Data period: through 2018
Town | County | Delorme Map # | True Basin | Flushing Rate | Elevation |
---|---|---|---|---|---|
WINTHROP | KENNEBEC | 12 | 1 | 1.5 flushes/yr | 170 ft |
Maximum Depth | Average Depth | Surface Area | Lake Volume | Drainage Area |
---|---|---|---|---|
16 m (54 ft) |
7 m (22 ft) |
90 ha (222 ac) |
6,106,409 m3 (4,951 ac-ft) |
10 km2 (4 mi2) |
Graph Legend: Secchi symbols = average Secchi Disk Transparency Values; tick marks = maximum and minimum values for each year.
Year | Color | Alk | SpCon | pH | TP-EC | TP-SG | TP-BG | TP-PG | SDT-Min | SDT-Avg | SDT-Max | SDT-n | SDT-b | Chl-Min | Chl-Avg | Chl-Max |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1976 | 9.2 | 4.7 | 6.1 | 8.3 | 7 | 1.5 | 3.4 | 7.3 | ||||||||
1977 | 5.0 | 5.5 | 6.2 | 9.1 | 3 | 5.6 | 5.6 | 5.6 | ||||||||
1978 | 17.0 | 4.0 | 5.2 | 6.0 | 4 | 1.2 | 1.4 | 2.0 | ||||||||
1979 | 11.9 | 5.4 | 6.0 | 6.9 | 7 | 2.5 | 4.3 | 10.3 | ||||||||
1980 | 9.2 | 5.0 | 5.7 | 6.4 | 5 | 1.9 | 2.5 | 3.2 | ||||||||
1981 | 11.5 | 11.7 | 3.4 | 5.2 | 6.5 | 5 | 2.3 | 3.7 | 6.6 | |||||||
1982 | 9.0 | 12.7 | 4.5 | 6.4 | 7.6 | 8 | 2.2 | 3.0 | 5.4 | |||||||
1983 | 10.0 | 3.9 | 5.3 | 6.0 | 5 | 2.3 | 3.3 | 5.8 | ||||||||
1984 | 3.0 | 5.0 | 6.9 | 5 | ||||||||||||
1985 | 78 | 13.3 | 2.5 | 5.6 | 7.5 | 8 | 2.2 | 4.2 | 8.3 | |||||||
1986 | 8.0 | 9 | 4.2 | 5.6 | 7.4 | 6 | 1.8 | 1.8 | 1.8 | |||||||
1987 | 16 | 9.9 | 4.5 | 6.2 | 7.5 | 6 | 1.7 | 2.9 | 3.7 | |||||||
1988 | 15 | 10.0 | 4.6 | 6.2 | 7.5 | 6 | ||||||||||
1989 | 4.0 | 5.0 | 6.0 | 4 | ||||||||||||
1990 | 17 | 7.0 | 4.0 | 5.3 | 7.5 | 8 | ||||||||||
1991 | 17 | 6.9 | 10.2 | 4.5 | 5.6 | 7.0 | 6 | 3.4 | 5.1 | 6.3 | ||||||
1992 | 16 | 7.0 | 3.6 | 5.5 | 7.0 | 7 | 2.9 | 4.5 | 5.6 | |||||||
1993 | 17 | 7.0 | 6.0 | 5.0 | 6.3 | 7.5 | 7 | 1.9 | 1.9 | 2.0 | ||||||
1994 | 16 | 6.9 | 8.0 | 4.2 | 6.2 | 7.9 | 7 | 3.5 | 4.7 | 8.0 | ||||||
