North Pond

Greenwood, Woodstock, Oxford, Maine
MIDAS 3460

Secchi transparency (mean, maximum & minimum annual values)

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275

North Pond
MIDAS 3460 - Station 1
Year Depth - Meters Depth - Feet
Min Avg Max Min Avg Max
1982 4.4 4.8 5.6 14.4 15.7 18.4
1983 4.3 5.1 5.7 14.1 16.6 18.7
1984 3.5 4.3 5.2 11.5 14.1 17.1
1985 5 5.5 5.7 16.4 17.9 18.7
1986 5 5.0 5 16.4 16.4 16.4
1987 5 5.2 5.5 16.4 16.9 18.0
1988 5 5.6 6.3 16.4 18.4 20.7
1989 5.3 5.4 5.6 17.4 17.8 18.4
1990 5.8 6.1 6.6 19.0 19.9 21.7
1991 4.7 5.4 5.9 15.4 17.8 19.4
1992 4.9 6.0 7 16.1 19.6 23.0
1993 5.2 5.7 6.2 17.1 18.8 20.3
1994 5.3 5.6 5.9 17.4 18.4 19.4
1995 5 5.4 6 16.4 17.6 19.7
1996 5.3 5.9 6.6 17.4 19.4 21.7
1997 4.7 5.8 6.6 15.4 19.2 21.7
1998 4.5 6.0 6.8 14.8 19.8 22.3
1999 5.6 6.1 6.6 18.4 19.9 21.7
2000 5.8 6.4 7 19.0 21.0 23.0
2001 6 6.3 6.6 19.7 20.6 21.7
2002 6 6.5 7 19.7 21.4 23.0
2003 5.5 6.6 7.2 18.0 21.8 23.6
2004 5.9 6.6 6.9 19.4 21.6 22.6
2005 5.9 6.3 6.8 19.4 20.7 22.3
2006 4.7 5.9 6.8 15.4 19.4 22.3
2007 5 6.4 7.2 16.4 21.0 23.6
2008 5.2 5.8 6.4 17.1 18.9 21.0
2009 4 5.4 6.7 13.1 17.9 22.0
2010 5.4 6.1 7.4 17.7 19.8 24.3
2011 4.4 5.0 5.7 14.4 16.5 18.7
2012 4.3 5.2 6 14.1 17.1 19.7
2013 4.3 5.0 5.6 14.1 16.4 18.4
2014 4.8 5.5 6.1 15.7 18.1 20.0
2015 6.2 6.2 6.2 20.3 20.3 20.3
2016 n/a n/a n/a n/a n/a n/a
2017 n/a n/a n/a n/a n/a n/a
2018 6.4 6.4 6.4 21.0 21.0 21.0
2019 5.6 6.3 6.8 18.4 20.6 22.3
2020 5.2 5.8 6.1 17.1 18.9 20.0
2021 4.5 5.3 6.2 14.8 17.5 20.3
2022 5 6.3 7.7 16.4 20.8 25.3


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