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Outer Stonington Harbor

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Outer Stonington Harbor

Monitoring Group
Get hooked on the Data

  • A 2023
    2023
    2017201820192020202120222023
    1081613231518

    Outer Stonington Harbor received a A (94%), a very good grade. All indicators received a good or very good grade in 2023.

      Dissolved Oxygen
      Water Clarity
      Chlorophyll a
      Seaweeds
      Oxygen Saturation
  • Score (%)0102030405060708090100Overall health indexDissolved oxygenWater clarityChlorophyll aSeaweedsOxygen saturationWater Quality Indicators

    2017 2018 2019 2020 2021 2022 2023
    10 
    in    		 8 
    in    		 16 
    in    		 13 
    in    		 23 
    in    		 15 
    in    		 18 
    in
    N/A
    B
    A
    A
    A
    N/A
    A
  • Year
    Overall health index
    Dissolved oxygen
    Water clarity
    Chlorophyll a
    Seaweeds
    Oxygen saturation
    2023
    94 (A)
    96 (A)
    98 (A+)
    100 (A+)
    82 (B-)
    94 (A)
    2022
    (N/A)
    (N/A)
    (N/A)
    (N/A)
    (N/A)
    (N/A)
    2021
    95 (A)
    100 (A+)
    80 (B-)
    100 (A+)
    98 (A+)
    96 (A)
    2020
    96 (A)
    96 (A)
    100 (A+)
    98 (A+)
    89 (B+)
    100 (A+)
    2019
    96 (A)
    100 (A+)
    96 (A)
    100 (A+)
    88 (B+)
    98 (A+)
    2018
    86 (B)
    97 (A+)
    100 (A+)
    100 (A+)
    39 (F)
    94 (A)
    2017
    (N/A)
    (N/A)
    (N/A)
    (N/A)
    (N/A)
    (N/A)
A
B
C
D
F
N/A
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