C 51 RESERVOIR PROJECT UPDATE Design Permitting and

C 51 RESERVOIR PROJECT UPDATE Design, Permitting and Coordination NOVEMBER 10, 2014

C 51 RESERVOIR LOCATION

C-51 Reservoir Benefits ► Existing rock mine with unique geological features ► Location is ideally suited for a multitude of water resource benefits ► Utilizes existing infrastructure for conveyance with some improvements

C-51 Reservoir Benefits Augmenting existing water supplies Improving flood control in western Palm Beach County Enhancing water quality protection for the Everglades Reducing harmful discharges to Lake Worth Lagoon Mitigating saltwater intrusion Protecting against drought Mitigating climate change impacts

C-51 Reservoir Benefits The project could be eligible for a longterm permit (S. 373. 236(5), F. S. and as a Preferred Water Source (S. 373. 2234 F. S. ) As a multi-jurisdictional project, it is expected that the C-51 Project would rank highly for alternative water supply funding under the "Water Protection and Sustainability Program" (S. 403. 890, F. S. ) Potential for permit modifications vs. a new permit

C-51 Reservoir L 8 Cell 18 l na Ca Cell 16 Operations Cell 5 Cell 13 Cell 14 Cell 12 C 51 Reservoir Cell 1+2 L 8 FEB Cell 11 Cell 9, 10 Cell 4 L 8 Pump Station Cell 3 Cell 7 L 8/C 51 Connection Cell 6 C 51 Phase 1 Area C 51 Phase 2 Area FPL Electrical Generation Plant L 8 Canal L 8 Flow Direction L 8 FEB L 8 Inflow Gate Structure Southern Blvd 3

Consistency with CERP/ Regional Availability/ Restoration Strategies SFWMD

C-51 Reservoir Sources L 8 excess/M 1 Basin Consistency with CERP/Regional Availability/Restoration Strategies

C 51 RESERVOIR 1965

C 51 RESERVOIR

C 51 RESERVOIR

C 51 RESERVOIR

C-51 Reservoir CONVEYANCE

C 51 RESERVOIR

C 51 RESERVOIR

C 51 Reservoir Status Design Reservoir – Complete L 8 Reservoir Connection and Control Structure – Complete Pump Station – Preliminary design criteria being established Broward County Pump Station – Locations being researched Stormwater Retention Area – Design 99%. 100% pending SFWMD Permit review.

C 51 Reservoir Status Permitting ERP – Received CUP – Submitted and RAI received Response RAI is being prepared requested identification of end users Stormwater Retention Area – Application submitted, RAI received, response pending

C 51 Reservoir Status Construction Pending Allocation Agreements and commitments from end users Pending all permits Construction duration expected to take 24 months after start Target start date May 2015

C-51 Reservoir Costs MWH Construction Cost June 2014 $106, 782, 793 Project Management/Fees Engineering, design, permitting and CM Interest during construction at 6% Value at 12% of construction cost LWDD projected initiation cost LWDD canal user fee Total 1, 067, 828 17, 085, 247 7, 785, 249 12, 813, 935 350, 000 380, 160 $146, 265, 212 PBA Aggregates Estimate January 2013 - $150, 500, 000

C-51 Reservoir Costs – Additional Items Since Estimates Coffer Dam East Rip Rap placed in the wet Rip Rap volume and product change Guard Rail Boat Ramp C 51 Top Off Pump Station Broward County Canal Pump Station Cost Escalation since May 2014

C 51 Reservoir Next Steps Utility Letters of Intent MWH Estimate of Additional Items Conclude Reservoir Permitting Utility Demand Projections (updated & extended) Utility Permitting Capacity Allocation Agreements Set Construction Start Date

Questions