notebook - Southwest Florida Water Management District

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notebook - Southwest Florida Water Management District

Item 38

• Withlacoochee River Watershed: During the last two weeks of September all water control

structures in the Tsala Apopka Chain of Lakes were closed to conserve water with the

exception of the Floral City and Leslie Heifner Structures allowing for flow from the

Withlacoochee River into the Floral City Pool. The Wysong-Coogler Water Conservation

Structure main gate and low flow gate were deflated to 37.20’ NGVD and 34.10’ NGVD,

respectively, to aid in the regulation of the Lake Panasoffkee water level and provide flow to

the Withlacoochee River downstream of the structure. The average monthly water level for

Lake Panasoffkee was 39.63’ NGVD.

• Alafia River Watershed: The Medard Reservoir structure was operated to lower the reservoir

to 59.00’ NGVD in order to evaluate conditions on the berm. There were no other structures

operated during the month of September. The average monthly water level for the Medard

Reservoir was 60.24’ NGVD compared to the recommended maintenance level of 60.00’

NGVD.

• Hillsborough River Watershed: The Tampa Bypass Canal Structures (S-159, S-161, S-162,

S-160) were operated the first two weeks of September to assist in diverting excess water

from the Hillsborough River caused by Tropical Storm Isaac. The average monthly water level

for Lake Thonotosassa was 36.40’ NGVD compared to the recommended maintenance level

of 36.50' NGVD.

• Tampa Bay/Anclote Watershed: The Sawgrass Lake, S-551 (Lake Tarpon), Magdalene, Bay,

Ellen-Lipsey, Armistead, Pretty, Crescent, Keystone, and Island Ford structures were

operated during the month of September. The average monthly water level for Lake Tarpon

was 3.25’ NGVD compared to the recommended maintenance level of 3.20' NGVD.

• Peace River Watershed: The Lake Parker, Banana and Gibson structures were operated

during the month of September. The average monthly water level for Lake Gibson was

143.08’ NGVD. The recommended maintenance level for the Lake Gibson is 143.00’ NGVD.

The average monthly water level for Lake Hancock was 98.79’ NGVD compared to the

recommended maintenance level of 98.70’ NGVD. Work on the P-11 replacement structure is

progressing. The scheduled completion date is September 2013.

• Lake Wales Ridge Watershed. The average monthly water level for Lake June-in-Winter was

74.85’ NGVD compared to the recommended maintenance level of 74.50’ NGVD.

Staff Recommendation:

See Exhibit

This item is provided for the Committee's information, and no action is required.

Presenter:

David P. Crane, P.E., Manager, Structure Operations Section

13

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