Wenger 72944 Dokumentacja Pobierz pdf (Strona 159)

Section 5 Formulation of Alternative Plans

EAA Storage Reservoirs Revised Draft PIR and EIS February 2006

5-5

adversely affect natural system areas receiving such discharges. Increasing lake

levels would also create additional operation, maintenance, and rehabilitation

and repair requirements to ensure that the Herbert Hoover Dike surrounding

Lake Okeechobee could safely contain the volume of additional water.

5.2.1.2 Storage North of Lake Okeechobee

The Comprehensive Plan (Restudy) includes water storage and water quality

treatment north of Lake Okeechobee with the objectives of improving water

quality entering the lake and reducing the duration and frequency of both high

and low water levels in Lake Okeechobee. The Lake Okeechobee Watershed

Study is currently underway that includes formulation and evaluation of the

Restudy Compartment A (North of Lake Okeechobee Storage Reservoirs),

Compartment W (Taylor Creek/ Nubbin Slough Storage and Treatment Area),

and Lake Okeechobee Watershed Water Quality Treatment Facilities. These

features total approximately 250,000 acre-feet of storage and 11,875 acres of

STAs.

These reservoirs could be expanded to include a portion of the storage that the

EAA Storage Reservoirs project is designed to hold. Additional water stored in

above ground reservoirs north of the lake could meet the following planning

objectives:

1. Improve the timing of environmental deliveries of water to the WCAs.

More water could be stored north of the lake and moved to the lake and

then southward through the EAA to the WCAs to meet the needs of the

natural system.

2. Reduce Lake Okeechobee regulatory releases of water to the WCAs. The

north of lake storage could withdraw water from or capture water before it

enters the lake. This would reduce the need to release lake water

southward to the WCAs to meet regulation schedules when the WCAs

already have too much water.

3. Reduce regulatory releases of water from Lake Okeechobee to the St.

Lucie and Caloosahatchee Estuaries. The north of lake storage could

withdraw water from or capture water before it enters the lake. This

would reduce the need to release lake water to meet regulation schedules

to the east and west estuaries in such large volumes that their natural

salinity regimes are harmed.

4. Meet agricultural demands within the EAA. More water could be moved

from north of the lake to the lake and thence southward to the EAA to

meet the needs of agriculture.

5. Increase flood protection within the EAA (flood runoff could be

backpumped from the EAA through the lake to storage north of the lake

to reduce flood damages).

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