Data period: through 2018
Town | County | Delorme Map # | True Basin | Flushing Rate | Elevation |
---|---|---|---|---|---|
ACTON | YORK | 2 | 1 | 1.26 flushes/yr | 481 ft |
Maximum Depth | Average Depth | Surface Area | Lake Volume | Drainage Area |
---|---|---|---|---|
30 m (98 ft) |
7 m (22 ft) |
260 ha (642 ac) |
20,679,595 m3 (16,765 ac-ft) |
21 km2 (8.3 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 | 5.3 | 6.0 | 6.7 | 4 | ||||||||||||
1977 | 5.9 | 7.1 | 8.2 | 4 | ||||||||||||
1978 | 7.0 | 7.8 | 8.7 | 3 | ||||||||||||
1979 | 7.3 | 7.8 | 8.7 | 4 | ||||||||||||
1980 | 6.9 | 8.3 | 9.4 | 5 | ||||||||||||
1981 | 5.5 | 7.4 | 8.7 | 5 | ||||||||||||
1992 | 14 | 50 | 7.3 | 7.8 | 5.1 | 5.4 | 6.0 | 3 | 4.2 | 4.5 | 4.8 | |||||
2006 | 4.9 | 5.9 | 7.4 | 5 | ||||||||||||
2007 | 5.5 | 6.6 | 7.5 | 3 | ||||||||||||
2008 | 5.5 | 6.0 | 6.3 | 3 | ||||||||||||
2009 | 5.9 | 6.3 | 6.9 | 4 | ||||||||||||
2010 | 6.4 | 6.8 | 7.5 | 3 | ||||||||||||
2011 | 5.5 | 6.4 | 7.7 | 3 | ||||||||||||
2012 | 5.5 | 5.7 | 6.1 | 4 | ||||||||||||
2013 | 6.1 | 6.6 | 7.0 | 2 | ||||||||||||
2014 | 6.5 | 7.0 | 7.4 | 2 | ||||||||||||
2015 | 8.0 | 8.6 | 9.3 | 2 | ||||||||||||
2016 | 6.6 | 7.6 | 8.3 | 3 | ||||||||||||
2017 | 6.1 | 6.4 | 6.8 | 2 | ||||||||||||
2018 | 6.0 | 6.5 | 7.0 | 2 |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
14 | 50 | 7.3 | 7.8 | 4.9 | 6.8 | 9.4 | 3.3 | 4.2 | 4.5 | 4.8 |
Depth (m) | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO | TEMP | DO |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0 | 23.9 | 8.1 | 21.9 | 9.5 | 25.0 | 11.7 | 27.4 | 8.1 | 25.3 | 8.1 | 24.6 | 8.6 | 23 | 8.9 | 25.1 | 8.1 |
1 | 23.9 | 8.0 | 21.8 | 9.5 | 23.9 | 11.7 | 27.3 | 8.1 | 25.2 | 8.2 | 24.7 | 8.6 | 21 | 8.6 | 25.1 | 8.1 |
2 | 23.3 | 8.0 | 21.6 | 9.5 | 22.8 | 11.8 | 27.2 | 8.2 | 25.1 | 8.2 | 24.2 | 8.7 | 21 | 8.6 | 25.1 | 8.4 |
3 | 22.9 | 7.9 | 21.4 | 9.5 | 22.4 | 11.7 | 26.1 | 8.2 | 25.0 | 8.3 | 24.7 | 8.7 | 20 | 8.7 | 25.0 | 8.4 |
4 | 22.7 | 7.5 | 21.4 | 9.2 | 21.8 | 11.6 | 24.7 | 8.5 | 24.7 | 8.2 | 23.2 | 8.7 | 20 | 8.6 | 24.8 | 8.4 |
5 | 22.6 | 6.1 | 21.4 | 9.1 | 21.1 | 11.3 | 22.8 | 8.8 | 24.6 | 8.3 | 21.7 | 8.4 | 19 | 8.1 | 23.9 | 8.7 |
6 | 20.9 | 3.9 | 21.2 | 9.1 | 20.1 | 10.6 | 19.3 | 10.1 | 24.5 | 8.3 | 16.5 | 6.3 | 19 | 7.5 | 17.7 | 10.9 |
7 | 15.4 | 3.8 | 20.0 | 7.0 | 14.8 | 10.6 | 14.3 | 8.6 | 24.4 | 8.1 | 14.2 | 5.4 | 16 | 5.1 | 13.5 | 10.1 |
8 | 12.9 | 3.8 | 15.7 | 6.6 | 12.1 | 9.7 | 10.6 | 7.3 | 20.9 | 8.1 | 11.9 | 5.1 | 15 | 4.0 | 13.5 | 10.4 |
9 | 11.3 | 3.3 | 11.3 | 6.6 | 10.9 | 9.1 | 8.7 | 6.0 | 14.1 | 8.6 | 10.1 | 5.1 | 15 | 3.9 | 9.1 | 7.8 |
10 | 10.1 | 2.9 | 9.5 | 4.0 | 10.5 | 7.8 | 8.1 | 5.1 | 12.1 | 7.9 | 8.9 | 5.0 | 16 | 3.8 | 7.5 | 7.0 |
11 | 9.5 | 2.9 | 8.9 | 2.0 | 10.3 | 7.5 | 7.7 | 3.0 | 11.8 | 7.0 | 8.4 | 4.1 | 16 | 3.9 | 7.1 | 7.0 |
12 | 9.5 | 1.9 | 8.9 | 0.9 | 9.3 | 6.8 | 7.6 | 1.0 | 9.5 | 5.5 | 8.2 | 0.7 | 16 | 3.0 | 6.1 | 7.0 |
13 | 9.7 | 0.9 | 8.8 | 0.0 | 9.3 | 6.5 | 8.9 | 1.9 | 8.3 | 0.2 | 15 | 3.0 | 6.3 | 6.9 | ||
14 | 9.7 | 0.9 | 8.1 | 0.1 | 9.2 | 6.4 | 8.7 | 1.4 | 8.3 | 0.1 | 14 | 1.5 | 6.2 | 6.6 | ||
15 | 9.9 | 0.6 | 8.1 | 0.1 | 9.2 | 6.2 | 8.7 | 0.5 | 14 | 0.9 | 6.2 | 6.6 | ||||
16 | 9.9 | 0.5 | 9.2 | 6.0 | 8.8 | 0.3 | 14 | 0.8 | 6.1 | 6.4 | ||||||
17 | 9.9 | 0.5 | 9.2 | 6.0 | 8.7 | 0.3 | 6.9 | 2.5 | ||||||||
18 | 9.2 | 5.8 | 5.9 | 1.5 | ||||||||||||
19 | 9.1 | 5.4 | 5.9 | 0.5 | ||||||||||||
20 | 9.1 | 3.0 | 5.9 | 0.2 | ||||||||||||
21 | 5.0 | 0.1 | ||||||||||||||
22 | 5.9 | 0.0 |