Data period: through 2018

Town County Delorme Map # True Basin Flushing Rate Elevation
T10 R11 WELS PISCATAQUIS 56 1 2.51 flushes/yr 1120 ft
Maximum Depth Average Depth Surface Area Lake Volume Drainage Area
12 m
(40 ft) 		5 m
(17 ft) 		294 ha
(727 ac) 		14,942,685 m3
(12,114 ac-ft) 		33 km2
(13 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 14 29 9 3.7 3.7 3.7 1 2.5 2.5 2.5
1996 12 36 8 19 4.1 4.1 4.1 1 5.3 5.3 5.3

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
14 32 8.5 19 3.7 3.9 4.1 1 2.5 3.9 5.3

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
1996-08-26
Depth (m) TEMP DO TEMP DO
0 22 8.2 21 8.6
1 22 8.2 21 8.4
2 22 8.2 21 8.4
3 22 8.2 20 8.3
4 22 7.8 20 8.2
5 21 6.9 20 8.0
6 20 3.5 19 4.2
7 18 1.2 17 1.9
8 15 0.2 16 0.8
9 13 0.2 15 0.3
10 12 0.2 15 0.0
11 12 0.2 14 0.0

Most recent temperature and dissolved oxygen profile plots

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