Lake Features

Physical and Chemical Features of Lake Winnecook and the 25-Mile Watershed.
Feature Units (SI or metric) Units (English)
Physical Location of Outlet Lat 44.63041 Lon -69.34787
Lake Area ~1000 ha ~2500 acres
Length 6.7 km 4.1 miles
Width 3.0 km 1.9 miles
Length of Shoreline 19.8 km 12.2 miles
Shoreline Development 1.77 (no units)
Watershed 130.3 km2 32,205 acres or 50.3 square miles
Extended Watershed 374.5 km2 92,537 acres or 144.6 square miles
Maximum Depth 12.5 m 41 feet
Average Depth 5.2 m 17.1 feet
Typical Depth of Epilimnion 5.5 m 18.0 feet
Annual Lake Stage Fluctuation 2.2 m 7.2 feet
Mean Elevation 53 m 171 feet
Water Renewal 1.2 years (?)
N/A
pH 7.13 (6.6-7.5)
Alkalinity (CaCO3) 21.3 (19-37) mg/l
Conductivity 50 (17-70) umhos/cm2
N/A
Total Phosphorus (P) (epilimnetic core) 19 (12-37) ppb
N/A
Total Phosphorus (P) (benthic grab) 75 (16-170) ppb
N/A
Chlorophyll a 12.5 (3-40) ppb
N/A
Maximum Surface Temperature 24 C
N/A
Typical Ice Cover (7DEC) 10 DEC – 15 APR (28APR) N/A

Tinsley 1975, Maine Department of Environmental Protection unpublished,

Biello, Hutchinson, and Potter unpublished, Potter unpublished