Data period: through 2017

Town County Delorme Map # True Basin Flushing Rate
T17 R04 WELS AROOSTOOK 68 1 0.29 flushes/yr
Maximum Depth Average Depth Surface Area Lake Volume Drainage Area
50 m
(163 ft) 		15 m
(49 ft) 		2,715 ha
(6,709 ac) 		406,374,688 m3
(329,453 ac-ft) 		195 km2
(75 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
1980 60
1981 4.6 5.0 5.3 2
1988 2.5 4.4 5.5 6
1989 2.3 4.2 5.7 5
1990 3.5 4.2 5.5 5
1991 2.8 3.8 5.5 6
1992 2.5 3.8 5.0 6
1993 2.5 3.9 4.5 4
2010 3.0 3.7 4.7 2
2011 2.9 4.3 5.8 3
2012 2.9 4.7 6.1 3
2013 3.0 4.3 7.1 5
2014 3.6 4.7 6.5 6
2015 4.0 4.8 6.0 6
2016 4.8 5.5 7.0 4
2017 3.4 4.6 6.0 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
60 2.3 4.4 7.1 4.4 Inf 1

Most recent late summer temperature and dissolved oxygen profiles

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

## Error in aggregate.data.frame(pro_melted, by = list(pro_melted$SampLocID, : no rows to aggregate
## [1] "No temperature/dissolved oxygen profile data"

Recent temperature and dissolved oxygen profile plots

Temperature (°C), Dissolved Oxygen (mg/L) 
## [1] "No DO/Temp Profile Data"