Data period: through 2018
Town | County | Delorme Map # | True Basin | Flushing Rate | Elevation |
---|---|---|---|---|---|
ROCKPORT | KNOX | 14 | 1 | 0.82 flushes/yr | 375 ft |
Maximum Depth | Average Depth | Surface Area | Lake Volume | Drainage Area |
---|---|---|---|---|
20 m (66 ft) |
9 m (28 ft) |
44 ha (109 ac) |
3,760,844 m3 (3,049 ac-ft) |
5 km2 (1.8 mi2) |
Graph Legend: Secchi symbols = average Secchi Disk Transparency Values; tick marks = maximum and minimum values for each year.
## [1] "No 2018 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1974 | 6.7 | 6.7 | 6.7 | 1 | ||||||||||||
1975 | 5 | 6.4 | 7.0 | 7.9 | 4 | |||||||||||
1976 | 3.8 | 6.0 | 8.2 | 5 | ||||||||||||
1978 | 3.9 | 30 | 5.2 | 7.7 | 9.9 | 6 | ||||||||||
1982 | 10.0 | |||||||||||||||
1984 | 31.0 | |||||||||||||||
1986 | 6.2 | |||||||||||||||
1987 | 14.0 | |||||||||||||||
2008 | 4.0 | 8.4 | 8.6 | 8.9 | 1 | 2.1 | 2.1 | 2.1 |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
3.9 | 30 | 13 | 5 | 3.8 | 7.2 | 9.9 | 3.4 | 2.1 | 2.1 | 2.1 |
Depth (m) | TEMP | DO | TEMP | DO |
---|---|---|---|---|
0 | 22.5 | 8.7 | 21.1 | 8.5 |
1 | ||||
2 | 22.0 | 8.8 | 20.1 | 8.4 |
3 | ||||
4 | 21.5 | 8.8 | 20.1 | 8.5 |
5 | ||||
6 | 21.0 | 8.9 | 19.8 | 8.5 |
7 | 15.0 | 11.0 | 18.0 | 9.1 |
8 | 11.3 | 11.6 | 12.2 | 10.8 |
9 | 10.0 | 11.9 | 10.2 | 11.6 |
10 | 9.0 | 12.0 | 9.1 | 11.6 |
11 | 8.1 | 12.0 | 8.2 | 11.3 |
12 | 7.8 | 11.8 | 7.8 | 11.0 |
13 | ||||
14 | 7.1 | 11.6 | 7.0 | 9.4 |
15 | ||||
16 | 6.8 | 11.2 |