Pequawket Lake (Rattlesnake Pond)

Brownfield, Oxford, Maine
MIDAS 0401

Secchi transparency (mean, maximum & minimum annual values)

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Pequawket Lake (Rattlesnake Pond)
MIDAS 0401 - Station 1
Year Depth - Meters Depth - Feet
Min Avg Max Min Avg Max
1977 3.5 4.0 4.5 11.5 13.1 14.8
1978 3.5 4.4 5.3 11.5 14.5 17.4
1979 3.5 4.3 5.3 11.5 14.2 17.4
1980 3.4 4.2 4.6 11.2 13.6 15.1
1981 n/a n/a n/a n/a n/a n/a
1982 4 4.2 4.5 13.1 13.8 14.8
1983 3 3.9 4.5 9.8 12.7 14.8
1984 3.5 3.8 4.2 11.5 12.6 13.8
1985 3.6 4.2 5 11.8 13.6 16.4
1986 5 5.8 6.2 16.4 19.0 20.3
1987 4.5 5.3 6 14.8 17.2 19.7
1988 3.5 4.7 6 11.5 15.4 19.7
1989 n/a n/a n/a n/a n/a n/a
1990 4.2 4.6 5 13.8 15.0 16.4
1991 3.5 4.7 6 11.5 15.4 19.7
1992 4.1 4.7 5.5 13.5 15.5 18.0
1993 4.6 5.1 5.5 15.1 16.6 18.0
1994 3.5 3.8 4.1 11.5 12.6 13.5
1995 5 5.3 5.6 16.4 17.5 18.4
1996 3.7 4.1 4.6 12.1 13.3 15.1
1997 4.2 4.3 4.3 13.8 13.9 14.1
1998 n/a n/a n/a n/a n/a n/a
1999 n/a n/a n/a n/a n/a n/a
2000 n/a n/a n/a n/a n/a n/a
2001 n/a n/a n/a n/a n/a n/a
2002 n/a n/a n/a n/a n/a n/a
2003 n/a n/a n/a n/a n/a n/a
2004 n/a n/a n/a n/a n/a n/a
2005 n/a n/a n/a n/a n/a n/a
2006 n/a n/a n/a n/a n/a n/a
2007 n/a n/a n/a n/a n/a n/a
2008 n/a n/a n/a n/a n/a n/a
2009 5 5.7 7 16.4 18.8 23.0
2010 4 5.1 7 13.1 16.6 23.0
2011 4 4.4 5.3 13.1 14.5 17.4
2012 4.1 4.6 5.3 13.5 15.1 17.4
2013 4.4 4.8 5.3 14.4 15.7 17.4
2014 5 5.6 6 16.4 18.4 19.7
2015 4.7 5.2 5.6 15.4 17.0 18.4
2016 4.1 4.8 5.3 13.5 15.8 17.4
2017 4 4.5 5 13.1 14.8 16.4
2018 3.1 4.0 5.1 10.2 13.2 16.7
2019 4.2 5.0 6.4 13.8 16.5 21.0
2020 4 4.5 5 13.1 14.7 16.4
2021 4.9 5.3 5.7 16.1 17.5 18.7
2022 4.4 4.8 5.4 14.4 15.8 17.7


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