Allagash Lake

T7 R14 WELS, T8 R14 WELS, Piscataquis, Maine
MIDAS 9787

Secchi transparency (mean, maximum & minimum annual values)

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Allagash Lake
MIDAS 9787 - Station 1
Year Depth - Meters Depth - Feet
Min Avg Max Min Avg Max
1987 4.2 5.4 6.6 13.8 17.6 21.7
1988 4.4 5.8 7.2 14.4 18.9 23.6
1989 4.3 5.7 7.5 14.1 18.8 24.6
1990 4.2 5.2 6.1 13.8 17.0 20.0
1991 4.5 5.1 5.5 14.8 16.6 18.0
1992 5 5.6 6.5 16.4 18.2 21.3
1993 5.3 5.8 7 17.4 18.9 23.0
1994 4.5 5.4 6.2 14.8 17.8 20.3
1995 4.5 6.0 6.8 14.8 19.7 22.3
1996 4.3 5.4 7.4 14.1 17.6 24.3
1997 4.6 5.7 7 15.1 18.7 23.0
1998 4.7 5.1 5.3 15.4 16.6 17.4
1999 4.6 5.0 5.7 15.1 16.3 18.7
2000 n/a n/a n/a n/a n/a n/a
2001 4.6 6.0 6.8 15.1 19.6 22.3
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 4.8 5.2 6 15.7 17.1 19.7
2005 4.5 5.4 6.2 14.8 17.7 20.3
2006 5.8 5.8 5.8 19.0 19.0 19.0
2007 4 4.8 5 13.1 15.7 16.4
2008 3.9 4.6 5.1 12.8 15.2 16.7
2009 4.3 4.7 5.2 14.1 15.5 17.1
2010 3.8 4.7 5.3 12.5 15.3 17.4
2011 3.6 4.1 4.3 11.8 13.3 14.1
2012 3.4 4.2 4.6 11.2 13.9 15.1
2013 3.2 4.1 4.6 10.5 13.5 15.1
2014 5.6 5.9 6.7 18.4 19.4 22.0
2015 5 5.8 6.6 16.4 19.2 21.7
2016 4.7 5.8 7 15.4 18.9 23.0
2017 n/a n/a n/a n/a n/a n/a
2018 4.4 5.7 6.4 14.4 18.6 21.0


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