The Charlotte Harbor Basin is located within CHNEP and spans 350.0 square miles. The basin contains 13 named lakes/ponds, 21 named rivers/streams/canals and 5 named bays/bayous. The basin is located within the larger Charlotte Harbor Watershed, which also includes the Peace River and Myakka River Basins. Charlotte Harbor is the second-largest estuary in Florida and the largest, deepest and most diverse of the five Charlotte Harbor Aquatic Preserves, encompassing the Gasparilla Sound-Charlotte Harbor Aquatic Preserve. Fresh water from the Peace and Myakka rivers mixes with salt water coming through Boca Grande Pass from the Gulf of Mexico.
This basin is located within: Charlotte Harbor Watershed
View Maps / Data
CHNEP's Comprehensive Conservation and Management Plan (CCMP) identified four action plans: water quality improvement; hydrological restoration; fish, wildlife, and habitat improvement; and public engagement. Click on the interactive maps below to view data associated with these goals and actions.
Water Quality
Hydrology
Wildlife/Habitats
Resiliency/Weather
Water Quality Snapshot
The Water Quality Snapshot compares the most current water quality data to applicable water quality standards for Chlorophyll a, Phosphorus, Nitrogen, Bacteria, and Dissolved Oxygen to provide a snapshot of how a waterbody is doing. Water quality standards are outlined in Florida Administrative Code 62-302 for fresh/marine waterbodies of different types and uses. A Water Body Identification number (WBID) is an assessment unit that is intended to represent Florida’s waterbodies at the watershed or sub-watershed scale. The assessment units are drainage basins, lakes, lake drainage areas, springs, rivers and streams, segments of rivers and streams, coastal, bay and estuarine waters in Florida.
Showing water quality snapshots for 1 out of 29 WBIDs. View data for all WBIDs
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2065B - CHARLOTTE HARBOR (MIDDLE SEGMENT1)
(cfu/100mL)
View Detailed Data About the Following Topics:
Geography / Land Use(Population, Land Acquisition and Protection, Land Use / Land Cover)
Urban & Built-up
Agriculture
Rangeland
Upland Forests
Water
Wetlands
Barren Land
Utilities
Basin Boundary
Recreation
Photos
2 Year Graph
10 Year Graph
Seasonal Variation Graph
Graph Details and Help
Water quality data is displayed as a scatter-plot with data from individual sampling events displayed by date, for the previous two- and ten-year periods. Data from all available sources are plotted together. Clicking on a graph will open a larger version of it. To view/download data older than ten years, or to view/download data from individual data source(s), click the "Download Data" icon or button.
The scale used is chosen to accommodate typical values for the water quality parameter being graphed. Units are shown on the y-axis and in the graph title.
Graphs are generated and stored in the Water Atlas database on a periodic basis using an automated process. The date when the graph was created is shown.
The Seasonal Variation Graph displays a statistical summary of data from all available data sources for the entire period of record. It is used to illustrate typical variation in the selected water quality parameter from month to month during the year. The diagram below shows how to read the graph:
The median value is shown. Although not specifically marked on the graph, the mean (average) value is midway between the 25th and 75th percentiles.
The "whiskers" indicate the range of the sample values; those that are outside pre-defined "Minimum" and "Maximum" values are excluded. Sample data less than the Minimum or greater than the Maximum are considered to be outliers and are not displayed on the graph.