Data period: through 2017
Town | County | Delorme Map # | True Basin | Flushing Rate |
---|---|---|---|---|
LEEDS | ANDROSCOGGIN | 12 | 1 | 1.55 flushes/yr |
Maximum Depth | Average Depth | Surface Area | Lake Volume | Drainage Area |
---|---|---|---|---|
12 m (38 ft) |
4 m (14 ft) |
1,615 ha (3,992 ac) |
69,982,395 m3 (56,736 ac-ft) |
47 km2 (18 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1971 | 4.3 | 4.9 | 5.5 | 2 | ||||||||||||
1972 | 3.0 | 4.3 | 5.8 | 7.3 | 2 | |||||||||||
1973 | 4.3 | 4.3 | 4.3 | 1 | ||||||||||||
1976 | 14 | 4.0 | 4.5 | 6.0 | 6 | 2.8 | 3.5 | 4.1 | ||||||||
1977 | 45 | 3.9 | 3.9 | 3.9 | 1 | 3.3 | 3.3 | 3.3 | ||||||||
1978 | 9 | 16.0 | 3.7 | 4.3 | 5.0 | 6 | ||||||||||
1979 | 16 | 40 | 13 | 2.5 | 3.8 | 5.3 | 6 | 2.9 | 2.9 | 2.9 | ||||||
1980 | 11 | 46 | 3.2 | 4.5 | 5.8 | 6 | 2.7 | 2.7 | 2.7 | |||||||
1981 | 12 | 38 | 13 | 3.5 | 4.2 | 5.2 | 5 | 1.9 | 3.0 | 4.0 | ||||||
1982 | 3.2 | 4.5 | 6.3 | 5 | ||||||||||||
1983 | 3.7 | 4.8 | 5.4 | 7 | ||||||||||||
1984 | 3.3 | 4.0 | 4.7 | 5 | ||||||||||||
1985 | 10 | 39 | 11 | 4.5 | 5.2 | 6.5 | 4 | |||||||||
1986 | 11 | 4.9 | 5.0 | 5.3 | 4 | 1.7 | 4.4 | 8.1 | ||||||||
1987 | 3.7 | 4.0 | 4.5 | 3 | ||||||||||||
1988 | 3.2 | 4.2 | 5.3 | 5 | ||||||||||||
1989 | 2.1 | 2.9 | 3.7 | 6 | ||||||||||||
1990 | 3.9 | 4.8 | 5.5 | 4 | ||||||||||||
1991 | 13 | 45 | 7.2 | 14 | 2.0 | 4.0 | 4.7 | 5 | ||||||||
1992 | 12 | 43 | 7.1 | 14 | 3.1 | 4.4 | 5.3 | 6 | 5.0 | 5.0 | 5.0 | |||||
1993 | 13 | 44 | 7.9 | 12 | 3.8 | 4.4 | 6.2 | 7 | 5.9 | 5.9 | 5.9 | |||||
1994 | 11 | 16.8 | 2.9 | 4.3 | 5.2 | 6 | 4.2 | 4.2 | 4.2 | |||||||
1995 | 11 | 12 | 20.6 | 2.8 | 4.9 | 5.7 | 7 | |||||||||
1996 | 15 | 15.8 | 2.7 | 3.3 | 4.4 | 7 | 2.4 | 5.4 | 10.0 | |||||||
1997 | 18 | 18.0 | 3.3 | 4.1 | 5.5 | 6 | 1.2 | 4.7 | 13.5 | |||||||
1998 | 18 | 29.9 | 2.9 | 3.4 | 4.4 | 8 | 3.1 | 6.3 | 10.0 | |||||||
1999 | 6 | 43 | 20 | 36.0 | 1.1 | 3.6 | 5.2 | 6 | 3.3 | 9.8 | 49.0 | |||||
2000 | 12 | 50 | 17 | 17.9 | 2.9 | 3.7 | 4.4 | 7 | 3.8 | 21.9 | 68.0 | |||||
