Bear Pond

Waterford, Oxford, Maine
MIDAS 3420

Secchi transparency (mean, maximum & minimum annual values)

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Bear Pond
MIDAS 3420 - Station 1
Year Depth - Meters Depth - Feet
Min Avg Max Min Avg Max
1978 3 3.7 5 9.8 12.1 16.4
1979 5.1 5.1 5.1 16.7 16.7 16.7
1980 7.5 7.5 7.5 24.6 24.6 24.6
1981 n/a n/a n/a n/a n/a n/a
1982 5 5.0 5 16.4 16.4 16.4
1983 n/a n/a n/a n/a n/a n/a
1984 4 5.5 6.5 13.1 18.0 21.3
1985 4.5 4.8 5.5 14.8 15.6 18.0
1986 4.5 5.0 5.5 14.8 16.4 18.0
1987 4.5 5.4 7 14.8 17.6 23.0
1988 3.8 5.0 7.2 12.5 16.2 23.6
1989 3 4.8 6 9.8 15.9 19.7
1990 4 4.4 5 13.1 14.6 16.4
1991 4.6 5.6 6.8 15.1 18.3 22.3
1992 4 5.1 6 13.1 16.8 19.7
1993 3.7 5.9 7 12.1 19.4 23.0
1994 4.3 5.5 6.8 14.1 18.1 22.3
1995 5.1 5.9 6.8 16.7 19.4 22.3
1996 4.3 5.7 6.9 14.1 18.6 22.6
1997 4.5 5.9 6.9 14.8 19.3 22.6
1998 4.6 5.2 6.4 15.1 17.0 21.0
1999 4.9 5.7 6.5 16.1 18.7 21.3
2000 4.2 5.2 6.6 13.8 17.2 21.7
2001 4.6 5.6 7.1 15.1 18.4 23.3
2002 4.9 6.0 7.1 16.1 19.7 23.3
2003 5.4 6.1 7 17.7 20.1 23.0
2004 3.9 5.2 6.7 12.8 17.2 22.0
2005 4.6 5.7 7.2 15.1 18.7 23.6
2006 4.4 5.7 6.9 14.4 18.6 22.6
2007 4.5 5.8 7.1 14.8 18.9 23.3
2008 3.8 5.3 6.9 12.5 17.4 22.6
2009 3.4 4.6 5.3 11.2 15.0 17.4
2010 4.8 5.9 7 15.7 19.4 23.0
2011 4.4 5.2 6.1 14.4 17.1 20.0
2012 3.7 4.8 5.8 12.1 15.6 19.0
2013 4 4.9 5.8 13.1 16.1 19.0
2014 4.2 5.4 6.6 13.8 17.9 21.7
2015 4.6 5.7 6.9 15.1 18.6 22.6
2016 4.6 5.8 7.1 15.1 19.2 23.3
2017 3.7 5.1 7.2 12.1 16.8 23.6
2018 4.1 6.4 7.6 13.5 21.1 24.9
2019 3 5.6 7.2 9.8 18.4 23.6
2020 3.5 5.7 6.9 11.5 18.7 22.6
2021 4.2 5.9 6.8 13.8 19.4 22.3
2022 4.4 6.0 7 14.4 19.6 23.0


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