1995 | 5.4 | 6.9 | 8.3 | 8 | ||||||||||||
1996 | 3.5 | 5.4 | 6.5 | 8 | ||||||||||||
1997 | 18 | 6.9 | 8.4 | 5.3 | 6.4 | 7.3 | 9 | 2.1 | 2.6 | 3.6 | ||||||
1998 | 18 | 6.8 | 9.3 | 3.3 | 5.3 | 6.6 | 9 | 6.1 | 10.9 | 15.4 | ||||||
1999 | 9.0 | 5.0 | 6.4 | 7.7 | 12 | 4.4 | 4.4 | 4.4 | ||||||||
2000 | 14 | 6.9 | 9.5 | 4.7 | 6.0 | 7.2 | 8 | 3.3 | 4.1 | 4.6 | ||||||
2001 | 14 | 7.0 | 8.0 | 21.5 | 4.8 | 6.7 | 7.7 | 6 | 6.3 | 6.3 | 6.3 | |||||
2002 | 15 | 120 | 6.9 | 9.6 | 21.0 | 11.8 | 4.2 | 6.1 | 7.6 | 8 | 1.9 | 4.2 | 6.6 | |||
2003 | 19 | 7.1 | 18.7 | 5.0 | 6.7 | 8.1 | 6 | 2.5 | 4.6 | 7.2 | ||||||
2004 | 4.9 | 5.9 | 6.8 | 7 | ||||||||||||
2005 | 4.3 | 5.8 | 7.1 | 6 | ||||||||||||
2006 | 19 | 19 | 96 | 6.9 | 15.7 | 3.0 | 5.3 | 6.3 | 5 | 4.0 | 5.3 | 7.0 | ||||
2007 | 3.8 | 6.5 | 7.7 | 9 | ||||||||||||
2008 | 6.0 | 7.1 | 7.7 | 6 | ||||||||||||
2009 | 20 | 7.2 | 5.3 | 6.6 | 8.7 | 7 | 1.3 | 2.4 | 3.8 | |||||||
2010 | 6.7 | 7.7 | 8.4 | 6 | ||||||||||||
2011 | 5.0 | 5.6 | 6.2 | 4 | ||||||||||||
2012 | 20 | 10.6 | 4.6 | 6.0 | 6.9 | 6 | 2.8 | 5.4 | 13.0 | |||||||
2013 | 20 | 8.8 | 10.2 | 5.0 | 5.8 | 6.5 | 6 | 2.7 | 4.9 | 7.5 | ||||||
2014 | 18 | 20 | 96 | 7.0 | 8.4 | 9.2 | 5.5 | 6.1 | 6.8 | 5 | 2.5 | 5.6 | 12.0 | |||
2015 | 19 | 8.6 | 28.6 | 5.6 | 6.3 | 6.8 | 4 | 2.9 | 7.3 | 12.0 | ||||||
2016 | 20 | 9.3 | 4.3 | 6.5 | 7.6 | 6 | 2.1 | 3.5 | 6.2 | |||||||
2017 | 20 | 7.8 | 72.0 | 5.0 | 6.3 | 7.3 | 6 | 2.3 | 4.5 | 7.7 | ||||||
2018 | 21 | 19 | 168 | 7.4 | 7.8 | 36.9 | 4.7 | 6.9 | 7.8 | 7 | 3.0 | 5.4 | 7.0 |
Avg Color | Avg Alk | Avg SpCon | pH | Avg TP-EC | Avg TP-SG | Avg TP-BG | Avg TP-PG | SDT-Min | SDT-Avg | SDT-Max | SDT-n | Chl-Min | Chl-Avg | Chl-Max |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
19 | 18 | 112 | 7 | 9.1 | 9 | 28 | 12 | 2.5 | 6 | 9.1 | 6.5 | 1.2 | 4.3 | 15 |
Depth (m) | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0 | 23.6 | 8.1 | 25.4 | 8.2 | 25.3 | 7.9 | 26.2 | 8.1 | 22.8 | 8.5 | 25.6 | 8.1 | 26.7 | 8.5 | 23.2 | 8.3 |
