Silver Lake (Figure Eight Pond)

Manchester, Sidney, Kennebec, Maine
MIDAS 5294

Secchi transparency (mean, maximum & minimum annual values)

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Silver Lake (Figure Eight Pond)
MIDAS 5294 - Station 1
Year Depth - Meters Depth - Feet
Min Avg Max Min Avg Max
1979 4.5 5.3 6.7 14.8 17.4 22.0
1980 4 5.9 7.5 13.1 19.2 24.6
1981 4 5.5 7 13.1 18.0 23.0
1982 5.5 6.2 8 18.0 20.2 26.2
1983 5.5 6.5 8.5 18.0 21.3 27.9
1984 4 5.7 7 13.1 18.8 23.0
1985 5.5 7.2 8.5 18.0 23.6 27.9
1986 4.5 6.4 8 14.8 21.0 26.2
1987 4.5 6.5 8.5 14.8 21.2 27.9
1988 5 6.5 8 16.4 21.5 26.2
1989 5.5 7.0 10 18.0 22.8 32.8
1990 5.5 6.8 8.5 18.0 22.4 27.9
1991 5 6.6 8.2 16.4 21.5 26.9
1992 6.5 7.5 9.5 21.3 24.6 31.2
1993 6 7.4 8.8 19.7 24.1 28.9
1994 5.7 7.3 9.7 18.7 23.9 31.8
1995 5 6.8 8.3 16.4 22.3 27.2
1996 6.2 7.7 9.1 20.3 25.4 29.9
1997 6.5 7.8 10.5 21.3 25.4 34.4
1998 5.9 7.8 9.2 19.4 25.7 30.2
1999 6.2 7.9 9.4 20.3 25.9 30.8
2000 6.9 8.0 9 22.6 26.3 29.5
2001 7.5 8.7 9.8 24.6 28.5 32.2
2002 7.4 9.3 11 24.3 30.4 36.1
2003 7.8 9.4 12.6 25.6 30.7 41.3
2004 6.4 8.6 11.4 21.0 28.3 37.4
2005 7.2 9.2 12.9 23.6 30.0 42.3
2006 6.3 7.8 9.5 20.7 25.5 31.2
2007 7.2 9.8 11.9 23.6 32.3 39.0
2008 7.4 8.4 10.9 24.3 27.6 35.8
2009 7.6 10.4 12.5 24.9 34.1 41.0
2010 7.1 8.5 11.1 23.3 28.0 36.4
2011 6.6 8.6 10.1 21.7 28.2 33.1
2012 5.4 8.1 12.6 17.7 26.6 41.3
2013 6.4 8.2 10.2 21.0 27.0 33.5
2014 5.8 8.5 10.3 19.0 28.0 33.8
2015 7 8.4 11.3 23.0 27.4 37.1
2016 7.1 9.7 11.5 23.3 31.7 37.7
2017 4.2 7.6 9.4 13.8 24.8 30.8
2018 7.6 9.9 12.1 24.9 32.3 39.7
2019 5.5 8.6 11 18.0 28.3 36.1
2020 5.5 8.5 11.2 18.0 27.8 36.7
2021 6.1 9.0 12.2 20.0 29.6 40.0
2022 7.8 10.0 12.7 25.6 32.8 41.7


Understanding Transparency

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

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