Long Lake

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Long Lake and Boot Lake, April 2015
Long Lake and Boot Lake, April 2015
by Ken & Karen Schuler, TrawlersMidwest.com
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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: Boot Lake Road, Town of Rockland. Take County Highway JJ West from Manitowoc, through the un-incorporated area of Collins. Continue West on County Highway JJ approximately 4.5 miles to Long Lake Road. Travel north 1.5 miles to Boot Lake Road. East on Boot Lake Road .5 miles to driveway.
Accessibility: 44°8’37.89″ N / 88° 2’0.81″ W

Surface Area: 127 acres

Shorelength: 3.4 mi

Depth: Max 38′

Bottom: 0% sand, 5% gravel, 0% rock, 95% 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 motor boats and waterskiing are posted at the access. Read the Wisconsin handbook

Recreational Features: Long Lake County Park occupies 4.5 acres on the northeast shore of this 117 acre lake. The park provides public access for boating and fishing and has been developed into an attractive picnic area. Facilities located here include a concrete boat launch ramp, pier, fishing pier, picnic tables, grills, playground equipment and a toilet building. A small open area is available for recreation activities.

Northern pike, large mouth bass, walleye, perch, white bass, bullhead, crappie, bluegill and pumpkinseed can be fished from shore or boat. Long Lake is also a popular spot for ice fishing.

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/county-parks/long-lake/


Aquatic Invasive Species Threats:

Verified: Curly-Leaf Pondweed (1988), Eurasian Water-Milfoil (2003), Purple Loosestrife (2011, 2013)


Fishing Regulations:

  • Fish present: Panfish, Largemouth Bass and Northern Pike
  • Management: Largemouth Bass, Panfish
  • View complete Long Lake DNR regulations
  • Open All Year:
    • Panfish: 15/5 Year-Round (as of 4/1/2016). 15 panfish may be kept, but no more than 5 of any one species. No minimum length.
      Panfish fact sheet
    • 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.

Fish Stocking:

DNR Fishing Survey: View most recent report 2011

DNR Fish Stocking Data
Year Species Strain Age Class Number Stocked Average Length (inches)
2015 NORTHERN PIKE MUD LAKE – MADISON CHAIN OF LAKES LARGE FINGERLING 831 8.90
2015 WALLEYE LAKE MICHIGAN SMALL FINGERLING 4,434 1.70
2013 NORTHERN PIKE MUD LAKE – MADISON CHAIN OF LAKES LARGE FINGERLING 792 8.30
2013 WALLEYE MISSISSIPPI HEADWATERS SMALL FINGERLING 4,195 2.00
2011 WALLEYE LAKE MICHIGAN SMALL FINGERLING 4,615 1.90
2009 WALLEYE LAKE MICHIGAN SMALL FINGERLING 4,185 1.80
View more history

 

DNR Species Summary (2011):
Number of fish caught for the following length categories (inches):
species 0-5 6-8 9-11 12-14 15-19 20-24 25-29 >29 Total
Black Crappie  33 9 1 43
Bluegill 185 167 352
Largemouth Bass 8 15 7 18 10  1 59
Northern Pike 1  1 2
Pumpkin Sunfish  6  2 8
Walleye 1 1
Yellow Perch 8 2 10

Survey Date: 06-02-2011/Gear: Electrofishing


Condition: POOR

  • 5-Year Average Trophic State: 69/Eutrophic (Source: Wisconsin DNR)
  • Secchi Disk (2016): Average summer reading = 1 ft. SE Georegion average = 6.8 ft.
    Summer (July/Aug) water was reported as MURKY and BROWN. Note that the Secchi disc hit bottom during 1 reading. This indicates that the water clarity was actually greater than the readings imply. Observations suggest that the secchi depth may have been mostly impacted by suspended sediments, tiny particles of soil or organic matter that are suspended in the water. Shallow lakes are often turbid because wind stirs up sediment from the bottom. High suspended sediments are often found in flowages and impoundments where precipitation runoff from the watershed transports solids via an incoming stream.
  • Chemistry (2016): The average summer Chlorophyll was 59.5 µg/l (compared to a Southeast Georegion summer average of 23.5 µg/l). The summer total Phosphorus average was 86.4 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): 66/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 blue-green algae become dominant and algal scums are possible, extensive plant overgrowth problems possible.

View this graph on the DNR website

Condition information is based on Wisconsin DNR data from volunteer and County readings taken at Deepest Point on 14 different days in Feb-Sept 2016. Additional readings for Deep Hole are available online.


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.  

Other documents of interest:

Long Lake Fisheries Survey (2007)

Updated: April 28, 2017 — 10:37 pm

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