Ranking of Concern 16 out of 84
Water Quality Grade 2022
D
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The Dunes: Lake 5

26.45300, -82.04227

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Data Summary
Nutrients
2022 2020 2018
IN 0.015 0.688 0.029
TN 4.843.493.9
OP 0.0430.0420.051
TP 0.090.180.09
Chl-a 103.9595.551.1
TSI 84.786.479.8
Salinity 2.22.92.1
DO 6.756.17.7

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The Dunes: Lake 5 has a current ranking of concern of 16 out of 84. We’ve analyzed 84 water bodies on Sanibel Island, and ranked them from 1 (most concerned) to 84 (least concerned) .

. . . . . = State Criteria: measurements above this line suggest impairment to the waterbody.
Historical Data
Rankings
  • 2020 Ranking: 14
  • 2018 Ranking: 35
  • 2016 Ranking: 11
Water Quality Grade
  • 2020 Grade: F
  • 2018 Grade: D
  • 2016 Grade: D