1 | 23.2 | 8.2 | 25.4 | 8.1 | 25.3 | 7.9 | 26.0 | 8.0 | 22.8 | 8.4 | 25.5 | 8.1 | 26.5 | 8.5 | 22.2 | 8.4 |
2 | 22.2 | 8.1 | 24.1 | 8.7 | 24.8 | 8.0 | 25.1 | 8.1 | 22.7 | 8.5 | 24.6 | 8.3 | 26.2 | 8.5 | 22.0 | 8.4 |
3 | 22.0 | 8.1 | 22.9 | 8.7 | 24.7 | 8.0 | 24.5 | 8.1 | 22.5 | 8.5 | 24.3 | 8.3 | 25.0 | 8.6 | 22.0 | 8.4 |
4 | 21.8 | 7.9 | 21.3 | 8.7 | 24.4 | 8.1 | 24.3 | 8.1 | 22.5 | 8.5 | 24.1 | 8.3 | 24.6 | 8.6 | 21.8 | 8.3 |
5 | 20.2 | 6.4 | 19.1 | 8.6 | 20.5 | 10.3 | 23.2 | 8.8 | 21.5 | 9.4 | 23.1 | 8.4 | 23.6 | 8.8 | 21.4 | 8.2 |
6 | 15.2 | 10.4 | 14.7 | 8.3 | 14.9 | 10.2 | 16.1 | 12.0 | 15.9 | 9.4 | 15.0 | 13.6 | 16.2 | 13.0 | 17.9 | 11.6 |
7 | 10.2 | 6.4 | 11.6 | 6.1 | 12.0 | 8.5 | 13.0 | 9.8 | 9.3 | 6.4 | 10.2 | 14.7 | 11.9 | 13.6 | 11.5 | 13.7 |
8 | 8.8 | 5.8 | 9.6 | 5.4 | 9.3 | 6.0 | 10.9 | 7.8 | 7.3 | 4.1 | 7.6 | 7.1 | 9.7 | 12.0 | 8.1 | 5.8 |
9 | 7.5 | 5.2 | 8.0 | 5.1 | 7.6 | 4.5 | 9.4 | 6.4 | 6.5 | 3.1 | 6.1 | 4.5 | 7.8 | 5.7 | 6.8 | 3.2 |
10 | 6.9 | 4.8 | 6.9 | 4.5 | 6.7 | 2.9 | 8.6 | 5.0 | 6.2 | 2.5 | 5.4 | 2.6 | 6.5 | 3.7 | 5.4 | 0.9 |
11 | 6.6 | 4.3 | 6.6 | 3.8 | 6.5 | 2.0 | 8.1 | 3.7 | 6.0 | 2.1 | 5.0 | 1.6 | 5.9 | 2.7 | 5.0 | 0.4 |
12 | 6.5 | 3.5 | 6.4 | 3.1 | 6.3 | 1.3 | 7.9 | 2.9 | 5.8 | 1.7 | 4.8 | 1.1 | 5.3 | 1.3 | 4.8 | 0.4 |
13 | 6.4 | 3.4 | 6.3 | 2.8 | 6.3 | 1.2 | 7.8 | 2.5 | 5.8 | 1.3 | 4.6 | 0.8 | 5.1 | 0.7 | 4.7 | 0.4 |
14 | 6.3 | 3.1 | 6.2 | 2.6 | 6.2 | 1.0 | 7.7 | 1.8 | 5.7 | 0.9 | 4.6 | 0.9 | 4.8 | 0.3 | 4.6 | 0.4 |
15 | 6.3 | 2.5 | 6.2 | 1.7 | 6.1 | 0.9 | 7.6 | 0.7 | 5.7 | 0.2 | 4.5 | 0.8 | 4.7 | 0.2 | 4.6 | 0.4 |
16 | 6.2 | 1.3 | 6.1 | 0.9 | 7.5 | 0.6 | 5.6 | 0.1 | 4.5 | 0.8 | 4.7 | 0.2 | 4.6 | 0.4 | ||
17 | 6.2 | 0.7 | 6.0 | 0.8 | 7.5 | 0.6 | 5.6 | 0.1 | 4.5 | 0.8 | 4.7 | 0.2 | 4.6 | 0.4 | ||
18 | 6.2 | 0.5 | 6.0 | 0.8 | 7.3 | 0.6 | 4.6 | 0.8 | 4.6 | 0.4 |