Data period: through 2017

Town County Delorme Map # True Basin Flushing Rate
MOUNT DESERT HANCOCK 16 1 0.17 flushes/yr
Maximum Depth Average Depth Surface Area Lake Volume Drainage Area
46 m
(150 ft) 		24 m
(79 ft) 		72 ha
(178 ac) 		17,388,143 m3
(14,097 ac-ft) 		4 km2
(1.6 mi2)

Secchi Disk Transparency Graphs

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"

Water Chemistry and Trophic State Parameters

Table Legend:

Color: Color (SPU), Alk: Alkalinity (mg/l CaCO3), SpCon: Specific Conductivity (\(\mu\)S/cm), pH: pH (standard units)

TP = Total Phosphorus (\(\mu\)g/L) – EC: Epilimnion Core, SG: Surface Grab, BG: Bottom Grab, PG: Profile Grab

SDT = Secchi Disk Transparency (m) – Min: minimum value, Avg: average value, Max: maximum value, n: number of months with Secchi readings per year, b: number of times Secchi disk was observed touching the bottom of the lake per year

Chl = Chlorophyll-a (\(\mu\)g/L) – Min: minimum value, Avg: average value, Max: maximum value
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
2003 3.0 39 6.7 11 13 15 2
2004 3.2 36 6.7
2005 4 3.0 36 6.4
2007 4 3.0 33 6.5
2014 7.0
2017 5 3.3 32 6.7

Lake Chemistry and Trophic Summary Data - Overall Summary Values:

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
4.3 3.1 35 6.7 11 13 15 2 Inf 1

Most recent late summer temperature and dissolved oxygen profiles

Units: Temperature (TEMP) = °C; Dissolved Oxygen (DO) = mg/L
2003-09-09
Depth (m) TEMP DO
0 19.4 9.6
1 19.2 9.5
2 19.1 9.5
3 19.0 9.5
4 19.0 9.5
5 18.9 9.6
6 18.9 9.4
7 18.9 9.5
8 18.9 9.5
9 18.8 9.6
10 18.8 9.6
11 18.7 9.7
12 13.8 12.8
13 11.5 13.5
14 10.0 14.6
15 8.7 14.2
16 8.0 14.4
17 7.1 14.6
18 6.7 14.4
19 6.4 14.2
20 6.2 14.1
21 6.0 14.0
22 5.9 13.9
23 5.8 13.5
24 5.8 13.4
25 5.7 13.4
26 5.7 13.2
27
28
29
30 5.3 12.7

Recent temperature and dissolved oxygen profile plots

Temperature (°C), Dissolved Oxygen (mg/L)