Data period: through 2017
Town | County | Delorme Map # | True Basin | Flushing Rate |
---|---|---|---|---|
POLAND | ANDROSCOGGIN | 5 | 1 | 0.95 flushes/yr |
Maximum Depth | Average Depth | Surface Area | Lake Volume | Drainage Area |
---|---|---|---|---|
20 m (66 ft) |
9 m (30 ft) |
156 ha (385 ac) |
14,105,577 m3 (11,436 ac-ft) |
13 km2 (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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1974 | 12.0 | 4.4 | 4.4 | 4.4 | 1 | |||||||||||
1980 | 4.5 | 6.0 | 6.7 | 4 | 1 | |||||||||||
1985 | 9.0 | 38 | 5.0 | 7.5 | 5.0 | 5.8 | 8.2 | 5 | ||||||||
1986 | 8.5 | 20 | 8.0 | 12.0 | 5.0 | 5.4 | 6.0 | 5 | ||||||||
1987 | 4.5 | 5.4 | 6.5 | 4 | ||||||||||||
1988 | 12.5 | 6.2 | 10.0 | 4.0 | 6.0 | 7.5 | 6 | |||||||||
1989 | 11.3 | 3.8 | 4.5 | 5.1 | 5 | |||||||||||
1990 | 8.0 | 10.0 | 5.0 | 5.6 | 6.7 | 6 | ||||||||||
1991 | 13.0 | 44 | 7.0 | 9.5 | 4.0 | 5.4 | 7.0 | 6 | ||||||||
1992 | 13.9 | 6.5 | 11.7 | 17.0 | 4.2 | 5.2 | 6.0 | 5 | ||||||||
1993 | 13.5 | 7.6 | 10.3 | 5.0 | 6.1 | 7.0 | 5 | 3.2 | 3.2 | 3.2 | ||||||
1994 | 11.0 | 6.4 | 8.7 | 15.0 | 3.9 | 5.5 | 7.2 | 4 | ||||||||
1995 | 9.8 | 6.9 | 7.5 | 13.0 | 5.4 | 6.1 | 6.8 | 5 | ||||||||
1996 | 10.0 | 7.3 | 7.0 | 11.0 | 4.7 | 5.8 | 7.4 | 6 | ||||||||
1997 | 9.8 | 7.0 | 8.5 | 15.0 | 4.6 | 5.7 | 6.5 | 5 | 4.8 | 6.1 | 7.3 | |||||
1998 | 10.0 | 7.1 | 11.0 | 9.0 | 4.1 | 6.1 | 8.1 | 5 | 6.4 | 6.4 | 6.4 | |||||
1999 | 12.8 | 44 | 7.0 | 8.5 | 9.0 | 5.0 | 7.0 | 8.3 | 5 | 3.7 | 3.7 | 3.8 | ||||
2000 | 12.0 | 7.1 | 9.5 | 9.0 | 4.2 | 5.8 | 7.6 | 6 | 3.0 | 3.7 | 4.4 | |||||
2001 | 11.5 | 6.8 | 8.0 | 11.0 | 5.2 | 6.6 | 8.2 | 10 | 2.5 | 2.9 | 3.3 | |||||
2002 | 11.0 | 6.9 | 8.0 | 12.0 | 5.4 | 7.0 | 8.1 | 6 | 3.6 | 3.6 | 3.7 | |||||
2003 | 15.5 | 7.1 | 8.0 | 9.0 | 4.2 | 6.4 | 8.2 | 5 | 3.9 | 4.1 | 4.3 | |||||
2004 | 13.5 | 7.0 | 6.0 | 10.0 | 5.8 | 6.8 | 7.8 | 6 | 2.0 | 3.0 | 4.1 | |||||
2005 | 12.0 | 53 | 6.8 | 8.5 | 5.3 | 6.6 | 7.3 | 6 | 3.3 | 3.5 | 3.8 | |||||
2006 | 13.8 | 7.4 | 8.0 | 12.0 | 5.2 | 6.2 | 7.2 | 6 | 4.2 | 5.2 | 6.1 | |||||
2007 | 12.8 | 6.7 | 6.5 | 5.4 | 7.1 | 8.8 | 5 | 3.3 | 3.5 | 3.8 | ||||||
2008 | 7.0 | 5.5 | 10.0 | 5.2 | 6.7 | 7.3 | 6 | 2.4 | 3.0 | 3.5 | ||||||
2009 | 8.0 | 5.2 | 7.0 | 7.9 | 5 | 1 | 3.7 | 3.7 | 3.7 | |||||||
2010 | 5.0 | 5.9 | 7.0 | 7.8 | 5 | 2.7 | 2.7 | 2.7 | ||||||||
2011 | 79 | 6.0 | 6.1 | 7.1 | 7.9 | 6 | 3.8 | 3.8 | 3.8 | |||||||
2012 | 14 | 12.7 | 60 | 7.3 | 8.0 | 6.4 | 4.8 | 6.1 | 7.1 | 6 | 5.8 | 5.8 | 5.8 | |||
2013 | 7.0 | 9.0 | 6.0 | 6.8 | 7.7 | 8 | ||||||||||
2014 | 14.0 | 69 | 6.0 | 4.8 | 6.5 | 7.9 | 9 | 3.6 | 3.6 | 3.6 | ||||||
