Data period: through 2017

Town County Delorme Map # True Basin Flushing Rate
T01 R11 WELS PISCATAQUIS 50 1 29.38 flushes/yr
Maximum Depth Average Depth Surface Area Lake Volume Drainage Area
18 m
(58 ft) 		4 m
(14 ft) 		64 ha
(158 ac) 		2,661,921 m3
(2,158 ac-ft) 		18 km2
(6.9 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
1989 8 22 6 4.6 4.6 4.6 1 2.6 2.6 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
8 22 6 4.6 4.6 4.6 1 2.6 2.6 2.6

Most recent late summer temperature and dissolved oxygen profiles

Units: Temperature (TEMP) = °C; Dissolved Oxygen (DO) = mg/L
1989-09-19
Depth (m) TEMP DO
0 17.1 9.1
1 17.0 9.1
2 16.8 9.0
3 16.2 8.7
4 16.0 8.4
5 15.2 7.8
6 14.9 6.5
7 13.0 2.7
8 11.1 2.7
9 10.2 2.6
10 10.0 2.3
11 9.0 1.0
12 8.8 0.6
13 8.4 0.1
14 8.4 0.1

Recent temperature and dissolved oxygen profile plots

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