Thompson Lake

Poland, Casco, Otisfield, Oxford, OXFORD, Maine
MIDAS 3444

Secchi transparency (mean, maximum & minimum annual values)

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275

Thompson Lake
MIDAS 3444 - Station 1
Year Depth - Meters Depth - Feet
Min Avg Max Min Avg Max
1977 7.7 9.0 10.5 25.3 29.7 34.4
1978 8.5 8.5 8.5 27.9 27.9 27.9
1979 7.5 8.0 8.5 24.6 26.2 27.9
1980 9 9.0 9 29.5 29.5 29.5
1981 8.5 9.3 10 27.9 30.6 32.8
1982 7.5 8.7 9.5 24.6 28.5 31.2
1983 4.5 5.6 6.6 14.8 18.4 21.7
1984 9 9.0 9 29.5 29.5 29.5
1985 n/a n/a n/a n/a n/a n/a
1986 n/a n/a n/a n/a n/a n/a
1987 8.5 10.8 12.5 27.9 35.5 41.0
1988 9.2 10.1 11.7 30.2 33.1 38.4
1989 5.5 7.7 9.6 18.0 25.1 31.5
1990 7.7 9.8 11.2 25.3 32.0 36.7
1991 6.2 8.8 10.5 20.3 28.8 34.4
1992 5.8 8.1 9.9 19.0 26.5 32.5
1993 6.6 9.0 10.3 21.7 29.7 33.8
1994 8.3 9.3 10.3 27.2 30.6 33.8
1995 9.4 10.4 11.3 30.8 34.2 37.1
1996 7.3 8.3 9.8 24.0 27.4 32.2
1997 7.5 8.4 9.7 24.6 27.5 31.8
1998 6.2 8.7 11.3 20.3 28.7 37.1
1999 6.5 8.7 10 21.3 28.7 32.8
2000 7.3 9.5 11.6 24.0 31.2 38.1
2001 8.8 9.7 10.1 28.9 31.9 33.1
2002 8.6 10.0 11.1 28.2 32.9 36.4
2003 9.5 10.7 13 31.2 35.0 42.7
2004 8.2 9.4 10.4 26.9 30.8 34.1
2005 8 9.7 10.8 26.2 31.8 35.4
2006 8.1 9.2 11 26.6 30.3 36.1
2007 5.6 8.5 10 18.4 27.8 32.8
2008 7.4 10.2 12.6 24.3 33.4 41.3
2009 7.4 8.8 10.6 24.3 28.9 34.8
2010 6.6 8.9 10.6 21.7 29.3 34.8
2011 7 8.5 9.9 23.0 28.0 32.5
2012 5.3 8.3 9.6 17.4 27.2 31.5
2013 6.4 8.0 10.7 21.0 26.3 35.1
2014 7 8.9 11.2 23.0 29.1 36.7
2015 6.9 9.6 11.4 22.6 31.6 37.4
2016 10.2 10.8 11.2 33.5 35.4 36.7
2017 6.8 8.2 9.2 22.3 27.0 30.2
2018 7.9 10.5 12.1 25.9 34.5 39.7
2019 6.2 9.2 10.6 20.3 30.3 34.8
2020 7.8 9.2 10.2 25.6 30.2 33.5
2021 6.6 9.0 10.1 21.7 29.5 33.1
2022 7.2 8.4 9.8 23.6 27.5 32.2


Understanding Transparency

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Distribution of Secchi Disk Transparency in All Maine Lakes

Source Data:
Maine Lakes Transparency, Color & Chemistry: Annual Mean Values

Date-specific Secchi data for this and other Maine lakes can be found HERE