Data period: through 2018

Town County Delorme Map # True Basin Flushing Rate Elevation
WOODSTOCK OXFORD 10 1 1.1 flushes/yr 721 ft
Maximum Depth Average Depth Surface Area Lake Volume Drainage Area
11 m
(37 ft) 		4 m
(13 ft) 		124 ha
(306 ac) 		4,858,359 m3
(3,939 ac-ft) 		9 km2
(3.5 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
1982 4.4 4.8 5.6 5
1983 5.0 10 14 4.3 5.1 5.7 5 6.5 6.5 6.5
1984 3.5 4.5 5.2 4
1985 5.0 5.4 5.7 4
1986 6.0 27 11 18 5.0 5.0 5.0 1
1987 5.0 5.2 5.5 4
1988 5.0 5.7 6.3 5
1989 8 21 5.3 5.4 5.6 4
1990 5.8 6.1 6.6 2
1991 5.5 6.6 8 20 4.7 5.4 5.9 6
1992 7.4 6.6 9 11 4.9 5.9 7.0 6
1993 5.2 5.7 6.2 6
1994 7 6 5.3 5.6 5.9 6
1995 5.0 5.5 6.0 5
1996 5.3 5.9 6.6 6
1997 7.5 7.0 7 13 4.7 5.8 6.6 7 4.2 4.2 4.2
1998 4.5 6.0 6.8 7
1999 5.6 6.1 6.6 5
2000 7.0 6.7 9 25 5.8 6.5 7.0 6 2.9 2.9 2.9
2001 6.0 6.3 6.6 6
2002 6.0 6.5 7.0 5
2003 7.5 23 6.9 9 18 5.5 6.6 7.2 5 7.4 7.4 7.4
2004 5.9 6.6 6.9 5
2005 5.9 6.2 6.8 6
2006 6.0 6 12 4.7 5.9 6.8 6 6.2 6.2 6.2
2007 5.0 6.2 7.2 5
2008 16 4.8 35 6.7 5 7 12 5.2 5.8 6.4 6 2.7 2.7 2.7
2009 5.5 10 10 4.0 5.5 6.7 7 1.9 1.9 1.9
2010 5.4 6.0 7.4 4
2011 4.4 5.2 5.7 2
2012 5.0 5 17 4.3 5.2 6.0 5 4.3 4.3 4.3
2013 4.3 5.0 5.6 3
2014 4.8 5.4 6.1 5
2015 9.0 34 5 15 6.2 6.2 6.2 1 2.8 2.8 2.8
2018 12 7.0 51 7.3 5 20 6.3 6.3 6.3 1 3.0 3.0 3.0

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
14 6.4 34 6.8 7.6 7 16 3.5 5.7 7.4 4.7 1.9 4.2 7.4

Temperature and Dissolved Oxygen Profiles

Late summer only; limited to eight most recent profiles

Units: Temperature (TEMP) = °C; Dissolved Oxygen (DO) = mg/L
2000-08-29
2003-08-08
2006-09-10
2008-08-27
2009-08-10
2012-08-17
2015-08-28
2018-08-10
Depth (m) TEMP DO TEMP DO TEMP DO TEMP DO TEMP DO TEMP DO TEMP DO TEMP DO
0 22 8.9 25 9.1 20 8.5 21 8.3 23 8.6 24 7.8 25 8.0 26 8.1
1 22 8.9 24 9.2 20 8.6 21 8.3 22 8.6 24 7.8 25 8.0 26 8.1
2 22 8.9 24 9.3 20 8.5 21 8.3 22 8.7 24 7.9 24 8.1 26 8.1
3 21 8.9 24 9.3 20 8.5 21 8.3 22 8.6 24 7.8 24 8.1 26 8.1
4 20 7.8 24 9.6 20 8.5 21 8.1 22 8.4 24 7.7 24 8.0 26 8.0
5 20 5.8 23 8.7 20 8.1 20 6.6 18 2.1 21 1.6 24 7.8 26 7.8
6 20 3.9 21 3.0 19 6.7 18 2.2 17 0.1 16 0.2 21 1.8 21 1.8
7 19 2.2 18 0.7 19 5.5 16 0.3 16 0.0 14 0.2 17 0.0 18 0.3
8 18 0.4 16 0.7 18 2.6 15 0.2 16 0.0 14 0.2 15 0.0 15 0.2
9 16 0.2 14 0.9 15 0.2 14 0.2 16 0.0 13 0.2 14 0.0 14 0.2
10 14 0.2 14 0.1 14 0.2 15 0.0 13 0.2 12 0.0 13 0.2
11 12 0.0

Most recent temperature and dissolved oxygen profile plots

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