Harriman Pond

Dedham, Hancock, Maine
MIDAS 4306

Secchi transparency (mean, maximum & minimum annual values)

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Harriman Pond
MIDAS 4306 - Station 1
Year Depth - Meters Depth - Feet
Min Mean Max Min Mean Max
1984 8.4 8.1 7.8 27.6 26.6 25.6
1985 12.3 10.2 8.3 40.4 33.3 27.2
1986 n/a n/a n/a n/a n/a n/a
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 n/a n/a n/a n/a n/a n/a
1990 11 9.6 7.7 36.1 31.5 25.3
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 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 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 9.96 9.4 9 32.7 30.9 29.5
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 8.39 7.5 6.77 27.5 24.5 22.2
2020 8.95 8.2 6.95 29.4 26.9 22.8
2021 8.83 7.3 6.45 29.0 24.0 21.2
2022 9.13 8.0 7.15 30.0 26.2 23.5
2023 9.31 8.3 6.89 30.5 27.2 22.6
2024 9.68 8.9 8.28 31.8 29.2 27.2
2025 8.98 8.3 7.45 29.5 27.3 24.4


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