1. Wastewater Effluent & Reclaimed Water: Innovative Strategies Now and into the Future Arizona League of Cities & Towns August 21, 2014 Phoenix, Arizona Kathleen M. Chavez, P.E. Water Policy Manager Pima County

2. Southern Arizona Water Users Association Goals & Objectives A Proactive Forum to Protect the Quantity and Quality of Water Resources Within and Available to Southern Arizona 15 Members Avra Water BKW Farms Community Water of Green Valley FICO Flowing Wells ID Kai Farms Marana Green Valley DWID Metro DWID Oro Valley Pima County Red Rock Sahuarita Sahuarita Water Tucson Water

3. Pima County 2010 Population 980,000Unincorporated Population 353,000Five Incorporated Jurisdictions85% Land is Federal, State or Native AmericanNine Wastewater Reclamation Facilities3,400 miles of Sewer

4. Reclaimed Water Production 2012: 66,900 acre-feet*

5. Reclaimed Water Allocations Metropolitan Facilities 2012 Allocations SAWRSA 46% City of Tucson 41% Pima County 5% Metro Water 4% Oro Valley 3% Flowing Wells 1% Spanish Trail < 1% Conservation Effluent Pool* 0%

6. What Does Everyone Do With Their Water? Allocation (AF/yr) Direct Reuse Off Channel Recharge In Channel Recharge Long- Term Storage Outflow at Trico Road City of Tucson25,092√√√√√ Bureau of Reclamation 28,200√√√ Pima County Metro 3,319√√√√ Pima County Non-Metro 3,698√√√ Metro Water2,172√√√

7. Allocation (af/yr) Direct Reuse Off Channel Recharge In Channel Recharge Long- Term Storage Outflow at Trico Road Oro Valley1,929√ Sahuarita896√√ Flowing Wells 639√√ Saddle- brooke 511√√ Marana300√ Spanish Trail43√√

8. Water Quality Upgrades Plant Interconnect Agua Nueva WRF 32 mgd Tres Rios WRF 50 mgd Class A+ Water ROMP R egional O ptimization M anagement P lan

9. Opportunities Environmental Restoration Direct UseReplenishmentIndirect Use

10. Reclaimed Water Strategies ProductionAllotmentUtilization Long-Term Storage Water QualityOpportunities