Churchill (Heron) Lake

T9 R12 WELS, T10 R12 WELS, Piscataquis, Maine
MIDAS 2856

Secchi transparency (mean, maximum & minimum annual values)

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**2019 data is currently in review. Due to circumstances outside of the Lake Stewards of Maine organization, the data is not yet ready for uploading. Thank you for your patience.

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Churchill (Heron) Lake
MIDAS 2856 - Station 1
Year Depth - Meters Depth - Feet
Min Avg Max Min Avg Max
1982 4 4 4 13.1 13.1 13.1
1983 n/a n/a n/a n/a n/a n/a
1984 n/a n/a n/a n/a n/a n/a
1985 n/a n/a n/a n/a n/a n/a
1986 n/a n/a n/a n/a n/a n/a
1987 2.8 3.2 3.5 9.2 10.5 11.5
1988 2.9 3.4 4 9.5 11.2 13.1
1989 3.1 3.5 4.5 10.2 11.5 14.8
1990 2.9 3.8 4.4 9.5 12.5 14.4
1991 3.2 3.6 3.9 10.5 11.8 12.8
1992 2.8 3.3 3.6 9.2 10.8 11.8
1993 3.6 4.4 4.9 11.8 14.4 16.1
1994 4 4.7 5 13.1 15.4 16.4
1995 3.6 4.7 5.4 11.8 15.4 17.7
1996 2.4 3.5 5.1 7.9 11.5 16.7
1997 3 3.8 5.4 9.8 12.5 17.7
1998 3.4 4.2 5 11.2 13.8 16.4
1999 3.7 4.5 5.1 12.1 14.8 16.7
2000 4 4.4 5.2 13.1 14.4 17.1
2001 3.6 4.4 5 11.8 14.4 16.4
2002 n/a n/a n/a n/a n/a n/a
2003 3.6 3.9 4.5 11.8 12.8 14.8
2004 3.6 4.1 4.3 11.8 13.5 14.1
2005 3.2 3.9 4.6 10.5 12.8 15.1
2006 3.2 4 4.7 10.5 13.1 15.4
2007 3.5 4.2 5.2 11.5 13.8 17.1
2008 3.6 3.9 4.8 11.8 12.8 15.7
2009 3.5 3.9 4.5 11.5 12.8 14.8
2010 3.2 3.9 4.4 10.5 12.8 14.4
2011 2.8 3.4 3.8 9.2 11.2 12.5
2012 3.7 4.4 5.5 12.1 14.4 18.0
2013 3.3 3.7 4.2 10.8 12.1 13.8
2014 n/a n/a n/a n/a n/a n/a
2015 3.4 4.2 4.9 11.2 13.8 16.1
2016 3.5 3.9 4.2 11.5 12.8 13.8
2017 3.8 4.2 5 12.5 13.8 16.4
2018 3.1 4.3 5.2 10.2 14.1 17.1


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