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Green Forum-Water Issues Florida International University August 10, 2007

Green Forum-Water Issues Florida International University August 10, 2007. Miami-Dade Water and Sewer Department (MDWASD) Alternatives to the Biscayne Aquifer. Existing Water System. Population Served 2,250,785 Present Total Flow 348.9 Mgd Source of Raw Water Biscayne Aquifer

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Green Forum-Water Issues Florida International University August 10, 2007

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  1. Green Forum-Water IssuesFlorida International UniversityAugust 10, 2007 Miami-Dade Water and Sewer Department (MDWASD) Alternatives to the Biscayne Aquifer

  2. Existing Water System • Population Served 2,250,785 • Present Total Flow 348.9 Mgd • Source of Raw Water Biscayne Aquifer • Treatment Plants Hialeah, J. Preston • A. Orr, S. Miami- Dade System

  3. Interim Consumptive Use Authorization and Agreement between SFWMD and Miami-Dade County • Effective May 10, 2006 • Address Issues for Pending Application for a 20-year Consolidated CUP • Alternative Water Supply Plan • Total Cost $1.16 Billion • Interim 18-month Consumptive Use Authorization of 349.76 MGD

  4. Alternative Water Supply Plan • Upper Floridan Reverse Osmosis (RO) Plant – 17.5 MGD Total • Floridan Aquifer Blending – 12.2 MGD Total • South Miami Heights WTP-18 MGD • Reclaimed Water Irrigation – 8 MGD Total (3 MGD CUP Credit)* • Groundwater Recharge – 53 MGD Total (A. Orr, SMH WTP)* • *Included in Reuse Program

  5. FDEP Requirement for Reuse • Wastewater Operation Permit • Implement Reuse if found feasible • Reuse Feasibility Study Update • Completed April 2007 • Recommended Alternative • Over 40.3% Reuse by 2025 • Total of 150.63 MGD • Total Cost- Reuse $1.56 billion • - Reuse and AWS $1.8 billion

  6. Reuse Program • SDWWTP Coastal Wetlands Rehydration Demonstration Project • Aquifer Recharge Demonstration Project • NDWWTP-Reuse Projects* • CDWWTP-Reuse Projects* • SDWWTP-Reuse Project-Aquifer Recharge-Phase 1-30 Mgd (South Miami Heights Water Treatment Plant) * • WDWWTP-Reuse Project-Aquifer Recharge-Phase 2-28 Mgd (Alexander Orr Water Treatment Plant)* • WDWWTP-Reuse Project-Aquifer Recharge-Phase 3-30 Mgd (Alexander Orr Water Treatment Plant)* • SDWWTP-Biscayne Bay Coastal Wetlands Rehydration- • 52 Mgd • *Included in Alternative Water Supply Plan

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