Case Studies

Option 1: Expanding Direct Reuse opportunities in Flagstaff (“purple pipe”)

• Tusayan

Option 2a: Aquifer recharge (via. wetlands, streambed) with advanced treatment

• None

Option 2b: Aquifer recharge (via. wetlands, streambed) without advanced treatment

• Tres Rios
• Town of Gilbert
• Show Low
• Tucson Santa Cruz Heritage

Option 3a: Aquifer recharge through a constructed project (groundwater well recharge) with advanced treatment

• Scottsdale Water Campus

Option 3b: Aquifer recharge through a constructed project (groundwater well recharge) without advanced treatment

• City of Surprise
• Town of Gilbert
• City of Phoenix
• Sedona
• Tucson

Option 4: Surface water augmentation

• Pure Water San Diego
• Gwinett County

Option 5: Direct Potable Reuse (DPR) – Advanced Treatment and Purification

• El Paso, TX (working towards full-scale DPR)
  • Advanced Water Purification Facility