Branch Lake

Ellsworth, Hancock, Maine
MIDAS 4328

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.

Select Station: Station #3Station #1Station #2

Default sampling station is #1 (generally the deepest part of the main lake basin (if > 1 basins). To view data from other stations, select the station from the drop-down above.

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Branch Lake MIDAS 4328 - Station 1
Year	Depth - Meters			Depth - Feet
	Min	Avg	Max	Min	Avg	Max
1974	6.4	7.5	9.5	21.0	24.6	31.2
1975	6.6	7.9	8.6	21.7	25.9	28.2
1976	6	7.4	9.5	19.7	24.3	31.2
1977	6.7	6.7	6.7	22.0	22.0	22.0
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	6.5	9	11.5	21.3	29.5	37.7
1981	7	7	7	23.0	23.0	23.0
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	6.5	7.8	9.2	21.3	25.6	30.2
1985	7.1	8.1	10	23.3	26.6	32.8
1986	7	7.7	8.4	23.0	25.3	27.6
1987	7.9	8.2	8.6	25.9	26.9	28.2
1988	9.5	9.5	9.5	31.2	31.2	31.2
1989	7	7.5	8.1	23.0	24.6	26.6
1990	6.1	7.2	8.5	20.0	23.6	27.9
1991	6.5	7.4	7.7	21.3	24.3	25.3
1992	n/a	n/a	n/a	n/a	n/a	n/a
1993	n/a	n/a	n/a	n/a	n/a	n/a
1994	n/a	n/a	n/a	n/a	n/a	n/a
1995	8.2	9.4	10.3	26.9	30.8	33.8
1996	6.7	7.2	8.2	22.0	23.6	26.9
1997	6.2	8.6	10.1	20.3	28.2	33.1
1998	6.4	9.3	10.5	21.0	30.5	34.4
1999	8.7	9.7	10.5	28.5	31.8	34.4
2000	6.9	8.9	10.9	22.6	29.2	35.8
2001	8.7	9.4	10.9	28.5	30.8	35.8
2002	8.2	9.5	10	26.9	31.2	32.8
2003	8.7	9.7	10.4	28.5	31.8	34.1
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	6.5	7.7	8.3	21.3	25.3	27.2
2007	7.2	8.5	9.7	23.6	27.9	31.8
2008	8.5	9.2	9.8	27.9	30.2	32.2
2009	7.1	8.5	9.6	23.3	27.9	31.5
2010	10.6	11.2	12	34.8	36.7	39.4
2011	8.4	9.4	11	27.6	30.8	36.1
2012	7.8	10.1	11.3	25.6	33.1	37.1
2013	8.4	10.1	11.6	27.6	33.1	38.1
2014	9.5	10.4	11.2	31.2	34.1	36.7
2015	8.9	10.6	12.2	29.2	34.8	40.0
2016	9.1	10.1	11.3	29.9	33.1	37.1
2017	8.5	10.2	11.5	27.9	33.5	37.7
2018	12.6	12.6	12.6	41.3	41.3	41.3