2023 Ranking of Concern 2out of 23
Water Quality Grade 2023
F
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Heron’s Landing

26.47001, -82.15974

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Data Summary
Nutrients
2023 2022 2020 2018
IN 0.86 0.112 0.409 0.028
TN 2.88 11.12.513.42
OP 0.49 0.6221.8452.97
TP 0.48 0.751.893.02
Chl-a 199.5 36.359114.5
TSI 88 93.498.299.6
Salinity 26.1 9.5518.514.5
DO 3.4 3.352.42.8

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Heron’s Landing has a current ranking of concern of 5 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
  • 2023 Ranking: 2
  • 2022 Ranking: 5
  • 2020 Ranking: 4
  • 2018 Ranking: 18
  • 2016 Ranking: NR
Water Quality Grade
  • 2023 Grade: F
  • 2022 Grade: F
  • 2020 Grade: F
  • 2018 Grade: F
  • 2016 Grade: NR