western USA water resources managed sustainably

Question 1

irrigation

Answer 1

• dams on the colorado e.g. Hoover can store 2 years river flow
• drip irrigation systems are 100x more efficient than open-drip sprinklers as allocate specific quantities of water to individual plants

Question 2

water conservation

Answer 2

• recycling water in industry
• introducing more efficient toilet systems which only use 6.6 litres for each flush instead of 26
• Mojave water agency-buy vouchers to buy water efficient washing machines

Question 3

water transfer

Answer 3

-tunnels and pipelines direct Colorado river water eastwards through Rockies to cities such as Denver

Question 4

future options

Answer 4

• change from water dependent crops e.g. rice to ones needing less water e.g. black eyed peas
• construct desalination plants e.g. Santa Barbra plant