Data period: through 2018

Town County Delorme Map # True Basin Flushing Rate Elevation
T09 R11 WELS PISCATAQUIS 56 1 3.23 flushes/yr 936 ft
Maximum Depth Average Depth Surface Area Lake Volume Drainage Area
14 m
(45 ft) 		5 m
(16 ft) 		47 ha
(116 ac) 		2,353,080 m3
(1,908 ac-ft) 		11 km2
(4.2 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
1989 22 39 6 5.2 5.2 5.2 1 2.1 2.1 2.1

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
22 39 6 5.2 5.2 5.2 1 2.1 2.1 2.1

Temperature and Dissolved Oxygen Profiles

Late summer only; limited to eight most recent profiles

Units: Temperature (TEMP) = °C; Dissolved Oxygen (DO) = mg/L
1989-08-18
Depth (m) TEMP DO
0 21.0 8.5
1 21.0 8.5
2 21.0 8.5
3 21.0 8.5
4 20.0 8.4
5 13.5 8.3
6 10.0 7.0
7 9.0 6.0
8 8.0 5.9
9 8.0 5.8
10 7.2 5.5
11 7.2 5.1
12 7.0 4.6
13 7.0 4.3
14 7.0 4.0

Most recent temperature and dissolved oxygen profile plots

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