Climate Change

[2018] Climate action: Urban planning

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The city of Tempe in Arizona  relies on two conventional water treatment facilities as major sources of water — the Johnny G. Martinez Water Treatment Plant and the South Tempe Water Treatment Plant. Tempe receives about 1 billion gallons of water from the Colorado River each year via the Central Arizona Project. The Salt River project also provides Tempe with billions of gallons of water every year.  

Hard water 

As Tempe’s water makes its journey from source to faucet, it absorbs dissolved minerals along the way. This results in the water becoming hard, which can be the culprit behind a number of household headaches, including:

  • Underperforming appliances
  • Dry, itchy skin
  • Stiff or scratchy laundry

Hard, mineral-rich water run through the tap or dishwasher can leave glasses, dishes, and silverware looking:

  • Cloudy
  • Streaky
  • Filmy
  • Spotty

Limescale is a hard, off-white buildup that can be found on fixtures and surfaces due to deposits present in hard water. Symptoms of limescale include:

  • Buildup on or around fixtures, sinks, and bathtubs
  • Tough-to-clean surfaces
  • Buildup in pots and pans
  • Clogged showerheads and faucets




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