Wisconsin Department of Natural Resources
Monitoring Station
Station ID:
10000542
Station Name:
Arrowhead Lake
Specific Parameter:
-- All Parameters --
# Docks
% Lake Area with Emergent/Floating Aquatic Plants
% Lake Area with Submergent Aquatic Plants
% Shoreline Agriculture
% Shoreline Bare Ground
% Shoreline Development (Residential, Urban)
% Shoreline Forest
% Shoreline Grass
% Shoreline Modifications (Docks, Riprap)
% Shoreline Shrubs
% Shoreline Wetland
Additional Comments about Aquatic Invasives Monitoring
Algal Abundance & Type
Appealing Rating of Waterbody Character
Aquatic Plant Density
Banded Mystery Snail
Chinese Mystery Snail
CURLY-LEAF PONDWEED
Date of first "Ice Off"
Date of first "Ice On"
Date sample was analyzed
Density of Angling Pressure in Lake
Density of Aquatic Invasive Species (1)
Density of Aquatic Invasive Species (2)
Density of Aquatic Invasive Species (3)
Density of Bridges/Causeways along Shoreline or in Catchment
Density of Chemical Treatment in Lake
Density of Commercial along Shoreline or in Catchment
Density of Construction along Shoreline or in Catchment
Density of Cropland along Shoreline or in Catchment
Density of Drinking Water Treatment in Lake
Density of Dumping along Shoreline or in Catchment
Density of Evidence of Fire along Shoreline or in Catchment
Density of Feedlot along Shoreline or in Catchment
Density of Fish Stocking in Lake
Density of Hiking Trails along Shoreline or in Catchment
Density of Industrial Plants along Shoreline or in Catchment
Density of Liming in Lake
Density of Livestock Use along Shoreline or in Catchment
Density of Logging along Shoreline or in Catchment
Density of Macrophyte Control in Lake
Density of Maintained Lawns along Shoreline or in Catchment
Density of Marinas along Shoreline or in Catchment
Density of Mines/Quarries along Shoreline or in Catchment
Density of Odors along Shoreline or in Catchment
Density of Oil/Gas Wells along Shoreline or in Catchment
Density of Orchards along Shoreline or in Catchment
Density of Parks/Campgrounds along Shoreline or in Catchment
Density of Pasture along Shoreline or in Catchment
Density of Pipes, Drains along Shoreline or in Catchment
Density of Poultry along Shoreline or in Catchment
Density of Power Plants along Shoreline or in Catchment
Density of Primitive Parks, Camping along Shoreline or in Catchment
Density of Residences along Shoreline or in Catchment
Density of Resorts along Shoreline or in Catchment
Density of Roads along Shoreline or in Catchment
Density of Sewage Treatment along Shoreline or in Catchment
Density of Surface Films, Scums, or Slicks along Shoreline or in Catchment
Density of Trash/Litter along Shoreline or in Catchment
Density of Water Level Fluctuations in Lake
Density of Water Withdrawl along Shoreline or in Catchment
Depth Sampled
Describe portion of waterbody you can see from your observation point
Describe your observation point
Diameter of zooplankton net opening
Did at least some data collectors monitor in August?
Did at least some data collectors monitor in July?
Did at least some data collectors monitor in June?
Did at least some data collectors monitor in May?
Did you check underwater solid surfaces (boat hulls, dock legs, rocks)?
Did you find another invasive species?
Did you find what you suspect are Fishhook Water Fleas in this waterbody?
Did you find what you suspect are Spiny Water Fleas in this waterbody?
Did you look for Asiatic clam (Corbicula)?
Did you look for Banded mystery snails?
Did you look for Brazilian waterweed?
Did you look for Chinese mystery snails?
Did you look for Curly-Leaf Pondweed?
Did you look for Eurasian Water-Milfoil?
Did you look for Faucet Snails?
Did you look for Flowering Rush?
Did you look for Hydrilla?
Did you look for New Zealand Mudsnails?
Did you look for Phragmites?
Did you look for purple loosestrife?
Did you look for Quagga Mussels?
Did you look for Red Swamp Crayfish?
Did you look for Yellow Floating Heart?
Did you look for Zebra Mussels?
Did you monitor all Beaches and Boat Landings?
Did you monitor docks and piers?
Did you monitor perimeter of Whole Lake?
Did you observe entire shallow water area?
Did you snorkel the search sites?
Did you use rake to extract plant samples?
Did you walk along the shoreline?
Disturbance Rating of Waterbody Character
Ecological Integrity
EURASIAN WATERMILFOIL (MYRIOPHYLLUM SPICATUM L.)
FAT PERCENT NON-HEX EXT
FISH LENGTH, TOTAL INCHES
FISH, WHOLE, WET WEIGHT KILOGRAMS
FISHHOOK WATER FLEA
Freshwater Jellyfish
General Assessment
Has Ethanol been added to the sample?
Have you consolidated all of your samples into one composite bottle?
Herbarium or museum where specimen is
Hydrilla (Hydrilla verticillata)
Hydrologic Lake Type
Ice Duration (Total number of dates frozen, if lake was observed daily)
If you did not snorkel, why not?
If you or past observers have always used another method, describe
Lake Level Changes
Lake Level Changes - Elevation Change
Latitude of sample
Longitude of sample
Low Elevation Flight Hazards
MERCURY
Month of first "Ice Off"
Month of first "Ice On"
Motor Boat Density
Name of plankton sample analyst
NUMBER OF INDIVIDUALS IN THE SAMPLE
Nutrient Sources
Observations (eg accessibility, boating, fishing, swimming, health concerns)
Observer Email
Observer Phone Number
Other invasive species found
Outlet Dams
PCB
PCB 1254/1260
Purple loosestrife (Lythrum salicaria)
Recreational Value
Rusty Crayfish (Orconectes rusticus)
Sample sent to, Date
Satellite derived water clarity greater than max depth of lake
SECCHI DEPTH - FEET
Site 1 - Depth of tows
Site 1 - Number of net tows
Site 2 - Depth of tows
Site 2 - Number of net tows
Site 3 - Depth of Tows
Site 3 - Number of net tows
Site Name
Site Number
Species Name
Species Name (2)
Species Name (3)
SPECIES SEX CODE
SPINY WATER FLEA
Swimability
Total Paid Hours Spent
Total Volunteer Hours Spent
Trophic State
Visual Assessment
Volume of sample that was analyzed (ml)
Was the specimen confirmed as species?
Water Clarity - Predicted Secchi Depth Derived from Satellite Imagery
Water Flea Tow Method
Where did you find the invasive?
Which aquatic invasive did you find?
Wildlife Observed
Year of first "Ice Off"
Year of first "Ice On"
ZEBRA MUSSEL, ADULT
ZEBRA MUSSEL, VELIGER
Sample Results
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Wisconsin Department of Natural Resources
Wisconsin Department of Natural Resources