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2025 Ranking of Concern 2 out of 39
Water Quality Grade 2025
F
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Sanibel Communities for Clean Water > Communities

Heron’s Landing

26.47001, -82.15974

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Data Summary
Nutrients
2025 2024 2023
IN 0.5560.6080.86
TN 2.632.832.88
OP 0.7530.8620.49
TP 0.690.710.48
Chl-a 93.570.5199.5
TSI 92.791.788
Salinity 23.620.126.1
DO 6.633.4

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The most recent samples from Heron’s Landing were taken in 2025, where it ranked 2 out of 39 sites tested that year. In this dataset, a ranking of 1 represents the most impaired site, while 39 represents the least impaired.

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BMPs (Best Management Practices) implemented at Heron’s Landing:

No BMPs have been reported at this location yet.

. . . . . = State Criteria: measurements above this line suggest impairment to the waterbody.
Historical Data
Rankings
  • 2025 Ranking: 2 out of 39 sites tested
  • 2024 Ranking: 1 out of 46 sites tested
  • 2023 Ranking: 2 out of 23 sites tested
  • 2022 Ranking: 5 out of 84 sites tested
  • 2020 Ranking: 4 out of 84 sites tested
  • 2018 Ranking: 18 out of 78 sites tested
  • 2016 Ranking: NR out of 78 sites tested
Water Quality Grade
  • 2025 Grade: F
  • 2024 Grade: F
  • 2023 Grade: F
  • 2022 Grade: F
  • 2020 Grade: F
  • 2018 Grade: F
  • 2016 Grade: NR
Most Impaired - Top 5
Least Impaired - Top 5
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