Data period: through 2017

Town County Delorme Map # True Basin Flushing Rate
BAR HARBOR HANCOCK 16 1 1.28 flushes/yr
Maximum Depth Average Depth Surface Area Lake Volume Drainage Area
NA m
(NA ft) 		NA m
(NA ft) 		2 ha
(5 ac) 		138,000 m3
(112 ac-ft) 		0 km2
(0.1 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
1994 39 6.0
1995 2.5 33 5.8
1996 3.2 41 6.3 7 4.8 4.8 4.8 1 2.6 2.6 2.6
1997 0.9 41 6.0 6.0 6.0 6.0 1
1998 1.5 36 5.9 5.3 6.7 8.1 2
1999 0.5 45 6.0 5.5 6.3 7.2 2 1
2000 1.1 44 5.9 4.6 4.8 5.0 2
2001 1.6 44 6.1 7.8 7.8 7.9 1
2002 1.2 44 6.1
2007 5.0 1.1 42 6.2 5.8 6.0 6.2 1
2008 8.3 1.4 35 6.1 5 6.5 6.5 6.5 1
2009 11.0 1.5 30 6.2 6.4 6.4 6.4 1
2013 5.5 2.8 38 6.7
2014 6.0 2.8 34 6.5
2015
2016 44 6.5

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
7.2 1.7 39 6.1 5 7 4.6 6.2 8.1 1.3 2.6 2.6 2.6

Most recent late summer temperature and dissolved oxygen profiles

Units: Temperature (TEMP) = °C; Dissolved Oxygen (DO) = mg/L
1996-08-30
2008-09-03
Depth (m) TEMP DO TEMP DO
0 22 8.1 21 8.4
1 22 8.1 21 8.4
2 22 8.1 21 8.4
3 21 7.9 21 8.3
4 21 7.8 21 8.2
5 21 6.8 20 8.1
6 18 0.6 20 7.9
7 15 0.2 20 7.4
8 12 0.2 19 0.9

Recent temperature and dissolved oxygen profile plots

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