Crystal Lake (Dry Pond)

Gray, Cumberland, Maine
MIDAS 3708

Secchi transparency (mean, maximum & minimum annual values)

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Crystal Lake (Dry Pond)
MIDAS 3708 - Station 1
Year Depth - Meters Depth - Feet
Min Avg Max Min Avg Max
1974 4.3 5.9 7.1 14.1 19.4 23.3
1975 5.5 6.9 8.5 18.0 22.7 27.9
1976 3.3 6.1 8.4 10.8 19.9 27.6
1977 5.2 5.2 5.2 17.1 17.1 17.1
1978 n/a n/a n/a n/a n/a n/a
1979 n/a n/a n/a n/a n/a n/a
1980 n/a n/a n/a n/a n/a n/a
1981 7.5 7.8 8.5 24.6 25.7 27.9
1982 n/a n/a n/a n/a n/a n/a
1983 n/a n/a n/a n/a n/a n/a
1984 4.8 5.6 6.1 15.7 18.4 20.0
1985 n/a n/a n/a n/a n/a n/a
1986 5.7 7.0 7.9 18.7 22.8 25.9
1987 5.3 6.8 8 17.4 22.4 26.2
1988 4 6.6 9.5 13.1 21.5 31.2
1989 4.3 5.3 6.2 14.1 17.5 20.3
1990 n/a n/a n/a n/a n/a n/a
1991 4.2 5.6 7.6 13.8 18.5 24.9
1992 5.5 5.9 6.2 18.0 19.2 20.3
1993 n/a n/a n/a n/a n/a n/a
1994 6.5 6.8 7 21.3 22.4 23.0
1995 4.6 5.4 6.1 15.1 17.6 20.0
1996 4.7 5.2 5.7 15.4 17.1 18.7
1997 3.6 4.2 4.7 11.8 13.9 15.4
1998 5.5 5.5 5.5 18.0 18.0 18.0
1999 6.2 6.3 6.4 20.3 20.7 21.0
2000 n/a n/a n/a n/a n/a n/a
2001 5.3 6.7 7.8 17.4 22.0 25.6
2002 5.2 6.5 7.8 17.1 21.2 25.6
2003 5.7 6.7 8 18.7 21.9 26.2
2004 5.4 6.3 7.5 17.7 20.7 24.6
2005 4.4 5.3 6.8 14.4 17.3 22.3
2006 4.4 5.5 6.8 14.4 18.2 22.3
2007 4.6 5.7 7.5 15.1 18.8 24.6
2008 5.3 6.4 7.8 17.4 21.0 25.6
2009 4.7 5.5 6.4 15.4 18.0 21.0
2010 4.4 6.6 8 14.4 21.6 26.2
2011 4.2 5.9 7.6 13.8 19.3 24.9
2012 4.6 5.5 6.9 15.1 17.9 22.6
2013 5.6 6.4 7 18.4 20.9 23.0
2014 5.5 6.3 7.1 18.0 20.6 23.3
2015 5.8 6.7 7.5 19.0 22.1 24.6
2016 6.3 7.0 7.2 20.7 22.9 23.6
2017 5.4 5.8 6.1 17.7 19.0 20.0
2018 6.4 7.0 7.5 21.0 22.8 24.6
2019 6.1 6.9 7.3 20.0 22.5 24.0


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