2001 | 11 | 53 | 7.2 | 17 | 21.0 | 2.5 | 3.6 | 4.7 | 8 | 5.8 | 6.8 | 7.5 | ||||
2002 | 24 | 14 | 56 | 17 | 18.6 | 3.0 | 3.5 | 4.0 | 6 | 8.6 | 8.9 | 9.3 | ||||
2003 | 22 | 14.4 | 3.1 | 4.1 | 4.8 | 5 | ||||||||||
2004 | 14 | 16 | 59 | 7.1 | 15 | 16.0 | 14.9 | 3.1 | 3.6 | 4.6 | 5 | 7.8 | 7.8 | 7.8 | ||
2005 | 17 | 10 | 55 | 7.2 | 14 | 17.4 | 2.7 | 4.0 | 5.0 | 5 | 5.9 | 5.9 | 5.9 | |||
2006 | 20 | 14.7 | 3.2 | 4.1 | 5.4 | 5 | ||||||||||
2007 | 13 | 12 | 51 | 7.3 | 14 | 12.6 | 3.3 | 4.3 | 5.7 | 5 | 3.8 | 4.0 | 4.1 | |||
2008 | 18 | 11 | 52 | 7.0 | 13 | 16.6 | 2.7 | 3.5 | 4.8 | 5 | 6.1 | 6.1 | 6.1 | |||
2009 | 13 | 3.6 | 4.1 | 4.6 | 5 | |||||||||||
2010 | 11.0 | 4.2 | 4.6 | 4.8 | 4 | |||||||||||
2011 | 3.3 | 4.3 | 4.8 | 6 | ||||||||||||
2012 | 8.2 | 4.4 | 4.8 | 5.4 | 6 | |||||||||||
2013 | 18 | 13 | 53 | 7.3 | 9 | 12.8 | 23 | 4.1 | 4.7 | 5.6 | 7 | 3.0 | 3.0 | 3.0 | ||
2014 | 20 | 13 | 50 | 7.1 | 11 | 8.1 | 4.6 | 4.9 | 5.9 | 6 | 4.3 | 4.3 | 4.3 | |||
2015 | 4.4 | 4.8 | 5.1 | 6 | ||||||||||||
2016 | 2.6 | 4.6 | 5.5 | 8 | ||||||||||||
2017 | 12 | 3.9 | 4.8 | 5.4 | 8 | 4.4 | 4.4 | 4.4 |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
18 | 12 | 48 | 7.2 | 15 | 11 | 18 | 23 | 1.1 | 4.3 | 7.3 | 5.4 | 1.2 | 5.8 | 68 |
Depth (m) | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0 | 28 | 7.9 | 28 | 8.0 | 26 | 7.9 | 20 | 9.0 | 26 | 8.0 | 26 | 8.0 | 26 | 8.0 | 24 | 8.4 |
1 | 28 | 8.0 | 28 | 8.0 | 26 | 7.8 | 20 | 8.8 | 26 | 7.9 | 26 | 8.0 | 26 | 8.0 | 24 | 8.1 |
2 | 28 | 7.7 | 28 | 7.6 | 26 | 7.1 | 20 | 8.4 | 26 | 7.9 | 26 | 7.8 | 20 | 7.8 | 23 | 8.0 |
3 | 27 | 7.7 | 28 | 7.4 | 26 | 7.1 | 18 | 8.0 | 26 | 7.8 | 26 | 7.7 | 25 | 7.7 | 22 | 8.0 |
4 | 27 | 7.3 | 26 | 7.0 | 25 | 6.8 | 18 | 7.7 | 26 | 7.4 | 26 | 7.4 | 24 | 7.1 | 21 | 7.8 |
5 | 23 | 6.5 | 26 | 4.7 | 20 | 6.5 | 18 | 7.7 | 25 | 7.3 | 25 | 7.4 | 14 | 4.2 | 20 | 7.5 |
6 | 18 | 6.2 | 20 | 4.2 | 17 | 0.4 | 15 | 4.1 | 18 | 5.1 | 24 | 6.5 | 14 | 4.1 | 20 | 7.5 |
7 | 18 | 0.7 | 18 | 0.4 | 13 | 0.4 | 18 | 1.3 | 20 | 1.1 | 14 | 1.3 | 18 | 6.1 | ||
8 | 17 | 1.1 |