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Case studies

Tucson Water

Tucson Water prioritized conservation over traditional sources of supply through residential and commercial financial incentives and free programs for income-qualified households. These comprehensive programs significantly lowered water consumption notwithstanding population growth and helped Tucson avoid costs of more than $155 million.

Project at a Glance

Utility Overview

  • Utility: Tucson Water
  • Location: Tucson, Arizona
  • Population served: 720,000
  • Service area: 227 square miles

Challenges

  • Declining water supply availability and reliability
  • Prolonged drought
  • Climate change
  • State-mandated conservation for groundwater

Solution

  • Comprehensive water efficiency rebate programs to prioritize conservation as a source of supply.

Costs and Funding Sources

  • Annual program budget: $3.5 million
    • Conservation rebates and incentives budget: $1.4 million
    • Education programs: $750,000
    • Neighborhood-scale Stormwater Harvesting Program: $350,000
    • Public relations and advertising: $30,000
  • Funding sources: Dedicated fee on water use

Benefits of Tucson Water's Conservation Programs

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Conserved more than 2.1 billion gallons over 10 years
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Significantly lowered water consumption notwithstanding population growth
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Improved climate change resilience
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Avoided costs of more than $155 million
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Urban greening, shading, and native landscaping benefits to Tucson
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Improved drought resilience
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