Data period: through 2018
Town | County | Delorme Map # | True Basin | Flushing Rate | Elevation |
---|---|---|---|---|---|
SURRY | HANCOCK | 23 | 1 | 1.02 flushes/yr | 137 ft |
Maximum Depth | Average Depth | Surface Area | Lake Volume | Drainage Area |
---|---|---|---|---|
26 m (87 ft) |
7 m (22 ft) |
370 ha (914 ac) |
24,345,429 m3 (19,737 ac-ft) |
20 km2 (7.7 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1981 | 5.1 | 5.7 | 6.0 | 4 | ||||||||||||
1982 | 5.0 | 38 | 3 | 6.0 | 6.8 | 6.8 | 6.8 | 1 | 2.0 | 2.0 | 2.0 | |||||
1985 | 5.0 | 31 | 2 | 7.5 | 7.0 | 7.0 | 7.0 | 1 | ||||||||
1988 | 4.7 | 5.6 | 6.5 | 5 | ||||||||||||
1989 | 5.0 | 37 | 5 | 5.3 | 5.9 | 6.5 | 2 | 2.2 | 2.2 | 2.2 | ||||||
1990 | 4.5 | 5.1 | 5.5 | 6 | ||||||||||||
1991 | 5.0 | 36 | 6.7 | 6 | 4.5 | 5.5 | 7.3 | 6 | 1.8 | 2.1 | 2.4 | |||||
1992 | 5.0 | 5.4 | 5.7 | 6 | ||||||||||||
1993 | 5.0 | 5.1 | 5.5 | 5 | ||||||||||||
1994 | 4.5 | 5.3 | 6.0 | 5 | ||||||||||||
1995 | 5.0 | 5.6 | 6.1 | 5 | ||||||||||||
1996 | 5.2 | 5.7 | 6.0 | 5 | ||||||||||||
1997 | 4.5 | 4.7 | 5.2 | 3 | ||||||||||||
1998 | 4.8 | 6.3 | 7.9 | 6 | ||||||||||||
1999 | 6.1 | 6.8 | 7.4 | 6 | ||||||||||||
2000 | 9.0 | 39 | 6 | 5.0 | 5.9 | 7.5 | 6 | 3.3 | 3.3 | 3.3 | ||||||
2001 | 6.4 | 6.5 | 6.8 | 3 | ||||||||||||
2002 | 5.4 | 5.7 | 5.9 | 6 | ||||||||||||
2003 | 5.4 | 6.0 | 6.4 | 6 | ||||||||||||
2004 | 5.2 | 5.7 | 6.0 | 6 | ||||||||||||
2005 | 19 | 4.8 | 41 | 6.7 | 5 | 5.4 | 5.7 | 6.0 | 6 | |||||||
2006 | 5.5 | 5.7 | 5.8 | 6 | ||||||||||||
2007 | 5.3 | 5.7 | 6.6 | 7 | ||||||||||||
2008 | 5.4 | 5.6 | 6.2 | 7 | ||||||||||||
2009 | 6 | 3.1 | 5.2 | 5.8 | 6 | |||||||||||
2010 | 5.4 | 5.6 | 5.8 | 6 | ||||||||||||
2011 | 5 | 4.8 | 5.6 | 7.5 | 7 | 3.4 | 3.4 | 3.4 | ||||||||
2012 | 5.0 | 5.4 | 5.7 | 5 | ||||||||||||
2013 | 4.8 | 5.0 | 5.2 | 7 | ||||||||||||
2014 | 5.0 | 5.3 | 5.4 | 6 | ||||||||||||
2015 | 18 | 7.0 | 39 | 6.9 | 3 | 4.8 | 5.2 | 7.6 | 6 | 3.7 | 3.7 | 3.7 | ||||
2016 | 4.8 | 5.1 | 5.2 | 7 | ||||||||||||
2017 | 5.5 | 5.6 | 5.7 | 5 | ||||||||||||
2018 | 5.4 | 5.6 | 5.8 | 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
18 | 5.8 | 37 | 6.8 | 4.3 | 5.5 | 6.8 | 3.1 | 5.7 | 7.9 | 5.3 | 1.8 | 2.8 | 3.7 |
Depth (m) | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0 | 22.2 | 8.8 | 25.2 | 8.0 | 21.9 | 8.4 | 21.5 | 8.1 | 22.1 | 9.7 | 24.5 | 8.3 | 23.5 | 8.1 | 27.2 | 8.5 |
