2025 IWMP Council Adoption_20260120.pdf
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Integrated Water Master Plan Update Terry Lowe Water Resources Director January 20, 2026 1 Integrated Water Master Plan Overview Recommendations Next Step History 2 History of Buckeye Water Master Planning Efforts • 2011: Water and Wastewater Master Plan Developed • 2017: Integrated Water Master Plan (IWMP) Adopted • 2020: Water Resources Master Plan • 2022: Wastewater Master Plan (started, effort rolled into 2025 Update) • 2025: Updated IWMP Completed (One Water Approach) 3 What is an IWMP ? • Provides framework and guidance for growth in the City • Utilizes the One Water Approach addressing infrastructure for water, wastewater, and reclaimed systems • Takes into consideration Existing Infrastructure General Plan Land Uses Development Type and Timing Population Growth & Growth Patterns Current Legislation 4 Why was the update needed? Since adoption of the previous IWMP in 2017, many changes have occurred: Modifications to the General Plan Land Use Changes to the Engineering Design Standards Adoption of the City’s Infrastructure Improvements Plan (IIP 2025) Changes in Legislation (Ag to Urban, ADAWS) New Sources of Water (BWCDD, Harquahala) Population Increased 25-30% 5 REVIEW OF CHANGES SINCE 2017 UPDATED MAPPING OF EXISTING CONDITIONS PEER REVIEW BY ENGINEERS, DEVELOPERS, HOMEBUILDERS ASSOCIATION UPDATED MODEL POPULATION YEAR 2040 IDENTIFIED NEW ASSETS PRIORITIZED RECHARGE UPDATED IMPLEMENTATION AND PARTNERSHIP STRATEGIES 2025 Update Process Highpoints 6 Recommendations 7 Water Resource Recommendations Use of Designation of Assured Water Supply (DAWS) tools where advantageous to City Balance reliance on groundwater with other water supplies Prioritize Effluent Recharge to build portfolio Partner with others to develop & deliver water supplies Develop regional water & wastewater solutions Maximize underground water storage opportunities 8 9 Infrastructure Recommendations Tartesso Water Service Area 2040 10 Infrastructure Recommendations Central Buckeye Wastewater 2040 Option 1 11 Infrastructure Recommendations Central Buckeye Wastewater 2040 Option 2 12 Infrastructure Recommendations Festival Recharge and Recovery 13