Data period: through 2017

Town County Delorme Map # True Basin Flushing Rate
BROOKTON TWP WASHINGTON 45 1 2.05 flushes/yr
Maximum Depth Average Depth Surface Area Lake Volume Drainage Area
7 m
(22 ft) 		3 m
(11 ft) 		2,675 ha
(6,610 ac) 		89,919,136 m3
(72,899 ac-ft) 		269 km2
(104 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
2001 3.8 4.3 4.8 3
2003 3.3 3.7 4.2 3
2004 46 5.5 26 6.6 10 3.8 3.8 3.8 1 3.1 3.1 3.1
2011 9 4.7 4.7 4.7 1 3.3 3.3 3.3

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
46 5.5 26 6.6 9.5 3.3 4.1 4.8 2 3.1 3.2 3.3

Most recent late summer temperature and dissolved oxygen profiles

Units: Temperature (TEMP) = °C; Dissolved Oxygen (DO) = mg/L
2004-08-23
2011-08-22
Depth (m) TEMP DO TEMP DO
0 21 8.7 23 7.7
1 21 8.7 23 7.7
2 21 8.8 23 7.7
3 21 8.7 23 7.7
4 21 8.8 23 7.7
5 21 8.7 23 7.6
6 23 7.6
7 22 7.6

Recent temperature and dissolved oxygen profile plots

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