1 | 22.2 | 8.8 | 25.2 | 8.5 | 21.4 | 8.7 | 21.6 | 8.3 | 21.6 | 9.5 | 24.5 | 8.5 | 23.5 | 8.1 | 27.2 | 8.5 |
2 | 22.2 | 8.8 | 25.3 | 8.6 | 21.2 | 8.9 | 21.6 | 8.4 | 21.6 | 9.1 | 24.5 | 8.6 | 23.3 | 8.1 | 27.1 | 8.5 |
3 | 22.1 | 8.7 | 25.3 | 8.9 | 20.8 | 9.1 | 21.6 | 8.5 | 21.5 | 9.1 | 24.4 | 8.7 | 23.2 | 8.1 | 24.7 | 8.6 |
4 | 22.1 | 8.8 | 25.3 | 9.1 | 20.7 | 8.9 | 21.6 | 8.6 | 22.9 | 8.3 | 24.1 | 8.7 | 23.2 | 8.0 | 23.9 | 8.4 |
5 | 22.1 | 8.7 | 21.5 | 7.1 | 20.7 | 8.9 | 21.6 | 8.6 | 23.0 | 7.9 | 21.9 | 8.9 | 22.9 | 7.6 | 23.4 | 8.0 |
6 | 21.9 | 8.4 | 20.2 | 6.7 | 20.6 | 9.0 | 21.2 | 7.8 | 23.5 | 7.4 | 21.4 | 6.8 | 19.7 | 5.0 | 22.9 | 7.4 |
7 | 21.7 | 8.1 | 17.8 | 5.7 | 20.6 | 9.0 | 20.3 | 7.1 | 22.7 | 6.5 | 19.5 | 5.9 | 15.4 | 4.7 | 20.3 | 4.6 |
8 | 20.5 | 6.5 | 15.9 | 5.7 | 18.5 | 7.4 | 17.0 | 5.0 | 19.8 | 3.2 | 19.7 | 5.6 | 12.2 | 5.0 | 16.2 | 4.1 |
9 | 16.7 | 4.7 | 13.3 | 6.5 | 12.9 | 6.4 | 13.7 | 4.9 | 16.1 | 3.5 | 16.5 | 5.9 | 10.6 | 6.6 | 13.4 | 5.0 |
10 | 14.8 | 4.9 | 12.9 | 7.4 | 11.2 | 6.8 | 11.5 | 5.7 | 14.0 | 4.2 | 15.9 | 5.9 | 9.2 | 7.0 | 11.3 | 5.7 |
11 | 12.9 | 5.5 | 10.7 | 8.2 | 10.2 | 7.2 | 10.3 | 6.4 | 12.8 | 4.6 | 15.3 | 5.9 | 7.9 | 7.8 | 10.1 | 6.1 |
12 | 12.0 | 6.0 | 9.8 | 8.7 | 9.1 | 7.5 | 9.5 | 6.7 | 11.5 | 5.1 | 13.7 | 6.0 | 7.3 | 8.1 | 8.8 | 7.0 |
13 | 10.9 | 6.0 | 9.3 | 9.0 | 8.6 | 7.6 | 9.1 | 6.8 | 10.5 | 4.8 | 12.7 | 6.1 | 6.8 | 8.3 | 7.7 | 7.0 |
14 | 10.1 | 6.2 | 8.6 | 8.8 | 8.3 | 7.5 | 8.7 | 6.6 | 9.9 | 4.5 | 10.3 | 7.4 | 6.6 | 8.5 | 7.1 | 7.1 |
15 | 10.0 | 6.3 | 8.5 | 8.9 | 8.3 | 7.3 | 8.5 | 6.5 | 9.8 | 4.4 | 9.9 | 7.4 | 6.4 | 8.4 | 6.7 | 7.0 |
16 | 9.7 | 6.3 | 8.3 | 8.9 | 8.3 | 7.3 | 8.4 | 6.6 | 9.8 | 4.4 | 9.7 | 7.2 | ||||
17 | 9.7 | 6.3 | 8.3 | 8.9 | 8.3 | 7.3 | 8.4 | 6.5 | 9.7 | 4.4 | 6.2 | 8.2 | 6.4 | 7.0 | ||
18 | 9.7 | 6.3 | ||||||||||||||
19 | 9.5 | 6.3 | 6.1 | 8.2 | 6.2 | 6.8 | ||||||||||
20 | 9.5 | 6.2 | ||||||||||||||
21 | 9.4 | 5.9 | 6.0 | 8.1 | 6.1 | 6.5 | ||||||||||
22 | 9.2 | 5.7 | ||||||||||||||
23 | 9.2 | 5.7 | 6.0 | 7.3 | 6.1 | 6.3 | ||||||||||
24 | 9.2 | 5.5 | ||||||||||||||
25 | 9.2 | 5.3 | 6.0 | 6.0 | ||||||||||||
26 | 9.1 | 5.2 | ||||||||||||||
27 | 9.2 | 5.2 | 6.0 | 5.9 | ||||||||||||
28 | 9.2 | 5.1 | 6.0 | 5.3 |