Big Bear & Little Bear Pond

Turner, Hartford, OXFORD, Maine
MIDAS 3624

Secchi transparency (mean, maximum & minimum annual values)

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Big Bear & Little Bear Pond
MIDAS 3624 - Station 1
Year Depth - Meters Depth - Feet
Min Avg Max Min Avg Max
1977 5 6.7 7.5 16.4 21.9 24.6
1978 5.8 6.2 6.6 19.0 20.3 21.7
1979 5.2 5.6 6.4 17.1 18.5 21.0
1980 4.8 6.1 6.8 15.7 19.9 22.3
1981 5.5 6.5 7.5 18.0 21.4 24.6
1982 5.5 6.3 7 18.0 20.8 23.0
1983 4.8 6.2 7 15.7 20.3 23.0
1984 5.5 6.4 7.2 18.0 20.8 23.6
1985 5.5 6.5 7.3 18.0 21.4 24.0
1986 5 6.1 7 16.4 20.1 23.0
1987 4 5.5 7 13.1 18.0 23.0
1988 4 5.2 6.5 13.1 17.1 21.3
1989 3.5 4.9 6 11.5 16.2 19.7
1990 4.5 5.7 6.9 14.8 18.5 22.6
1991 4.5 5.2 6 14.8 17.0 19.7
1992 4.5 5.3 6 14.8 17.3 19.7
1993 4 5.3 6.7 13.1 17.4 22.0
1994 4.8 5.4 5.9 15.7 17.6 19.4
1995 4.6 5.6 6.3 15.1 18.4 20.7
1996 3.8 4.9 5.4 12.5 16.0 17.7
1997 5.6 6.6 7.6 18.4 21.6 24.9
1998 3.4 5.2 6.9 11.2 17.2 22.6
1999 4.5 5.7 6.4 14.8 18.7 21.0
2000 4.5 5.4 5.7 14.8 17.6 18.7
2001 5.2 5.6 5.9 17.1 18.5 19.4
2002 4.8 5.5 6.6 15.7 18.0 21.7
2003 5.3 6.2 6.8 17.4 20.3 22.3
2004 5.7 6.2 7.7 18.7 20.4 25.3
2005 5 5.6 6.3 16.4 18.3 20.7
2006 5.2 5.7 6.3 17.1 18.6 20.7
2007 5.6 6.1 7.1 18.4 20.0 23.3
2008 5.1 5.9 6.6 16.7 19.3 21.7
2009 5.3 5.7 5.9 17.4 18.6 19.4
2010 4.9 5.4 6.1 16.1 17.7 20.0
2011 3.6 5.8 6.6 11.8 18.9 21.7
2012 5.8 6.0 6.2 19.0 19.7 20.3
2013 4.8 5.4 5.9 15.7 17.7 19.4
2014 4.4 5.0 5.6 14.4 16.2 18.4
2015 6.4 6.7 7.2 21.0 22.0 23.6
2016 4.4 5.1 5.8 14.4 16.8 19.0
2017 5.6 6.2 7.2 18.4 20.5 23.6
2018 4.9 5.3 5.7 16.1 17.4 18.7
2019 5 5.7 6.3 16.4 18.8 20.7
2020 n/a n/a n/a n/a n/a n/a
2021 n/a n/a n/a n/a n/a n/a
2022 5.5 6.1 6.9 18.0 19.9 22.6


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