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Ranking of Concern 76 out of 84
Water Quality Grade 2022
C
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Sanibel Communities for Clean Water > Communities

The Sanctuary: Lake 4

26.43860, -82.11232

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Data Summary
Nutrients
2022 2020 2018
IN 0.014 0.019 0.025
TN 1.61.592.91
OP 0.0130.0290.045
TP 0.040.050.06
Chl-a 18.0521.657.9
TSI 62.864.575.8
Salinity 0.710.7
DO 7.857.58.3

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The Sanctuary: Lake 4 has a current ranking of concern of 76 out of 84. We’ve analyzed 84 water bodies on Sanibel Island, and ranked them from 1 (most concerned) to 84 (least concerned) .

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BMPs (Best Management Practices) implemented at The Sanctuary: Lake 4:

No BMPs have been reported at this location yet.

. . . . . = State Criteria: measurements above this line suggest impairment to the waterbody.
Historical Data
Rankings
  • 2020 Ranking: 80
  • 2018 Ranking: 40
  • 2016 Ranking: 62
Water Quality Grade
  • 2020 Grade: C
  • 2018 Grade: D
  • 2016 Grade: C
Most Impaired - Top 5
Least Impaired - Top 5
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