2015 | 18 | 15.0 | 68 | 7.2 | 7.5 | 10.5 | 6.3 | 7.2 | 8.2 | 8 | 5.0 | 5.1 | 5.2 | |||
2016 | 14.0 | 72 | 7.4 | 6.0 | 10.0 | 6.6 | 7.6 | 8.2 | 10 | 1.6 | 2.2 | 2.9 | ||||
2017 | 12.5 | 93 | 7.5 | 6.0 | 7.0 | 5.4 | 6.4 | 7.5 | 6 | 4.3 | 4.3 | 4.3 |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
16 | 12 | 58 | 6.9 | 7.8 | 6.4 | 11 | 3.8 | 6.2 | 8.8 | 5.7 | 1.6 | 4 | 7.3 |
Depth (m) | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0 | 27.0 | 8.1 | 24.8 | 8.3 | 25.1 | 8.3 | 25.6 | 8.4 | 26.5 | 8.3 | 25.1 | 8.4 | 26.2 | 8.3 | 20.7 | 8.9 |
1 | 26.1 | 8.2 | 24.7 | 8.3 | 24.7 | 8.4 | 25.3 | 8.4 | 25.9 | 8.4 | 25.2 | 8.4 | 25.4 | 8.4 | 20.3 | 8.9 |
2 | 25.7 | 8.3 | 24.4 | 8.3 | 24.5 | 8.4 | 24.9 | 8.5 | 25.5 | 8.5 | 24.9 | 8.4 | 25.0 | 8.4 | 20.1 | 8.9 |
3 | 25.2 | 8.2 | 24.4 | 8.3 | 24.4 | 8.4 | 24.8 | 8.5 | 25.3 | 8.5 | 24.7 | 8.4 | 24.8 | 8.5 | 20.1 | 8.9 |
4 | 24.6 | 8.0 | 24.2 | 8.3 | 24.3 | 8.3 | 24.6 | 8.5 | 25.1 | 8.4 | 24.6 | 8.3 | 24.3 | 8.4 | 20.0 | 8.8 |
5 | 21.7 | 6.5 | 23.3 | 8.4 | 23.6 | 7.8 | 24.5 | 8.3 | 24.3 | 8.7 | 24.3 | 8.3 | 22.9 | 8.7 | 19.9 | 8.7 |
6 | 16.7 | 5.9 | 19.3 | 9.5 | 17.5 | 10.4 | 19.9 | 11.1 | 21.9 | 9.7 | 23.6 | 8.2 | 18.4 | 11.0 | 19.5 | 8.5 |
7 | 13.6 | 5.7 | 14.2 | 9.3 | 12.9 | 10.3 | 15.4 | 12.0 | 17.5 | 11.2 | 20.6 | 9.2 | 12.6 | 9.9 | 18.6 | 8.2 |
8 | 11.9 | 5.2 | 11.7 | 8.5 | 10.6 | 9.0 | 11.3 | 10.9 | 12.4 | 9.6 | 14.9 | 8.3 | 10.0 | 7.5 | 13.3 | 7.3 |
9 | 10.6 | 5.4 | 10.2 | 7.9 | 8.8 | 8.0 | 9.2 | 9.6 | 10.0 | 7.9 | 11.9 | 7.0 | 8.5 | 6.3 | 9.6 | 5.0 |
10 | 9.1 | 6.2 | 9.5 | 7.8 | 8.0 | 7.7 | 8.2 | 8.3 | 8.6 | 7.6 | 10.0 | 5.8 | 7.8 | 6.1 | 8.1 | 4.4 |
11 | 8.2 | 6.4 | 8.4 | 7.8 | 7.3 | 7.5 | 7.5 | 7.4 | 7.9 | 7.9 | 9.2 | 5.2 | 6.9 | 6.3 | 7.1 | 3.9 |
12 | 7.8 | 6.3 | 7.9 | 7.5 | 7.0 | 7.4 | 6.7 | 6.2 | 7.1 | 6.1 | 8.5 | 5.1 | 6.5 | 5.5 | 6.7 | 4.1 |
13 | 7.5 | 5.9 | 7.6 | 7.0 | 6.6 | 6.2 | 6.5 | 6.2 | 6.7 | 5.2 | 8.3 | 4.8 | 6.1 | 5.8 | 6.2 | 3.3 |
14 | 7.2 | 5.4 | 7.3 | 7.1 | 6.5 | 5.8 | 6.3 | 5.0 | 6.4 | 4.5 | 8.0 | 4.5 | 5.8 | 5.5 | 6.0 | 3.3 |
15 | 7.2 | 5.0 | 7.0 | 5.9 | 6.3 | 4.9 | 6.2 | 4.7 | 6.2 | 3.7 | 7.7 | 3.0 | 5.5 | 5.1 | 5.9 | 2.9 |
16 | 7.1 | 4.9 | 6.8 | 4.9 | 6.2 | 3.6 | 6.1 | 3.8 | 6.1 | 2.5 | 7.4 | 2.1 | 5.4 | 4.0 | 5.6 | 2.0 |
17 | 7.1 | 4.8 | 6.6 | 4.0 | 6.2 | 2.9 | 6.0 | 3.2 | 6.1 | 1.8 | 7.4 | 1.6 | 5.3 | 3.2 | 5.5 | 1.5 |
18 | 7.1 | 4.4 | 6.5 | 3.0 | 6.1 | 2.7 | 6.0 | 2.4 | 6.1 | 1.6 | 7.4 | 1.7 | 5.3 | 2.4 | 5.5 | 1.1 |
19 | 6.9 | 3.1 | 6.5 | 2.5 | 6.1 | 2.6 | 6.0 | 2.1 | 6.0 | 1.2 | 7.3 | 1.4 | 5.3 | 2.4 | 5.5 | 0.7 |
20 | 6.8 | 2.5 | 6.5 | 2.3 | 6.0 | 2.0 | 7.2 | 0.9 | 5.3 | 2.3 | ||||||
21 | 5.9 | 1.0 |