milfoil removed from Thompson Lake in Maine

Milfoil and Invasives

Invasive plant species, such as variable leaf milfoil, are a growing threat to Maine lakes.

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Water Quality More Square Pic of Ron Secchi fixed2

Water Quality

Report on the Health of Thompson Lake 2023.

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YCC

Youth Conservation Corp

The Thompson Lake Youth Conservation Corps (YCC) began in 2002 as part of a grant under the Federal Clean Water Act.

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Lakesmart mendelson higher resTLEA Thompson Lake Environmental Association Maine

LakeSmart

LakeSmart is an education and reward program that helps lakefront homeowners manage landscapes in ways that protect water quality.

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Courtesy Boat InspectionTLEA Thompson Lake Environmental Association Maine

Courtesy Boat Inspection

Maine’s Courtesy Boat Inspection Program began in 2001 in an effort to prevent the spread of invasive aquatic plants.

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Thompson Lake Top 5 percent cleanest in Maine water level

Water Level and Dam

The town of Oxford took over the operation of the Robinson Mill dam when the mill became delinquent on property taxes.

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Watershed ErosionTLEA Thompson Lake Environmental Association Maine

Watershed Survey 2023

On May 19-20, 2023,  TLEA conducted a survey of the entire watershed survey.

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watershed map 2022

Previous Watershed Survey

Watershed Surveys need to be repeated every 10 years; below are the results from the 2010-2013 Surveys.

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loon bTLEA Thompson Lake Environmental Association Maine

Loon Count

On the morning of the third Saturday of July each year, over 1,400 volunteers statewide venture onto lakes and ponds across the state to count loons.

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