Long Pond (Turners Lake)

Isle Au Haut, Knox, Maine
MIDAS 5562

Secchi transparency (mean, maximum & minimum annual values)

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Long Pond (Turners Lake)
MIDAS 5562 - Station 1
Year Depth - Meters Depth - Feet
Min Avg Max Min Avg Max
1994 8.1 8.1 8.1 26.6 26.6 26.6
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 5.6 5.6 5.6 18.4 18.4 18.4
2009 4.6 4.6 4.6 15.1 15.1 15.1
2010 6 7.8 10.6 19.7 25.6 34.8
2011 6.2 7.9 9.4 20.3 25.9 30.8
2012 5.8 5.8 5.8 19.0 19.0 19.0
2013 n/a n/a n/a n/a n/a n/a
2014 7.4 7.4 7.4 24.3 24.3 24.3
2015 7.8 8.2 8.5 25.6 26.7 27.9
2016 7 7.9 10.7 23.0 26.0 35.1
2017 2.9 8.1 10.6 9.5 26.6 34.8
2018 6.2 7.6 8.4 20.3 25.0 27.6


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