Crystal Pond

Washington, Knox, Maine
MIDAS 4900

Secchi transparency (mean, maximum & minimum annual values)

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275

Crystal Pond
MIDAS 4900 - Station 1
Year Depth - Meters Depth - Feet
Min Avg Max Min Avg Max
1997 3.9 5.0 6.1 12.8 16.4 20.0
1998 4.4 4.8 5.5 14.4 15.9 18.0
1999 6.4 6.8 7.2 21.0 22.3 23.6
2000 5.4 5.8 6.4 17.7 19.0 21.0
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 6.6 7.2 7.8 21.7 23.6 25.6
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 6 6.0 6 19.7 19.7 19.7
2008 6.4 6.5 6.5 21.0 21.2 21.3
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 7.1 7.1 7.1 23.3 23.3 23.3
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 5.6 6.6 7 18.4 21.5 23.0
2016 6.4 6.4 6.4 21.0 21.0 21.0
2017 n/a n/a n/a n/a n/a n/a
2018 4.9 6.1 6.7 16.1 19.9 22.0
2019 4.2 4.8 5.5 13.8 15.6 18.0
2020 5.5 6.2 6.6 18.0 20.2 21.7
2021 n/a n/a n/a n/a n/a n/a
2022 5.6 6.1 6.7 18.4 19.9 22.0


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