X  

Inner Stonington Harbor

Inner Stonington Harbor

Get hooked on the Data

  • A- 2021

    Inner Stonington Harbor received a A- (92%), a very good grade. All indicators were either good or very good in 2021.

      Dissolved Oxygen
      Water Clarity
      Chlorophyll a
      Seaweeds
      Oxygen Saturation

  • 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-
    B
    A-
    N/A
    B+
A
B
C
D
F
N/A
LEARN ABOUT GRADES