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Manatee County Water Atlas


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Sarasota Bay Coastal Watershed

Sarasota Bay Coastal Watershed

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Description

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

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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
 

Water Quality

The following data are summarized as seasonal average values for lake and river sampling locations located within the watershed. While these data are useful to serve as a general picture of watershed health, these data must be viewed with caution because these samples have been taken from ecologically different water resources.

Rivers:
Samples from most rivers located in this watershed are averaged as part of these data summaries.
Season Total Nitrogen Nitrate (NO3) Total Phosphorus Orthophosphate Number of Sample Stations Number of Samples
OCT-DEC 2023 959 ug/l No Data Available 239 ug/l No Data Available 2 4
JUL-SEP 2023 1,107 ug/l No Data Available 217 ug/l No Data Available 2 4
APR-JUN 2023 844 ug/l No Data Available 246 ug/l No Data Available 2 6
JAN-MAR 2023 823 ug/l No Data Available 214 ug/l No Data Available 2 6
OCT-DEC 2022 786 ug/l No Data Available 169 ug/l No Data Available 2 6
APR-JUN 2022 836 ug/l No Data Available 181 ug/l No Data Available 2 6
JAN-MAR 2022 911 ug/l No Data Available 173 ug/l No Data Available 2 6
Five Year Seasonal Graph No Data Available No Data Available
Five Year Graph of All Samples No Data Available No Data Available

Source(s): FDEP Watershed Monitoring Section, Manatee County Environmental Management Sampling Data, USGS National Water Information System, Manatee County Environmental Management Sampling Data

Lakes:
Samples from most lakes located in this watershed are averaged as part of these data summaries.
Season Total Nitrogen Nitrate (NO3) Total Phosphorus Orthophosphate Number of Sample Stations Number of Samples
No Data Available
Five Year Seasonal Graph No Data Available No Data Available No Data Available No Data Available
Five Year Graph of All Samples No Data Available No Data Available No Data Available No Data Available

Source(s): FDEP Watershed Monitoring Section

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    Groundwater Quantity: Aquifer Resource Indicator

    Southwest Florida Water Management District calculates the Aquifer Resource Indicator (ARI) for their three groundwater regions each month. The ARI was created to provide the public with a gauge of groundwater levels in their area, so they can develop an understanding of the severity and cycles of drought and recovery. The three regions include: North (Citrus, Hernando, Lake, Levy, Marion, and Sumter counties), Central (Hillsborough, Pasco, Pinellas, and Polk counties), and South (Charlotte, DeSoto, Hardee, Highlands, Manatee, and Sarasota counties). Learn More about the Aquifer Resource Indicator >>

    To determine the ARI for a region, each well is compared weekly to its respective low-normal value and the difference is calculated. The weekly differences are reduced to a monthly value for all monitoring wells within a region, and the resulting ARI value represents how far water levels in the aquifer must rise or fall to reach their respective low-normal values.

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    Source: SWFWMD Hydrologic Data Section Data


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      Stream Flow and Levels

      Stream level and flow data for the Sarasota Bay Coastal Watershed. Learn More about Stream Flow »

      River Flows Whole River Range Flows Data by Segment Levels Whole River Range Levels Data By Segment
      NO DATA

      Source(s): Not Available

      Source(s): Not Available
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