Upper Lead Mtn Pond

T22 MD, T28 MD, Hancock, Maine
MIDAS 4482

Secchi transparency (mean, maximum & minimum annual values)

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Upper Lead Mtn Pond
MIDAS 4482 - Station 1
Year Depth - Meters Depth - Feet
Min Mean Max Min Mean Max
1974 7.3 6.0 5.2 24.0 19.6 17.1
1975 9 7.0 5.9 29.5 23.1 19.4
1976 6.8 5.6 4.5 22.3 18.4 14.8
1977 7.3 6.3 5.5 24.0 20.6 18.0
1978 8.7 7.2 6.2 28.5 23.5 20.3
1979 n/a n/a n/a n/a n/a n/a
1980 8.6 8.6 8.6 28.2 28.2 28.2
1981 n/a n/a n/a n/a n/a n/a
1982 n/a n/a n/a n/a n/a n/a
1983 7.6 7.6 7.6 24.9 24.9 24.9
1984 n/a n/a n/a n/a n/a n/a
1985 8.7 7.9 7.3 28.5 25.9 24.0
1986 7 7.0 7 23.0 23.0 23.0
1987 n/a n/a n/a n/a n/a n/a
1988 n/a n/a n/a n/a n/a n/a
1989 7.2 5.2 4 23.6 17.0 13.1
1990 n/a n/a n/a n/a n/a n/a
1991 n/a n/a n/a n/a n/a n/a
1992 n/a n/a n/a n/a n/a n/a
1993 n/a n/a n/a n/a n/a n/a
1994 n/a n/a n/a n/a n/a n/a
1995 n/a n/a n/a n/a n/a n/a
1996 n/a n/a n/a n/a n/a n/a
1997 n/a n/a n/a n/a n/a n/a
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 6.9 6.9 6.8 22.6 22.5 22.3
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 n/a n/a n/a n/a n/a n/a
2010 n/a n/a n/a n/a n/a n/a
2011 n/a n/a n/a n/a n/a n/a
2012 n/a n/a n/a n/a n/a n/a
2013 n/a n/a n/a n/a n/a n/a
2014 n/a n/a n/a n/a n/a n/a
2015 n/a n/a n/a n/a n/a n/a
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 n/a n/a n/a n/a n/a n/a
2019 n/a n/a n/a n/a n/a n/a
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 n/a n/a n/a n/a n/a n/a
2023 6 5.7 5.6 19.7 18.8 18.4


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