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Glossary
Paradise Lake
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Welcome
Wilderness
Yellow
Watershed Area
2419 acres
Lake surface area
18 acres
Maximum depth
28 feet
Mean depth
17 feet
Public Park
N
Boat Ramp
N
Fish Present
Not Available
Volunteer monitoring began at Paradise Lake in 1996 and continued through 2008, after which it was discontinued. The data indicated this lake, whose watershed extends into Snohomish County, was moderately colored and high in primary productivity (eutrophic) with fairly good water quality. Productivity may be decreasing slightly over time, but the trend is poorly correlated.
Profile data show thermal stratification was stable through summer, and sedimentary phosphorus release added significantly to deep water concentrations. Nitrogen to phosphorus ratios in the upper water were often below 20:1, which can favor bluegreens over other algal species.
Paradise Lake has no public access boat launch, but residents should watch the nearshore environment for early infestations of Eurasian milfoil and other noxious weeds.
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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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