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Cedar Lake News
Click on the maps to enlarge. NOTE THAT MAP SHOWS LAKE LEVELS 3+ FEET LOWER THAN CURRENT STABLE LEVELS. 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.
Directions: Louis Corners Road, Town of Schleswig. Take Highway 151 West from Manitowoc to CTH A, South on CTH A approximately 6.5 miles to CTH XX. Travel west on CTH XX 1.5 miles to Louis Corners Road. Turn South on Louis Corners Road and follow approximately 1 mile. Boat Landing Located to the North.
About Cedar Lake
- Condition: Excellent/Mesotrophic read more
- Features: Road and launch area are blacktopped. 1-acre parking lot across Rockville Road, southwest of the access. Fishing area, port-a-pier, toilet building. No lighting, no potable water.
- Boat Ramp: 2 launch lanes, concrete ramp, 11% slope, > 3 ft launch depth, boarding dock.
- Launch Fee: The daily fee is $5 and the seasonal fee is $20.
- ADA Accessibility Features: Accessible parking at launch site. Steep slope to water’s edge is not ADA accessible.
- Restrictions: Motor boats are allowed. Slow no wake except Sundays 11-2 and Mon-Sat 11-6. See signs posted at lake for current restrictions. Counterclockwise boating. No power loading. Littering, Noise Levels, Swimming, and Water Skiing Restrictions. Lake levels have been high. It is hopeful that boaters will fast boat near the center of the lake. Wave action adds to sediment suspension and erosion — please fast boat as far away from the shores as safe and practical. Town of Schleswig ordinance | Wisconsin boating handbook
- Manitowoc County Map and Photos: http://www.co.manitowoc.wi.us/departments/parks/lake-access/cedar-lake/
- Notes: This is the largest inland lake in Manitowoc County.
- Lake Associations:
Cedar Lake Improvement Association: Josh Knuth, President
Town of Schleswig Sanitary District 1: Website
- Surface Area: 136 acres
- Depth: Max 21′, Mean 9′
- Bottom: 10% sand, 45% gravel, 0% rock, 45% muck
- Shorelength: 3.6 mi
- Lake Type: Shallow Seepage. Shallow Seepage lakes do not stratify, or form separate layers of water, during the summer months and have no inlet or outlet.
- Lat/Long: 43°55’31.5″N / 87°56’19.3″W
Aquatic Invasive Species Threats
- Verified: Banded Mystery Snail (2008), Curly-Leaf Pondweed (1993*), Eurasian Water-Milfoil (1993), Zebra Mussel (2001).
- Observed/Not Verified: Chinese Mystery Snail (2011), Rusty Crayfish (2010), Yellow Iris (2014).
*Lake residents and sportsmen report that no curly leaf pondweed has ever been reported on Cedar Lake since the 1993 sighting.
- Fish present: Northern pike, black crappie, and bluegill common. Yellow perch, walleye and largemouth bass present.
- View Cedar Lake fishing regulations on DNR website
- Open All Year
- Panfish: Daily bag limit 25. No min length.
- Catfish: Daily bag limit 10. No min length.
- Open 5/2/2020-3/7/2021:
- 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.
Stocking and DNR Surveys
|Summary of DNR Species Sampling (2016)|
|species||number||length (ave.)||number||length (ave.)|
|Northern Pike||160||8.9-28.4″ (18.9″)||8||14.8-25.7″ (20.8″)|
|Largemouth Bass||10||10.6-17.9″ (14.8″)||62||9.3-19.3″ (13.8″)|
|Black Crappie||196||5.6-14.4″ (8.5″)||3||8.1-8.8″ (8.5″)|
|Bluegill||125||4.1-8.6″ (6.3″)||198||2.9-8.6″ (6″)|
|Pumpkinseed Sunfish||23||4-10.1″ (6.4″)||14||5-8.4″ (6.7″)|
|Green Sunfish||9||4.1-8.6″ (6.2″)||12||4.4-7.7″ (6.7″)|
|Rock Bass||6||7.6-9.3″ (8.5″)||–||–|
|Hybrid Sunfish||4||13||5-7.8″ (6.4″)|
|Yellow Perch||2||6.0-7.8″ (6.9″)||–||–|
|Yellow Bullhead||301||9.5-12.4″ (11.1″)||17||11.2-12.2″ (11.7″)|
|Brown Bullhead||57||5.9-13.1″ (10.3″)||3||7.8-12.2″ (10.1″)|
DNR 2016 report conclusions
- Gamefish populations in Cedar Lake appear to be doing well. The 14” size limit for Largemouth Bass has helped the population. Previous surveys indicated an improvement in Northern Pike but results from 2016 survey were mixed. Walleye do not appear to survive well in Cedar Lake.
- Panfish size and growth have improved over results from past surveys.
- Forage fish numbers appear to be low—could lead to growth problems for gamefish.
- Carp and bullhead are present but are causing few problems.
Fish Stocking Data Source
- 2,000 5-6″ perch in mid-March 2013
- 2,000 6″ walleyes in December 2014
Condition: EXCELLENT (2019) SE Bay Data / Source
- 5-Year Average Trophic State: 42/Mesotrophic
- Secchi Disk: Average summer reading 11.6 ft. (SE Georegion average 7.1 ft.) Summer (July/Aug) water was reported as CLEAR and GREEN. Green normally suggests a lake impacted by algae. However, since recent summer chlorophyll readings average less than 9 ug/l, this lake may have been impacted by another factor, such as suspended marl.
Average summer Chlorophyll 3 µg/l (SE Georegion average 32.8 µg/l).
Average summer Total Phosphorus 12.5 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): 43/Mesotrophic. What does this mean?
Mesotrophic lakes contain moderate amounts of nutrients, and contain healthy, diverse populations of aquatic plants, algae, and fish. Occasional algae blooms may occur. If the lake is deep enough to stratify, the hypolimnion often becomes low in oxygen by the end of summer, and may result in some phosphorus release from the sediments. Mesotrophic lakes are characterized by moderately clear water, but have an increasing chance of low dissolved oxygen in deep water during the summer.