Data period: through 2017

Town County Delorme Map # True Basin Flushing Rate
PARSONSFIELD YORK 4 1 0.68 flushes/yr
Maximum Depth Average Depth Surface Area Lake Volume Drainage Area
8 m
(28 ft)
3 m
(10 ft)
71 ha
(175 ac)
2,221,826 m3
(1,801 ac-ft)
2 km2
(0.7 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
1984 5.0 16 3.3 3.9 4.5 4 3.2 3.2 3.2
1992 5.5 6.1 6.7 4 2
1993 4.0 4.5 5.5 5
1994 4.5 5.4 7.0 6
1995 3.6 4.0 5.0 4
1996 4.5 5.0 6.1 3
1998 4.6 5.7 7.7 5 1
2001 5.2 5.4 5.6 3
2002 6.1 6.3 6.8 3
2003 3.5 11.5 82 18 10 5.3 6.2 7.4 4 1.6 1.6 1.6
2004 2.0 11.0 82 9 6.0 6.4 6.7 3
2005 5.8 6.8 7.9 4
2006 6.0 6.7 7.7 4
2007 7.0 9.0 67 7.3 8 9 5.4 6.6 7.6 3 2.3 2.3 2.3
2008 6.1 7.0 7.8 3
2009 5.5 6.3 7.6 4
2010 4.6 5.8 6.8 3
2011 4.1 5.2 5.4 3
2012 6.0 9.2 64 7.1 7 4.1 5.2 7.1 4
2013 5.7 6.6 6.9 3
2014 5.6 6.6 7.6 4
2015 5.5 6.5 7.8 4
2017 4.3 6.5 7.8 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
4.6 9.1 74 7.2 14 8 9.5 3.3 5.9 7.9 3.7 1.6 2.4 3.2

Most recent late summer temperature and dissolved oxygen profiles

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

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Recent temperature and dissolved oxygen profile plots

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