Data period: through 2018

Town County Delorme Map # True Basin Flushing Rate Elevation
T04 R10 WELS PISCATAQUIS 50 1 0.71 flushes/yr 1377 ft
Maximum Depth Average Depth Surface Area Lake Volume Drainage Area
24 m
(79 ft) 		10 m
(32 ft) 		75 ha
(185 ac) 		7,300,118 m3
(5,918 ac-ft) 		6 km2
(2.3 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 2018 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
1999 6.0 22 5 13.0 13.1 13.2 1
2009 5 8.9 8.9 8.9 1 1.0 1.0 1.0
2010 3 13.5 13.5 13.5 1 1.0 1.0 1.0
2011 3 4.7 16 6.9 4 10.8 10.9 11.1 1 0.7 0.7 0.7

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
3 5.3 19 6.9 5 3.5 5 8.9 12 14 1 0.7 0.9 1

Temperature and Dissolved Oxygen Profiles

Late summer only; limited to eight most recent profiles

Units: Temperature (TEMP) = °C; Dissolved Oxygen (DO) = mg/L
1999-08-16
Depth (m) TEMP DO
0 20 9.0
1 20 8.8
2 20 9.1
3 20 9.2
4 20 9.0
5 20 9.2
6 20 9.3
7 20 9.0
8 20 9.2
9 20 9.1
10 19 9.1
11 19 9.1
12 17 10.0
13 14 12.5
14 12 12.0
15 11 11.8
16 10 12.0
17 10 10.4
18 9 10.4
19 9 9.6
20 9 9.1
21 9 8.2

Most recent temperature and dissolved oxygen profile plots

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