Ranking of Concern 21 out of 78
2016 Ranking: 34
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The Dunes: Lake 4

26.455145, -82.052543

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Data Summary
Nutrients
2018 2016
IN 0.075 0.043
TN 4.912.15
OP 0.0330.081
TP 0.140.14
Chl-a 88.317.8
TSI 86.572.8
Salinity 3.95.05
DO 5.56.85

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The Dunes: Lake 4 has a current ranking of concern of 21 out of 78. We’ve analyzed 72 water bodies on Sanibel Island, and ranked them from 1 (most concerned) to 78 (least concerned).

. . . . . = State Criteria: measurements above this line suggest impairment to the waterbody.