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Lake Alice
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Alice
Allen
Ames
Angle
Beaver-1
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Boren
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Dolloff
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Echo-Snoqualmie
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Webster
Welcome
Wilderness
Yellow
Watershed Area
184 acres
Lake surface area
32 acres
Maximum depth
30 feet
Mean depth
8 feet
Public Park
N
Boat Ramp
Y, no gas engines
Fish Present
bass, stocked rainbow
Volunteer monitoring began at Lake Alice in 2000 and continued through 2008, after which it was discontinued. The lake was lightly colored and relatively low in phytoplankton productivity (high oligotrophic to low mesotrophic) with very good water quality. There was an upward trend in productivity from 2000 continuing through 2008, validated statistically.
Thermal stratification was not continuous in summer, and phosphorus released from the sediments did not build up in the deep water. The nitrogen to phosphorus ratio is generally above 20:1, which does not favor bluegreens over other algae.
Lake Alice has a public access boat ramp, and aquatic plants growing around the lake should be tracked to catch early infestations of Eurasian milfoil, Brazilian elodea or other noxious aquatic weeds. There is an established infestation of fragrant water lily at the lake.
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This bathymetric map shows contour lines of equal depth, similar to a topographic map would for mountains and valleys
This map shows the area of the watershed relative to the area of the lake. Generally speaking, the larger a watershed is relative to a lake, the greater the influence land use practices on lake water quality
Click image to enlarge
Back to top View or Download Data Use this tool to view or download data from the lake in tabular format. You can
define date ranges and select which parameters to view or download. Chart Data Use the charting tool to look at graphs showing single parameters for a single
water year at a time. Five year water quality trends
A common method of tracking water quality trends in lakes is by calculating
the “trophic state index” (TSI) (Carlson, 1977). TSI indicators predict the biological
productivity of the lake based on water clarity (Secchi) and concentrations of total
phosphorus (TP) and chlorophyll a (Chlor).
The average of these three TSI indicators during the growing season can be used
to place lakes in one of three broad categories:
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