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Gass Lake News
Click on the maps to enlarge. Bathymetric Map Courtesy of Wisconsin DNR. Watershed map courtesy of Manitowoc County Soil and Water Conservation Department. New! Zoom in even closer with this new interactive watershed mapping tool.
Accessibility: 44.05351650, -87.73057850
Surface area: 6.5 acres
Shorelength: .5 mi
Depth: Max 24′, Mean: 12′
Bottom: 0% sand, 5% gravel, 0% rock, 95% muck
Lake Type: Seepage
Restrictions: Use of motors, except electric motors, are prohibited. Read the Wisconsin handbook
Recreational Features: No shoreline development. The access road leading to the public boat launch facility and parking area are blacktopped. Parking barriers and a gate over the entrance road have been installed. This access has a combination fishing and launching port-a-pier with a small picnic area containing a table and grill. Parking space is available for 8 car/trailer units. The access is barricaded during the winter because of the steep access road.
A best bet in Manitowoc County for shore fishing for panfish! —The Wisconsin Fishing Report Spring 2017
Manitowoc County Map and Photos: http://www.co.manitowoc.wi.us/departments/i-p/parks/lake-access/gass-lake/
Aquatic Invasive Species Threats:
Verified: Curly-Leaf Pondweed (2016).
- Fish present: Best known for large mouth bass, but northern pike and panfish including bluegill, perch and crappies are also found here.
- Management: N/A.
- View complete Gass 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.
DNR Fishing Survey Report: N/A
DNR Species Survey: N/A
|DNR Fish Stocking Data|
|Year||Species||Strain||Age Class||Number Stocked||Average Length (inches)|
|2003||LARGEMOUTH BASS||UNSPECIFIED||SMALL FINGERLING||150||2.20|
|2002||LARGEMOUTH BASS||UNSPECIFIED||LARGE FINGERLING||88||5.00|
|2001||LARGEMOUTH BASS||UNSPECIFIED||LARGE FINGERLING||300||1.30|
|View more history|
- 2016 data not available for Gass Lake
- 5-Year Average Trophic State: unknown/Eutrophic (Source: Wisconsin DNR)
- Secchi Disk (2014): 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 (2015): 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) (2015): 55/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.