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Scientific Investigations Map 3112

Prepared in cooperation with Manatee County

Bathymetry of Lake Manatee, Manatee County, Florida, 2009

By Jason C. Bellino and William R. Pfeiffer

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Lake Manatee, located in central Manatee County, Florida, is the principal drinking-water source for Manatee and Sarasota Counties. The drainage basin of Lake Manatee encompasses about 120 square miles, and the reservoir covers a surface area of about 1,450 acres at an elevation of 38.8 feet above NAVD 88 or 39.7 feet above NGVD 29. The full pool water-surface elevation is 39.1 feet above NAVD 88 (40.0 feet above NGVD 29), and the estimated minimum usable elevation is 25.1 feet above NAVD 88 (26.0 feet above NGVD 29). The minimum usable elevation is based on the elevation of water intake structures.

Manatee County has used the stage/volume relation that was developed from the original survey in the 1960s to estimate the volume of water available for consumption. Concerns about potential changes in storage capacity of the Lake Manatee reservoir, coupled with a recent drought, led to this bathymetry mapping effort.

First posted April 8, 2010

  • Map PDF (14.8 MB) (48 x 36 inches)

For additional information contact:
Jason Bellino
U.S. Geological Survey
Florida Water Science Center, Tampa
Suite 215
10500 University Center Dr.
Tampa, FL 33612-6427

Part or all of this report is presented in Portable Document Format (PDF); the latest version of Adobe Reader or similar software is required to view it. Download the latest version of Adobe Reader, free of charge.

Suggested citation:

Bellino, J.C., and Pfeiffer, W.R., 2010, Bathymetry of Lake Manatee, Manatee County, Florida, 2009: U.S. Geological Survey Scientific Investigations Map 3112, 1 sheet.





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