Data period: through 2018
Town | County | Delorme Map # | True Basin | Flushing Rate | Elevation |
---|---|---|---|---|---|
WINTHROP | KENNEBEC | 12 | 1 | 5.55 flushes/yr | 242 ft |
Maximum Depth | Average Depth | Surface Area | Lake Volume | Drainage Area |
---|---|---|---|---|
8 m (25 ft) |
3 m (9 ft) |
68 ha (168 ac) |
1,842,080 m3 (1,493 ac-ft) |
19 km2 (7.5 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1978 | 8 | 5.2 | 5.2 | 5.2 | 1 | |||||||||||
1979 | 11 | 3.3 | 4.1 | 4.6 | 4 | 1.7 | 3.1 | 4.9 | ||||||||
1980 | 2.7 | 3.6 | 4.6 | 2 | ||||||||||||
1981 | 13 | 18 | 3.4 | 4.0 | 5.1 | 4 | 2.0 | 3.1 | 4.0 | |||||||
1982 | 11 | 16 | 18 | 3.5 | 4.5 | 5.1 | 5 | 2.1 | 2.8 | 3.1 | ||||||
1983 | 10 | 3.4 | 4.0 | 4.3 | 4 | |||||||||||
1985 | 50 | 11 | 4.4 | 4.6 | 4.9 | 5 | ||||||||||
1986 | 17 | 3.2 | 4.0 | 4.6 | 5 | |||||||||||
1987 | 12 | 53 | 12 | 4.1 | 4.5 | 6.0 | 5 | |||||||||
1988 | 16 | 10 | 4.2 | 4.8 | 5.5 | 6 | ||||||||||
1990 | 21 | 7.0 | 12 | 3.5 | 4.3 | 5.2 | 6 | 1.8 | 4.7 | 7.1 | ||||||
1991 | 19 | 7.1 | 4.1 | 4.5 | 4.9 | 4 | ||||||||||
1992 | 20 | 7.1 | 3.8 | 4.4 | 4.8 | 5 | ||||||||||
1993 | 19 | 7.0 | 12 | 4.2 | 5.0 | 6.5 | 5 | 2.9 | 3.3 | 3.9 | ||||||
1994 | 3.4 | 4.4 | 5.6 | 5 | ||||||||||||
1995 | 3.0 | 4.4 | 5.1 | 5 | ||||||||||||
1996 | 17 | 6.7 | 13 | 2.9 | 3.9 | 4.9 | 5 | 2.2 | 3.2 | 5.1 | ||||||
1997 | 3.6 | 4.5 | 5.0 | 5 | ||||||||||||
1998 | 4.0 | 4.4 | 5.0 | 10 | ||||||||||||
1999 | 16 | 6.8 | 12 | 3.8 | 4.6 | 5.4 | 10 | 3.7 | 4.1 | 4.6 | ||||||
2000 | 3.8 | 4.9 | 5.9 | 6 | ||||||||||||
2001 | 3.6 | 5.0 | 5.7 | 6 | ||||||||||||
2002 | 15 | 6.9 | 13 | 3.9 | 4.5 | 5.5 | 6 | 2.5 | 5.0 | 8.7 | ||||||
2003 | 4.2 | 5.1 | 5.9 | 6 | ||||||||||||
2004 | 4.0 | 5.1 | 6.2 | 5 | ||||||||||||
2005 | 14 | 6.8 | 11 | 3.7 | 4.6 | 5.5 | 5 | 2.0 | 7.4 | 22.8 | ||||||
2006 | 32 | 23 | 79 | 7.6 | 10 | 3.4 | 4.5 | 4.9 | 4 | |||||||
2007 | 3.2 | 4.1 | 5.4 | 4 | ||||||||||||
2008 | 21 | 6.9 | 11 | 3.0 | 4.0 | 5.1 | 6 | 3.2 | 5.2 | 7.9 | ||||||
2009 | 23 | 3.9 | 4.4 | 5.8 | 6 | |||||||||||
2010 | 25 | 8 | 3.9 | 5.1 | 6.3 | 6 | 3.3 | 3.3 | 3.3 | |||||||
2011 | 21 | 12 | 3.7 | 4.5 | 5.5 | 4 | 3.6 | 4.8 | 7.0 | |||||||
2012 | 3.4 | 4.4 | 5.1 | 5 | ||||||||||||
2013 | 3.6 | 4.5 | 5.0 | 5 | ||||||||||||
2014 | 22 | 14 | 3.1 | 4.2 | 5.4 | 5 | 3.4 | 4.4 | 5.7 | |||||||
2015 | 3.8 | 5.0 | 5.7 | 5 | ||||||||||||
2016 | 3.7 | 5.1 | 6.4 | 6 | ||||||||||||
2017 | 21 | 12 | 4.3 | 5.0 | 5.7 | 6 | 1.8 | 3.8 | 6.1 | |||||||
2018 | 4.2 | 4.9 | 5.4 | 5 |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
32 | 19 | 61 | 6.9 | 12 | 12 | 18 | 18 | 2.7 | 4.5 | 6.5 | 5.2 | 1.7 | 4.2 | 23 |
Depth (m) | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0 | 19 | 8.3 | 25 | 7.8 | 25 | 8.4 | 23 | 7.8 | 24.1 | 8.1 | 24 | 24.9 | 8.1 | 24.6 | 7.9 | |
1 | 19 | 7.8 | 24 | 7.8 | 25 | 8.4 | 23 | 7.7 | 24.0 | 8.1 | 21 | 24.7 | 8.1 | 22.0 | 8.1 | |
2 | 18 | 8.0 | 24 | 7.9 | 25 | 8.2 | 23 | 7.7 | 24.0 | 8.1 | 21 | 24.5 | 8.1 | 21.5 | 8.1 | |
3 | 18 | 7.8 | 24 | 7.9 | 25 | 7.9 | 22 | 7.7 | 23.8 | 8.0 | 20 | 23.7 | 7.8 | 21.2 | 7.8 | |
4 | 18 | 3.7 | 21 | 1.4 | 24 | 6.7 | 22 | 7.4 | 22.7 | 5.6 | 19 | 23.4 | 7.9 | 20.8 | 7.5 | |
5 | 15 | 0.6 | 16 | 0.6 | 19 | 0.4 | 20 | 1.7 | 14.9 | 1.1 | 18 | 17.6 | 1.7 | 19.4 | 3.3 | |
6 | 13 | 0.2 | 13 | 0.7 | 14 | 0.5 | 16 | 0.6 | 11.4 | 0.4 | 14 | 12.2 | 0.5 | 12.9 | 0.5 | |
7 | 11 | 0.2 | 12 | 0.5 | 12 | 0.4 | 13 | 0.5 | 10.2 | 0.5 | 11 | 9.7 | 0.4 | 10.5 | 0.3 | |
8 | 11 | 0.2 | 11 | 0.5 | 12 | 0.4 | 12 | 0.4 | 9.4 | 0.1 | 10 | 8.9 | 0.4 | 9.4 | 0.3 | |
9 | 11 | 0.5 |