Lower Hadlock Pond

Mount Desert, Hancock, Maine
MIDAS 4610

Secchi transparency (mean, maximum & minimum annual values)

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Lower Hadlock Pond
MIDAS 4610 - Station 1
Year Depth - Meters Depth - Feet
Min Avg Max Min Avg Max
1992 6.7 7.1 7.4 22.0 23.3 24.3
1993 7.1 7.9 9.5 23.3 25.9 31.2
1994 n/a n/a n/a n/a n/a n/a
1995 7.7 8.3 8.8 25.3 27.1 28.9
1996 n/a n/a n/a n/a n/a n/a
1997 6.5 6.5 6.5 21.3 21.3 21.3
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 8.5 8.6 8.6 27.9 28.1 28.2
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 6 7.3 8.4 19.7 24.1 27.6
2008 3.3 3.4 3.4 10.8 11.0 11.2
2009 5.6 6.1 6.3 18.4 19.9 20.7
2010 5.2 6.9 8.2 17.1 22.6 26.9
2011 n/a n/a n/a n/a n/a n/a
2012 7.4 7.4 7.4 24.3 24.3 24.3
2013 6.1 7.2 8 20.0 23.6 26.2
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 7.4 8.2 9.2 24.3 26.8 30.2
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 5.2 6.6 7.6 17.1 21.5 24.9
2021 6.5 6.7 6.8 21.3 21.8 22.3
2022 5.6 6.4 7.2 18.4 21.0 23.6


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