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Wilke Lake News
Click on the maps to enlarge. Bathymetric Map Courtesy of and Copyright Sportsman’s Connection, based on Wisconsin DNR data. Watershed map courtesy of Manitowoc County Soil and Water Conservation Department. New! Zoom in even closer with this new interactive watershed mapping tool.
Location/Directions: County Highway JJ, Town of Schleswig. Take Highway 151 West from Manitowoc to CTH A, South on CTH A approximately 4.5 miles to Ucker Point Creek Road. Travel west on Ucker Point Creek Road 2 miles to Wilke Lake Road. Travel North to the Boat Landing.
Accessibility: 43° 57′ 59.45″ N / 87° 57′ 43.85″ W
Surface Area: 93 acres
Shorelength: 1.7 mi
Depth: Max 21′, Mean 9′
Bottom: 0% sand, 60% gravel, 0% rock, 40% muck
Type of Lake: Deep Seepage. Deep Seepage lakes stratify, or form separate layers of water, during the summer months and have no inlet or outlet.
Restrictions: Operating restrictions on motorboats and water skiing are posted at the access. Ordinance regulating littering, motorboat prohibition, noise levels, rafts, piers, ski jumps, slow-no-wake areas, slow-no-wake hours, swimming regulations, water skiing restrictions. Read the Wisconsin handbook
Recreational Features: The public access has parking space for 10 car/trailer units and a turn-around area for easier access to the lake. Wilke Lake access also offers a picnic area with grills, a concrete ramp with a port-a-pier and a toilet building.
Manitowoc County Map and Photos: http://www.co.manitowoc.wi.us/departments/i-p/parks/lake-access/wilke-lake/
Aquatic Invasive Species Threats:
Verified: Curly-Leaf Pondweed (1993), Eurasian Water-Milfoil (1993).
- Fish present: Largemouth Bass and Panfish. Musky, Walleye and Northern Pike present.
- Management: Northern pike, bass, panfish.
- View complete Wilke Lake regulations at DNR
- Open All Year
- Panfish: Daily bag limit 25. No min length.
- Catfish: Daily bag limit 10. No min length.
- Open 5/6/2017-3/4/2018:
- Largemouth/smallmouth bass: 14″ Limit 5.
- Northern Pike: 26″ Limit 2.
- Walleye: 15″ Limit 5.
- Motor Trolling is allowed with up to 3 hooks, baits, or lures, per angler.
- Familiarize yourself with Wisconsin fishing:
WDNR Hook & Line Guide
- Consumption Advisory:General Manitowoc County/Mercury. Click here.
Back in 1989, some 115 hybrid muskie fingerlings were planted in Wilke Lake for panfish control, as well as a bonus fishery. Most of those are long gone but an occasional Esox is still taken. Otherwise, what you’ll find are a few “snake” northern pike, some small bluegills and a few crappies that bite for about two days just before ice-out. A 2010 lake survey found lots of tiny bluegills and decent numbers of foot-long largemouth bass – a fishery that may be worth investigating.
— Kiel Bait & Gun, 1148 6th St., Kiel, WI 53014, (920) 894-3836.
DNR Fishing Survey Report: Most recent report 2010
|DNR Fish Stocking Data|
|Year||Species||Strain||Age Class||Number Stocked||Average Length (inches)|
|2015||WALLEYE||LAKE MICHIGAN||SMALL FINGERLING||3,752||1.7|
|2013||WALLEYE||MISSISSIPPI HEADWATERS||SMALL FINGERLING||2,340||2.00|
|2011||WALLEYE||LAKE MICHIGAN||SMALL FINGERLING||2,570||1.90|
|2009||WALLEYE||LAKE MICHIGAN||SMALL FINGERLING||2,245||1.80|
|2005||WALLEYE||LAKE MICHIGAN||SMALL FINGERLING||3,335||1.40|
|DNR Species Summary (2011):
Number of fish caught for the following length categories (inches):
Survey Date: 05-18-2010/Gear: Electrofishing
- 5-Year Average Trophic State: 52/Eutrophic (Source: Wisconsin DNR)
- Secchi Disk (2016): Average summer reading = 5.25 ft. SE Georegion average = 6.8 ft.
Summer (July/Aug) water was reported as MURKY and BROWN. This suggests that the Secchi depth may have been mostly impacted by tannins, stain from decaying matter. Tannins are natural and not a result of pollution. Tannins can be distinguished from suspended sediment because the water, even though it’s brown, it looks clear, like tea. Though tannins are not harmful per se, they are often not perceived as aesthetically pleasing as clear water. Tannins can also be important for decreasing light penetration into the water and decreasing algal growth.
- Chemistry (2016): The average summer Chlorophyll was 9 µg/l (compared to a Southeast Georegion summer average of 23.5 µg/l). The summer total Phosphorus average was 20.8 µg/l. Lakes that have more than 20 µg/l and impoundments that have more than 30 µg/l of total phosphorus may experience noticeable algae blooms.
- Trophic State Index (TSI) (2016): 51/Eutrophic. What does this mean?
Eutrophic lakes are high in nutrients and contain large populations of plants, algae, and fish, which often grow to nuisance levels, and the fish species are generally tolerant of warm temperatures and low oxygen conditions. Phosphorus can fuel algae blooms. This TSI usually suggests decreased clarity, fewer algal species, oxygen-depleted bottom waters during the summer, plant overgrowth evident, warm-water fisheries (pike, perch, bass, etc.) only.
Based on Wisconsin DNR data from 7 readings taken on different days in March-Sept 2016.