Harpt Lake

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Harpt Lake News

    Get Your License and Go Wild!

    Anglers are reminded that the new license year began April 1 for waters or species with a continuous open season. Licenses and stamps for the 2017 year are on sale now through GoWild.Wi.Gov. Fees for the 2017 license year remain the same as last year.

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    Special Panfish Regulations on Five Area Lakes

    March 26, 2016 – Five Lakes in Manitowoc County have been selected by the DNR for special regulations on panfish to be effective beginning April 1, 2016. Those lakes are Bullhead, Long, Pigeon, English and Harpt Lake.  A total of 94 lakes across the state were identified by biologists and anglers as underperforming - that is the mean length of bluegill and crappie is less than desirable but growth potential is good. The goal is to determine the best regulation that will increase the average size of bluegill and crappie on the selected lakes. Ultimately, a single regulation will be chosen and used to address similar lakes not meeting Panfish management goals. The effectiveness of each regulation will be evaluated in 2021.

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Harpt Lake, April 2015
Harpt 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: North Lake Road, Town of Gibson. Take Interstate 43 North from Manitowoc to STH 147, East on STH 147 approximately 3 miles to Harpt Lake Road. North on Harpt Lake Road 1.75 miles to North Lake Road. West .2 miles to landing.

Accessibility: 44.29593080, -87.73401710

Surface Area: 31.4 acres

Shorelength: unknown

Depth: Max 54′, Mean 20′

Bottom: 5% sand, 20% gravel, 5% rock, 70% 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: Gas and electric motors are allowed. Entire lake is “slow no-wake.”  Read the Wisconsin handbook

Recreational Features: Parking for 4 car/trailer units is provided at the public access to this 31 acre lake, which includes a boat launch and fishing pier. An additional boat launch ramp, fishing piers and swimming beach are located on the east side of the lake at the Larrabee Sportsman’s Club.

Nearby establishments: Larrabee Sportsman’s Club.

Manitowoc County Map and Photos: http://www.co.manitowoc.wi.us/departments/i-p/parks/lake-access/harpt-lake/


Aquatic Invasive Species Threats:

Verified: Eurasian Water-Milfoil (1994). Observed: Curly-Leaf Pondweed (2014), Purple Loosestrife (2014), Rusty Crayfish (2014).


Fishing Regulations:

  • Fish present: Large walleye, large mouth bass and black crappie. Northern pike, perch, bluegill and rock bass populations are also found here.
  • Management: unknown.
  • View complete Harpts Lake regulations at DNR
  • Open All Year 
    • Panfish: 25/10 Year-Round (as of 4/1/2016). 25 panfish may be kept, but no more than 10 of any one species (all year). No minimum length limit.
      Panfish fact sheet
    • Catfish: Bag limit 10. No min length.
  • Open 5/6/2017-3/4/2018:
    • Largemouth/smallmouth bass: 14″ Limit 5.
    • Northern: No length limit, bag limit 5.
    • 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 Report: Most recent report 2012

DNR Fish Stocking Data
Year Species Strain Age Class Number Stocked Average Length (inches)
2015 WALLEYE LAKE MICHIGAN SMALL FINGERLING 1,349 1.70″
2013 WALLEYE MISSISSIPPI HEADWATERS SMALL FINGERLING 1,074 2.00″
2011 WALLEYE LAKE MICHIGAN SMALL FINGERLING 1,192 1.90″
2009 WALLEYE LAKE MICHIGAN SMALL FINGERLING 0 1.80″
2005 WALLEYE LAKE MICHIGAN SMALL FINGERLING 1,525 1.40″
View more history


Condition: FAIR

  • 5-Year Average Trophic State: 53/Eutrophic (Source: Wisconsin DNR)
  • Secchi Disk (2014): No data available for 2015 or 2016. The average summer reading in 2014 = 8 ft. Southeast Georegion average in 2014 = 6.6 ft.
  • Chemistry (2016): The average summer Chlorophyll was 7.2 µg/l (compared to a Southeast Georegion summer average of 23.5 µg/l). The summer total Phosphorus average was 31.5 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) (2016): 50/Mesotrophic. What does this mean?
    Mesotrophic lakes are characterized by moderately clear water, but have a increasing chance of low dissolved oxygen in deep water during the summer. 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.

View this graph on the DNR website


Condition information is based on Wisconsin DNR data from volunteer readings taken on 4 different days in March-Aug 2016; Harpt Lake – Deep Hole.


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:

Updated: April 25, 2017 — 10:51 pm

1 Comment

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  1. Looks like someone loves their lake!

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