Data period: through 2018

Town County Delorme Map # True Basin Flushing Rate Elevation
ST ALBANS SOMERSET 31 1 3.26 flushes/yr 268 ft
Maximum Depth Average Depth Surface Area Lake Volume Drainage Area
8 m
(28 ft) 		3 m
(10 ft) 		405 ha
(1,000 ac) 		12,238,942 m3
(9,922 ac-ft) 		35 km2
(13 mi2)

Secchi Disk Transparency Graphs

Graph Legend: Secchi symbols = average Secchi Disk Transparency Values; tick marks = maximum and minimum values for each year.

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
1977 9 2.7 4.2 5.5 5 1
1978 6.0 6.0 6.0 1
1979 32 85 9 4.1 4.1 4.1 1 4.1 4.1 4.1
1980 5.2 5.2 5.2 1
1981 4.0 5.1 5.5 2
1982 32 79 9 5.5 6.2 6.8 2 1.9 1.9 1.9
1984 4.0 4.8 5.5 4
1985 27 74 9 5.0 5.7 6.8 4
1986 4.5 5.1 6.0 4
1988 29 64 12 4.1 5.2 6.1 5
1992 5.8 5.8 5.8 1
1993 5.0 5.9 6.5 5
1994 4.2 5.3 6.1 5
1995 4.3 5.2 6.2 5
1996 3.6 4.3 5.3 4
1997 4.6 5.9 6.5 4
1998 37 85 16 4.5 5.7 6.6 7 3.0 3.0 3.0
1999 4.2 5.6 6.6 6
2000 3.1 4.8 6.8 4
2001 4.7 6.0 6.9 6
2002 5.1 6.3 7.2 3
2003 12 34 86 12 10 5.9 6.0 6.2 1 3.0 3.0 3.0
2012 14 38 91 7.8 9 5.0 5.2 5.2 3 3.7 3.7 3.7
2013 4.3 5.1 6.2 4
2014 4.8 5.3 6.0 5
2015 4.5 5.5 6.0 5
2016 4.8 5.3 6.4 5
2017 6 3.9 5.0 6.2 4
2018 11 39 91 7.7 9 10 4.8 5.4 6.0 4 4.0 4.0 4.0

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
12 33 82 7.8 10 6 10 2.7 5.4 7.2 3.8 1.9 3.3 4.1

Temperature and Dissolved Oxygen Profiles

Late summer only; limited to eight most recent profiles

Units: Temperature (TEMP) = °C; Dissolved Oxygen (DO) = mg/L

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Most recent temperature and dissolved oxygen profile plots

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