Home Data & Mapping Water Quality Contour Mapping Custom Contour Maps Request Details

Water Quality Contour Mapping Request

Note: The generation of custom contour maps is currently not being maintained due to outdated toolsets.

This page contains detailed information on the Chlorophyll a (ug/l) request made for the period of 1/1/2015 to 12/31/2016.

You will see information on the bay segments along with supporting metadata for the sampling locations used. To download the requested map click the "View Contour Map Document" link below.



Like any data provisioning system, the Water Quality Contour Mapping application has some restrictions to use. The below disclaimer should be read carefully before requesting contour maps. Also, the user should fully understand that the information provided should in no way be altered to misrepresent data content or the degree of accuracy provided by the data.

  • The data obtained from the Sarasota County Water Atlas may be provisional and thus subject to revision. The sponsoring project partners, the Florida Center for Community Design and Research at the University of South Florida, and the University of South Florida specifically disclaim any warranty, either expressed or implied, including but not limited to the implied warranties of merchantability and fitness for a particular use. The entire risk as to quality and performance is with the user.
  • In no event will the sponsoring project partners, the Florida Center for Community Design and Research at the University of South Florida, the University of South Florida, or the data providers themselves be liable for any direct, indirect, incidental, special, consequential, or other damages, including loss of profit, arising out of the use of these data even if the funding agencies, sponsoring project partners, data providers, or the University of South Florida or the Florida Center for Community Design and Research at the University of South Florida have been advised of the possibility of such damages. If you have any questions concerning these data, please use this data contact form.

If you have any specific ideas that could help us improve the water quality contour mapping system or if you have questions related to the limitations of the current system, please provide your suggestions using our comment form.

I have read and acknowledge the limitations of the current water quality contour mapping system.

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Contour Map Thumbnail
Map Legend

Chlorophyll a (ug/l)

  • Request ID: 1227
  • Request Completed On: 10/31/2017
  • Characteristic: Chlorophyll a (ug/l)
  • Sampling Activity Depth: Samples measured at surface and mid-depth
  • Date Range: 1/1/2015 - 12/31/2016
Bay Segment# Data Sources# Stations# SamplesAverage ValueData Range
Blackburn Bay 148114 9.22 ug/l
1.17 - 59.70 ug/l
1/6/2015 - 12/7/2016
Blind Pass 000
Dona Bay 12449 7.40 ug/l
1.43 - 57.10 ug/l
1/6/2015 - 12/7/2016
Dryman Bay 11226 10.95 ug/l
2.08 - 68.00 ug/l
1/6/2015 - 12/7/2016
Intracoastal Waterway Venice 11224 9.72 ug/l
2.35 - 44.60 ug/l
1/6/2015 - 12/7/2016
Lemon Bay 264243 10.11 ug/l
1.50 - 60.30 ug/l
1/5/2015 - 12/7/2016
Little Sarasota Bay 160124 11.47 ug/l
1.19 - 47.30 ug/l
1/6/2015 - 12/7/2016
Lyons Bay 11224 10.72 ug/l
1.99 - 58.80 ug/l
1/6/2015 - 12/7/2016
Roberts Bay Sarasota 160132 11.53 ug/l
1.77 - 51.40 ug/l
1/6/2015 - 12/7/2016
Roberts Bay Venice 11226 7.67 ug/l
1.26 - 35.99 ug/l
1/6/2015 - 12/7/2016
Sarasota Bay 1180442 5.57 ug/l
0.85 - 43.40 ug/l
1/6/2015 - 12/7/2016
Data Source# Stations# SamplesAverage ValueData Range
Sarasota County Environmental Services Department Sampling Data 4801,102 8.73 ug/l
0.85 - 68.00 ug/l
1/6/2015 - 12/7/2016
FDEP Charlotte Harbor Aquatic/Buffer Preserves Sampling Data 4102 6.17 ug/l
1.50 - 25.00 ug/l
1/5/2015 - 12/5/2016