that transports water from Colorado River to Phoenix Area • Strategies of Sustainability o Water Banking -Storing excess water in underground aquifers

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