Data period: through 2017

Town County Delorme Map # True Basin Flushing Rate
VANCEBORO WASHINGTON 46 1 NA flushes/yr
Maximum Depth Average Depth Surface Area Lake Volume Drainage Area
16 m
(54 ft) 		6 m
(18 ft) 		6,968 ha
(17,219 ac) 		NA m3
(NA ac-ft) 		NA km2
(NA 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
1978 4.3 4.8 5.3 3
1979 5.0 5.0 5.0 1
1984 8 4.1 4.1 4.1 1 2.8 2.8 2.8
1987 8 27 5.4 5.4 5.4 1
1992 3.6 4.6 5.2 4
1993 3.8 4.7 5.8 5
1994 3.9 4.3 5.1 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
8 27 3.6 4.7 5.8 2.9 2.8 2.8 2.8

Most recent late summer temperature and dissolved oxygen profiles

Units: Temperature (TEMP) = °C; Dissolved Oxygen (DO) = mg/L
1984-08-22
1987-08-20
Depth (m) TEMP DO TEMP DO
0 21 8.1 24 8.2
1 21 7.9 24 8.2
2 21 7.9 24 8.2
3 21 7.9 23 8.2
4 21 7.9 22 8.1
5 20 7.8 22 8.0
6 20 7.5 22 7.7
7 20 7.5 21 7.5
8 20 7.5 20 7.0
9 18 2.1 20 6.0
10 18 1.5
11 17 1.3
12 16 1.2
13
14 16 0.9
15
16 16 0.4

Recent temperature and dissolved oxygen profile plots

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