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2025 Ranking of Concern 19 out of 39
Water Quality Grade 2025
C
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Sanibel Communities for Clean Water > Communities

Dinkins Bayou

26.47856, -82.17064

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Data Summary
Nutrients
2025 2024 2022
IN 0.1210.1760.014
TN 1.452.461.9
OP 0.0070.0270.052
TP 0.090.090.07
Chl-a 23.466.111.75
TSI 6776.465.6
Salinity 27.627.623.7
DO 2.872.6

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The most recent samples from Dinkins Bayou were taken in 2025, where it ranked 19 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 Dinkins Bayou:

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: 19 out of 39 sites tested
  • 2024 Ranking: 23 out of 46 sites tested
  • 2023 Ranking: Not tested
  • 2022 Ranking: 62 out of 84 sites tested
  • 2020 Ranking: 28 out of 84 sites tested
  • 2018 Ranking: 7 out of 78 sites tested
  • 2016 Ranking: 10 out of 78 sites tested
Water Quality Grade
  • 2025 Grade: C
  • 2024 Grade: D
  • 2023 Grade: Not tested
  • 2022 Grade: C
  • 2020 Grade: D
  • 2018 Grade: F
  • 2016 Grade: F
Most Impaired - Top 5
Least Impaired - Top 5
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