Colcord Lake

Porter, Oxford, Maine
MIDAS 3160

Secchi transparency (mean, maximum & minimum annual values)

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Colcord Lake
MIDAS 3160 - Station 1
Year Depth - Meters Depth - Feet
Min Avg Max Min Avg Max
1992 7.5 8.2 8.8 24.6 26.8 28.9
1993 8.1 9.0 9.8 26.6 29.4 32.2
1994 7.6 8.3 9.2 24.9 27.4 30.2
1995 7.8 8.5 9 25.6 27.8 29.5
1996 6.6 7.6 8.4 21.7 24.9 27.6
1997 8.6 8.8 9.2 28.2 28.9 30.2
1998 6.3 7.0 7.9 20.7 23.0 25.9
1999 4.6 7.5 8.5 15.1 24.4 27.9
2000 7.5 7.5 7.5 24.6 24.6 24.6
2001 9.1 9.1 9.1 29.9 29.9 29.9
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 5.7 6.5 7.3 18.7 21.3 24.0
2007 6.6 7.7 9 21.7 25.3 29.5
2008 7.5 7.8 8.2 24.6 25.5 26.9
2009 6 7.1 7.5 19.7 23.2 24.6
2010 8.2 8.9 9.4 26.9 29.1 30.8
2011 7.4 7.6 7.8 24.3 24.9 25.6
2012 n/a n/a n/a n/a n/a n/a
2013 6.8 8.0 9.6 22.3 26.1 31.5


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