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Bullhead 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 Rockland. Take County Highway JJ West from Manitowoc, through the un-incorporated area of Collins. Continue West on County Highway JJ approximately 3 miles. Driveway on the East side of the road.
Accessibility: 44° 6′ 9.46″ N / 88° 2’25.31″ W
Surface Area: 70 acres
Shorelength: 1.3 mi
Depth: Max 40′, Mean 13′
Bottom: 10% sand, 50% 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: 5 mph max, no wake, see posted and read the Wisconsin handbook
Recreational Features: Parking for 30 car/trailer units. Concrete ramp, port-a-pier and toilet building. Restrictions on motorboats and water skiing are posted.
Manitowoc County Map and Photos: http://www.co.manitowoc.wi.us/departments/i-p/parks/lake-access/bullhead-lake/
Notes: One of the best fish populations in Manitowoc County. The positive effect of shoreland zoning is evident as one travels by boat.
Aquatic Invasive Species Threats:
Banded Mystery Snail (2009), Curly-Leaf Pondweed (2003), Eurasian Water-Milfoil (2005), Giant hogweed (2009).
- New! Read the 2017 Bullhead Lake Report by Steve Hogler, Steve Surendonk and Derek Apps, WDNR Green Bay Fish Management
- Fish present: Nice size walleyes, bass, perch, crappies, bluegills. Musky present.
- Management: Muskie, bass, panfish.
- View complete Bullhead Lake regulations at DNR
- Open All Year
- Panfish: 15/5 Seasonal (as of 4/1/2016).
May 1–June 30: Daily bag limit is 15; only 5 of any one species.
July 1–April 30: Daily bag limit is 25.
No minimum length limit.
Panfish fact sheet
- Catfish: Bag limit 10. No min length.
- Panfish: 15/5 Seasonal (as of 4/1/2016).
- 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.
Bullhead has a reputation for being a “good bluegill lake.” You can catch 8- to 10-inchers in the shallows on jigs and waxies in summer and winter. The lake also has a fair population of stocked walleyes that tend to run on the large side. They can usually be caught on jig-and-minnow combinations near the deep weed line on the east shore and around the quick drop on the northwest.
—Kiel Bait & Gun, 1148 6th St., Kiel, WI 53014, (920) 894-3836.
DNR Fishing Survey: View the most recent report 2011
|DNR Fish Stocking Data|
|Year||Species||Strain||Age Class||Number Stocked||Average Length (inches)|
|2015||WALLEYE||LAKE MICHIGAN||SMALL FINGERLING||1,504||1.70|
|2013||WALLEYE||MISSISSIPPI HEADWATERS||SMALL FINGERLING||2,340||2.00|
|2011||WALLEYE||LAKE MICHIGAN||SMALL FINGERLING||2,570||1.90|
|View more history|
|DNR Species Summary (2011):
Number of fish caught for the following length categories (inches):
Survey Date: 06-01-2011/Gear: Electrofishing
- 5-Year Average Trophic State: 55/Eutrophic (Source: Wisconsin DNR)
- Secchi Disk (2016): Average summer reading = 6 ft. SE Georegion average = 6.8 ft.
Summer (July/Aug) water was reported as MURKY and BROWN. Suggests readings may have been mostly impacted by suspended sediments.
- Chemistry (2016): The average summer Chlorophyll was 16.3 µg/l (compared to a Southeast Georegion summer average of 23.5 µg/l). The summer total Phosphorus average was 35.8 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): 56/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.
Condition information is based on Wisconsin DNR data for July and August. Additional data is available based on 6 volunteer readings taken March-Aug 2016.