Data period: through 2017
Town | County | Delorme Map # | True Basin | Flushing Rate |
---|---|---|---|---|
ETNA | PENOBSCOT | 22 | 1 | 8.08 flushes/yr |
Maximum Depth | Average Depth | Surface Area | Lake Volume | Drainage Area |
---|---|---|---|---|
4 m (12 ft) |
2 m (6 ft) |
122 ha (301 ac) |
2,388,271 m3 (1,936 ac-ft) |
21 km2 (8 mi2) |
Graph Legend: Secchi symbols = average Secchi Disk Transparency Values; tick marks = maximum and minimum values for each year.
## [1] "No 2017 Secchi Disk Transparency Data"
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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1980 | 39 | 0.9 | 1.8 | 2.4 | 6 | |||||||||||
1981 | 20 | 50 | 18 | 2.1 | 2.4 | 2.9 | 6 | 2.1 | 4.1 | 7.4 | ||||||
1998 | 19 | 63 | 14 | 36 | 2.1 | 3.1 | 3.5 | 5 | 7.3 | 7.3 | 7.3 | |||||
1999 | 2.1 | 3.0 | 4.2 | 4 | 1 | |||||||||||
2000 | 3.6 | 3.6 | 3.6 | 1 | ||||||||||||
2001 | 3.1 | 3.4 | 3.8 | 4 | ||||||||||||
2002 | 70 | 21 | 67 | 24 | 2.7 | 3.1 | 3.3 | 2 | 6.7 | 6.7 | 6.7 | |||||
2015 | 1.4 | 1.8 | 1.9 | 2 | ||||||||||||
2016 | 1.4 | 3.1 | 3.9 | 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
70 | 20 | 60 | 24 | 36 | 0.9 | 2.8 | 4.2 | 3.8 | 2.1 | 6 | 7.4 |
Depth (m) | TEMP | DO | TEMP | DO | TEMP | DO |
---|---|---|---|---|---|---|
0 | 22 | 7.9 | 24 | 6.6 | 29 | 8.1 |
1 | 21 | 7.7 | 24 | 6.6 | 29 | 8.2 |
2 | 20 | 7.4 | 24 | 6.6 | 24 | 7.9 |
3 | 20 | 7.4 | 24 | 6.6 | 23 | 6.6 |
4 | 20 | 6.9 | 21 | 0.4 | 22 | 1.2 |