C51 RESERVOIR PROJECT UPDATEDesign, Permitting and CoordinationNOVEMBER 10, 2014

C51 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

Augmenting existing water suppliesImproving flood control in western Palm

Beach CountyEnhancing water quality protection for

the EvergladesReducing harmful discharges to Lake

Worth LagoonMitigating saltwater intrusionProtecting against droughtMitigating climate change impacts

C-51 Reservoir Benefits

The project could be eligible for a long-term 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 Benefits

C-51 Reservoir

Operations

3

Cell 9, 10

Cell 11Cell 12

Cell 13Cell 14

Cell 16

Cell 18

C51 Phase 2 Area

C51 Phase 1 Area

L8 FEB

Cell5

Cell1+2

Cell4

Cell3

Cell7

Cell6

L8 Pump Station

L8 Inflow Gate Structure

L8 Canal

Southern Blvd

L8/C51 Connection

L8 C

anal

FPL Electrical Generation Plant

L8 Flow Direction

C51 Reservoir

L8 FEB

Consistency with CERP/ Regional Availability/ Restoration Strategies

SFWMD

C-51 Reservoir Sources

L8 excess/M1 Basin

Consistency with CERP/Regional Availability/Restoration Strategies

1965

C51 RESERVOIR

C51 RESERVOIR

C51 RESERVOIR

C51 RESERVOIR

CONVEYANCE

C-51 Reservoir

C51 RESERVOIR

C51 RESERVOIR

C51 Reservoir Status Design

Reservoir – Complete L8 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.

C51 Reservoir Status

PermittingERP – ReceivedCUP – Submitted and RAI receivedResponse is being prepared

RAI requested identification of end users

Stormwater Retention Area – Application submitted, RAI received, response pending

C51 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 CostsMWH Construction Cost June 2014 $106,782,7

93 Project Management/Fees

1,067,828 Engineering, design, permitting and CM

17,085,247 Interest during construction at 6%

7,785,249 Value at 12% of construction cost

12,813,935 LWDD projected initiation cost

350,000 LWDD canal user fee

380,160 Total $146,265,2

12

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 C51 Top Off Pump Station Broward County Canal Pump Station Cost Escalation since May 2014

C51 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