Seminole County Water Atlas


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Lake Howell

Howell, Lake

Map

located within Howell Creek Watershed

Description

Explore general as well as scientific information about the movement, chemistry and biology of area surface water environments.

The data on this page indicate how fast the water is moving and how deep the water is on this water resource.

Click the Learn More links to explore each parameter and how it indicates Hydrology.

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Map Legend

Water Quality Sampling Sites
Hydrology Sampling Sites
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Water Levels

Water levels typically follow rainfall patterns during periods of wet weather and drought. From these data, one can get a picture of how recent flood or drought events compare to historical data. Learn more about lake water levels »

Water Levels NAVD88
Latest Value 51.6 ft. 10/31/2017 Source: SEMCO_PWHYDRO
Historic Norm for Month 52.28 ft. 1975 - 2017
Historic Range 50.1 - 55.5 ft. 8/4/1975 - 10/31/2017 655 samples
FEMA Levels

54.1 ft.

FEMA 10-Year Flood

55.5 ft.

FEMA 100-Year Flood

Graphs and Data View 10-Year Graph Download Data
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Bathymetric Maps and Depth Information

These are the latest available contour maps of the lake's bottom. These maps can be used to determine where "holes" (deep spots) exist on the lake bottom. Such areas are often productive for fishing. Learn more about bathymetric maps »

Bathymetric Map
View Map Details Method Lake Elevation
View Contour Map
Date: 7/18/2000
Source: SEMCO-USF_BATHYMETRY
DGPS_SONAR 50.695 ft. (NAVD88)
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    Additional Hydrology and Geology Information

    The Lake Region Classification System is a tool used for grouping lakes based on similarities in physiography, geology, soils, hydrology, water chemistry, vegetation, and climate. It was created from a cooperative effort involving the United States Environmental Protection Agency, the Florida Department of Environmental Protection, and researchers at the University of Florida's Department of Fisheries and Aquatic Sciences. There are a total of 47 Lake Region groups. These are used to provide a framework of the different types of lakes in the state so that management plans can be developed for groups of lakes with similar characteristics. Learn more about Florida Lake Regions »

    The lake region this lake is located in is:

    Orlando Ridge (Region 7521)

    This is an urbanized karst area of low relief, with elevations from 75-120 feet. Phosphatic sands and clayey sand are at a shallow depth. Lakes in this region can be characterized as clear, alkaline, hard-water lakes of moderate mineral content. They are mesotrophic to eutrophic, but it is difficult to distinguish between effects of urbanization and natural phosphatic levels. Lakes are more phosphatic and green than the Crescent City/Deland Ridges located to the north, and only slightly more than the Apopka Upland located to the west.

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    Advanced Data Features

    Files Graphs

    Data Download and Advanced Graphing Tool
    Download and/or graph water quality, hydrology, and rainfall trends using the data presented on the Atlas for use in your own analyses and reports.

     
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