Lower Shin Pond

Mount Chase, T5 R7 WELS, Penobscot, Maine
MIDAS 2198

Secchi transparency (mean, maximum & minimum annual values)

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Lower Shin Pond
MIDAS 2198 - Station 1
Year Depth - Meters Depth - Feet
Min Avg Max Min Avg Max
1974 3 3.8 4.6 9.8 12.4 15.1
1975 3.4 4.5 5.4 11.2 14.7 17.7
1976 2.6 4.6 5.6 8.5 15.1 18.4
1977 4.5 4.5 4.5 14.8 14.8 14.8
1978 n/a n/a n/a n/a n/a n/a
1979 n/a n/a n/a n/a n/a n/a
1980 n/a n/a n/a n/a n/a n/a
1981 n/a n/a n/a n/a n/a n/a
1982 n/a n/a n/a n/a n/a n/a
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 n/a n/a n/a n/a n/a n/a
1988 n/a n/a n/a n/a n/a n/a
1989 n/a n/a n/a n/a n/a n/a
1990 n/a n/a n/a n/a n/a n/a
1991 3.5 3.8 4.1 11.5 12.5 13.5
1992 3.5 4.0 4.5 11.5 13.3 14.8
1993 3.8 4.3 4.9 12.5 14.1 16.1
1994 n/a n/a n/a n/a n/a n/a
1995 n/a n/a n/a n/a n/a n/a
1996 3.6 4.1 4.9 11.8 13.4 16.1
1997 3.7 4.8 5.6 12.1 15.8 18.4
1998 4 5.1 6 13.1 16.8 19.7
1999 4.4 5.0 5.8 14.4 16.5 19.0
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 4.6 4.6 4.6 15.1 15.1 15.1


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