Friends of Bolton Lakes
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    • Herbicide Treatment to Lower Bolton Lake: May 20, 2013
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middle bolton lake information
UPDATED TWICE A MONTH FROM 4/15 TO 11/1


Picture
6/30/2022
Conditions are good.
In case of a lake emergency please contact 911. 
To report boating accidents or illegal activity on our lake, please contact 860-424-3333 (DEEP, Department of Environmental and Energy Protection, Dispatch).

conditions

clarity
Clarity is measured by using a Secchi disk.  For our lakes over 5 feet is good and under 3.5 feet is not so good.  Below are last four Secchi measurements we have taken.
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Temperature
FBL measures the temperature twice a month at every half meter at the deepest spot in the lake.  Below are the graphs for the last two times we were out on the lake. ​
Picture
Water Level
​There are two lake level monitors that record the level of the lakes every hour.  Below is the graph of the level of Middle Bolton lake since the beginning of the year.
Level are almost back to summer normal.
Hazards
Ecoli
Cyanobacteria
EXPLANATION of stoplight colors
  • Green- Lake is in good shape, all activities are good to go.
  • Yellow - Some activities are not advised or care should be taken when in the lake.
  • Red - The lake is closed due to treatment, eColi or other issues .

Lower bolton lake information

The Bolton town website provides information about Lower Bolton Lake. Click here to access their site.
Copyright © 2025. All Rights Reserved. Friends of Bolton Lakes, Inc., P.O. Box 1385, Manchester, CT 06045
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