Lake County Water Atlas

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St. Johns River Watershed

St. Johns River Watershed



This section includes information about the geography and land use within the watershed, including the historical and current forms of land use.

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Map Legend

Water Quality sampling site
Hydrology sampling site
Closest Rainfall site
Rainfall sampling site
Multi-type sampling site
Other sampling site


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Source(s): U.S. Department of Commerce

The following information illustrates the change in population within the watershed during the past few decades.

Total Population within each Watershed from 1970-2010
Watershed 1970 1980 1990 2000 2010  
Kissimmee River Watershed 784 244 518 2,645 6,862 Graph
Ocklawaha River Watershed 45,681 76,692 114,349 164,075 232,146 Graph
St. Johns River Watershed 2,815 2,947 4,463 4,208 5,625 Graph
Wekiva River Watershed 10,022 9,451 13,188 18,576 23,500 Graph
Withlacoochee River Watershed 9,957 15,478 19,494 21,128 29,294 Graph
Totals for All Watershed Areas 69,259 104,812 152,012 210,632 297,427  

Source(s): U.S. Department of Commerce

    (Statistics shown are only for the watershed area within the boundary of this Water Atlas)

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    Land Acquisition and Protection

    The Florida Natural Areas Inventory is the primary source for information on Florida's conservation lands. The Inventory database includes boundaries and statistics for more than 1,400 federal, state, local, and private managed areas, all provided directly by the managing agencies. National parks, state forests, wildlife management areas, local and private preserves are examples of the managed areas included.

    82% of the land area within the St. Johns River Watershed is under protection.

    The amount of protected land under federal, state, local, and private ownership
    Ownership Area (square miles)
    Federal 114.94
    Local 0.40
    Private 0.99
    State 23.50
    Source: Florida Natural Areas Inventory
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      Land Use / Land Cover

      Land Cover categorizes the land in terms of the observed physical surface characteristics. For example, while the land use may be classified as agricultural, the land cover may be classified as upland or wetland. Learn more about land use and land cover »

      Interactive Land Use Viewer

      The interactive map shown below demonstrates how the use of land within and around St. Johns River Watershed has changed over time. Use the slider control at the top left of the map to change the year displayed. Use the visibility slider at the top right to change the opacity of the land use layer.

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      Land Use Legend

      • Urban & Built-up
      • Agriculture
      • Rangeland
      • Upland Forests
      • Water
      • Wetlands
      • Barren Land
      • Utilities
      • Watershed Boundary
      Acreage and Percentage within each Land Use / Land Cover Category for St. Johns River Watershed
      Year Urban & Built-up Agriculture Rangeland Upland Forests Water Wetlands Barren Land Transportation and Utilities
      Acres% Acres% Acres% Acres% Acres% Acres% Acres% Acres%
      20144,99051,93524,838450,617464,297442,16639240243< 1
      20094,92442,42623,058351,975484,899441,1323820242< 1
      20044,41342,87832,517252,835503,768439,4593769< 1206< 1
      19993,99142,73231,687254,068514,404438,99337210178< 1
      19954,31042,74831,622254,839524,291438,03736440182< 1

      Source(s): St. Johns River Water Management District

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