Data period: through 2018

Town County Delorme Map # True Basin Flushing Rate Elevation
CHINA KENNEBEC 13 2 0.72 flushes/yr 194 ft
Maximum Depth Average Depth Surface Area Lake Volume Drainage Area
26 m
(85 ft) 		8 m
(25 ft) 		908 ha
(2,243 ac) 		48,000,000 m3
(38,914 ac-ft) 		50 km2
(20 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 5.3 6.0 6.5 3
1978 5.0 5.4 6.2 5
1979 11 12
1980 18 6.1 6.6 7.4 3 2.4 2.8 3.0
1981 5.5 6.6 7.8 3
1982 6.1 6.9 8.0 4
1983 2.9 5.6 7.5 4
1984 4.0 5.1 6.0 4
1985 1.8 4.3 6.8 4
1986 14 33 1.7 3.7 6.2 7 2.1 10.6 30.0
1987 1.1 2.8 4.0 3
1988 40 1.0 3.1 5.5 7 3.1 11.5 26.7
1989 68 24 18 31 2.0 3.3 4.5 8 3.3 10.5 17.0
1990 63 2.0 3.7 5.9 8 1.8 9.8 32.7
1991 18 54 1.9 3.0 4.0 6 5.6 10.1 15.1
1992 18 18 27 1.5 3.4 4.6 6 0.7 7.5 13.1
1993 16 149 40 2.0 3.7 5.9 8 3.8 7.9 16.4
1994 20 50 28 1.4 3.3 5.1 5 3.2 14.4 37.0
1995 17 16 23 59 1.4 3.6 5.2 6
1996 17 44 2.6 4.0 6.2 6 3.9 8.4 12.8
1997 18 40 1.8 3.1 4.4 8 9.1 13.9 21.9
1998 14 87 7.3 15 40 23 1.1 4.2 6.0 7 1.4 14.7 64.2
1999 20 94 7.0 23 64 1.1 1.8 2.4 6 6.5 31.2 77.1
2000 14 80 7.1 20 52 1.5 3.0 5.5 8 3.7 17.9 82.0
2001 18 89 6.9 17 76 1.5 3.6 5.8 8 3.8 9.0 15.5
2002 18 94 7.3 18 67 1.4 3.7 5.3 6 4.2 13.1 33.7
2003 12 94 6.9 33 38 1.3 3.3 5.6 9 3.8 10.0 31.7
2004 20 70 6.8 21 66 1.8 3.0 4.9 7 5.0 10.7 25.0
2005 19 67 6.8 18 52 1.9 3.2 4.1 7 3.4 11.2 20.9
2006 19 58 6.8 17 32 1.4 3.5 4.8 7 2.8 4.8 7.5
2007 63 6.6 21 36 1.8 3.0 4.0 6 6.0 9.8 15.0
2008 16 17 2.0 3.0 4.6 5 7.4 11.8 16.0
2009 85 7.3 18 54 1.3 3.4 5.0 11 3.6 10.6 40.0
2010 84 6.3 18 48 25 1.3 3.9 6.2 9 3.6 9.1 20.0
2011 87 7.4 20 34 1.2 2.2 4.1 8 6.9 34.4 89.0
2012 95 7.3 20 23 20 1.3 2.7 3.9 6 6.0 17.2 30.0
2013 11 23 98 7.4 20 45 1.6 2.0 3.0 5 12.0 15.1 21.0
2014 11 24 81 7.4 18 168 1.9 2.4 3.0 3 14.0 15.7 18.0
2016 6.4 2.3 4.5 5.5 6
2017 2.9 4.9 7.0 7
2018 3.3 4.9 6.2 6

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
11 18 82 6.9 19 11 53 38 1 3.8 8 6.1 0.7 13 89

Temperature and Dissolved Oxygen Profiles

Late summer only; limited to eight most recent profiles

Units: Temperature (TEMP) = °C; Dissolved Oxygen (DO) = mg/L
2014-08-25
2014-09-11
2016-08-24
2017-08-11
2017-08-22
2017-09-08
2018-08-16
2018-09-13
Depth (m) TEMP DO TEMP DO TEMP DO TEMP DO TEMP DO TEMP DO TEMP DO TEMP DO
0 25 9.2 22 8.6 24 8.5 24 8.7 23.5 8.5 20.3 9.1 25.9 8.1 21.0 8.7
1 24 9.6 22 8.6 23 9.3 24 8.7 23.2 8.6 20.0 9.2 26.0 8.1 21.0 8.5
2 23 9.5 22 8.5 23 9.3 23 8.6 23.1 8.5 19.4 9.1 25.9 8.1 21.0 8.4
3 23 8.8 22 8.5 23 9.3 23 8.4 23.1 8.4 19.3 9.0 25.7 8.1 21.0 8.3
4 22 7.1 22 8.5 23 9.2 23 8.3 22.5 7.5 19.3 8.9 25.7 8.0 20.9 8.3
5 22 6.2 22 8.5 23 9.2 23 7.7 22.3 7.0 19.3 8.7 25.6 7.8 20.9 8.3
6 22 4.5 22 8.5 23 9.1 21 5.6 21.9 5.8 19.3 8.6 24.4 6.0 20.9 8.3
7 21 2.3 22 6.8 22 6.2 21 3.7 20.4 1.6 19.3 8.5 21.6 3.6 20.8 8.0
8 18 0.8 18 0.8 20 0.3 17 1.0 17.6 0.1 18.6 5.6 15.9 0.1 20.5 7.1
9 15 0.6 16 0.7 15 0.4 14 0.1 13.8 0.1 16.2 0.8 12.4 0.1 14.5 0.2
10 13 0.6 14 0.6 12 0.4 13 0.1 11.8 0.1 12.4 0.1 10.9 0.1 11.6 0.2
11 12 0.6 12 0.6 12 0.4 12 0.1 11.2 0.1 11.3 0.1 9.9 0.1 10.7 0.2
12 12 0.6 12 0.6 11 0.3 12 0.1 10.9 0.1 10.6 0.1 9.3 0.1 9.6 0.2
13 11 0.5 11 0.6 11 0.3 12 0.1 10.0 0.1 10.2 0.1 8.7 0.1 9.1 0.2
14 11 0.5 11 0.6 11 0.3 11 0.1 9.8 0.1 9.9 0.1 8.5 0.1 8.7 0.2
15 10 0.5 10 0.3 11 0.1 9.0 0.1 9.7 0.1 8.4 0.1 8.4 0.2
16 8.3 0.1 8.3 0.2

Most recent temperature and dissolved oxygen profile plots

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