Data period: through 2018

Town County Delorme Map # True Basin Flushing Rate Elevation
TURNER ANDROSCOGGIN 11 1 2.98 flushes/yr 330 ft
Maximum Depth Average Depth Surface Area Lake Volume Drainage Area
4 m
(14 ft) 		1 m
(5 ft) 		6 ha
(15 ac) 		83,542 m3
(68 ac-ft) 		0 km2
(0.2 mi2)

Secchi Disk Transparency Graphs

Graph Legend: Secchi symbols = average Secchi Disk Transparency Values; tick marks = maximum and minimum values for each year.

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
1977 21 1.7 1.7 1.7 1 9.2 9.2 9.2
2006 4.0 6.9 13 4.0 4.4 5.1 5 5 4.8 4.8 4.8
2007 3.5 6.7 15 3.0 4.5 5.1 6 7 3.3 3.3 3.3
2008 3.0 6.7 14 4.1 4.9 5.1 7 12 5.2 5.2 5.2
2009 4.0 15 5.0 5.1 5.3 5 5 3.0 3.0 3.0
2010 14 4.5 4.5 4.5 1 4.8 4.8 4.8
2011 20 13 4.3 4.3 4.3 1 4.9 4.9 4.9
2012 4.0 25 5.1 5.1 5.1 1 1 3.6 3.6 3.6
2013 3.5 10 5.2 5.2 5.2 1 1 3.0 3.0 3.0
2014 16 4.9 4.9 4.9 1 8.9 8.9 8.9
2015 21 4.6 4.6 4.6 1 1 11.0 11.0 11.0
2016 3.5 23 6.6 10 4.5 4.5 4.5 1 1 3.8 3.8 3.8
2017 3.5 10 4.4 4.4 4.4 1 1 2.9 2.9 2.9
2018 8 16 3.7 3.7 3.7 1 4.0 4.0 4.0

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 3.6 22 6.7 15 16 1.7 4.4 5.3 2.4 2.9 5.2 11

Temperature and Dissolved Oxygen Profiles

Late summer only; limited to eight most recent profiles

Units: Temperature (TEMP) = °C; Dissolved Oxygen (DO) = mg/L

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Most recent temperature and dissolved oxygen profile plots

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