North Twin Lake

General Information

County: Calhoun
Location: 4 miles north of Rockwell City
Acres: 453.00
Maximum Depth: 12 ft. (2009 - Data collected as part of the statewide lake mapping program.)
Motoring Restrictions: none

Nearby Parks

Twin Lakes State Park

Amenities

Amenities at North Twin Lake include:
  • Boat Access
  • Picnic Area
  • Beach
  • Trails
  • Restrooms
  • Camping
  • Hard Surface Boat Ramp
For more information, contact the Black Hawk District office at 712-657-2638.
Walleye - Fair: Try live bait or crankbaits in areas where walleye congregate to feed on baitfish near vegetation lines and inlets.
water temperature is in the mid 70's.
Download Printable Lake Map

You can zoom in on the map for bathymetric information for some lakes

  • 10/19/2018 - 3,458 Walleye (5.1)
  • 10/01/2018 - 2,268 Channel Catfish (8.2)
  • 07/11/2018 - 4,563 Walleye (2.8)
  • 05/14/2018 - 1,366,295 Walleye (Fry)
  • 5/2/2017 - 1,400,000 Walleye (fry)
  • 11/6/2017 - 1,330 Walleye (9.3")
  • 11/6/2017 - 3,204 Walleye (9.3")
  • 4/29/16 - 1,400,000 Walleye (Fry)
  • 10/5/16 - 4,542 Walleye (4.5")
  • 10/14/2015 - 4,555 Walleye (6")
  • 06/30/2015 - 11,071 Walleye (2.4")
  • 09/25/2014 - 4,709 Walleye (6")
  • 09/10/2014 - 1,352 Channel Catfish (8")
  • 07/17/2014 - 11,298 Walleye (2-3")
  • 10/03/2013 - 8,010 Walleye (3.3")
  • 06/11/2013 - 11,351 Walleye (1.7")
  • 05/30/2013 - 10,113 Northern Pike (2.8")
  • 09/17/2012 - 1,350 Channel Catfish (8.6")
  • 06/25/2012 - 11,230 Walleye (2.6")
  • 05/07/2012 - 5,321 Northern Pike (2.7")
  • 09/23/2011 - 8,080 Walleye (4.0")
  • 06/23/2011 - 13,094 Walleye (2.5")
  • 05/17/2011 - 5,039 Northern Pike (2.7")
  • 09/28/2010 - 8,032 Walleye (5.0")
  • 09/15/2010 - 2,160 Channel Catfish (8.9")
  • 06/25/2010 - 11,032 Walleye (2.0")
  • 05/19/2010 - 5,016 Northern Pike (2.5")
  • 09/29/2009 - 10,024 Walleye (4.4")
  • 05/12/2009 - 5,031 Northern Pike (2.9")
The Fishing Regulations brochure is available for download. The summaries listed below are a partial listing provided for your benefit.

  • Bigmouth Buffalo
    • Season: Continuous
    • Daily Bag Limit: none
    • Possession Limit: unlimited
    • Length Limit: none
    • Other:
  • Black Bullhead
    • Season: Continuous
    • Daily Bag Limit: unlimited
    • Possession Limit: unlimited
    • Length Limit: none
    • Other:
  • Black Crappie
    • Season: Continuous
    • Daily Bag Limit: combined black and white crappie, 25 fish
    • Possession Limit: unlimited
    • Length Limit: none
    • Other: No daily limit on private waters
  • Bluegill
    • Season: Continuous
    • Daily Bag Limit: 25 fish
    • Possession Limit: unlimited
    • Length Limit: none
    • Other: No daily limit on private waters
  • Channel Catfish
    • Season: Continuous
    • Daily Bag Limit: combined: channel, blue and flathead catfish, 8 fish
    • Possession Limit: combined: channel, blue and flathead catfish, 30 fish
    • Length Limit: none
    • Other: Except for border lakes
  • Common Carp
    • Season: Continuous
    • Daily Bag Limit: none
    • Possession Limit: unlimited
    • Length Limit: none
    • Other: May be taken by hand fishing, by snagging, by spear or by bow and arrow, day or night.
  • Freshwater Drum
    • Season: Continuous
    • Daily Bag Limit: none
    • Possession Limit: unlimited
    • Length Limit: none
    • Other: May be taken by hand fishing, by snagging, by spear or by bow and arrow, day or night.
  • Walleye
    • Season: Continuous
    • Daily Bag Limit: combined walleye, sauger and saugeye; 5 fish
    • Possession Limit: combined walleye, sauger and saugeye; 10 fish
    • Length Limit: none
    • Other:
  • Yellow Bass
    • Season: Continuous
    • Daily Bag Limit: none
    • Possession Limit: unlimited
    • Length Limit: none
    • Other:
North twin has historically been dominated by rough fish, including bigmouth buffalo and common carp. 140,000 pounds of buffalo were removed in the spring of 2019 and the water clarity had improved some. If the water clarity improvement is maintained anglers can expect to see better bluegill, crappie, and bass fishing in the coming years. North Twin has a decent walleye population. The densities are not as high relative to other natural lakes in the region, but the fish are large and many of the fish range from 22 to 27 inches. The channel catfish population is strong and there are many fish from 2 to 5 pounds in the lake. Hybrid striped bass, northern pike, and largemouth bass were stocked following the buffalo removal, but it will take several years for these fish to recruit to the creel. Walleye and catfish are stocked on a regular basis. The yellow bass numbers have declined substantially, but their size has improved slightly.(2020)

Contacts

Iowa-Caught Fish Are Safe to Eat, In Almost All Cases

The vast majority of Iowa’s streams, rivers and lakes offer safe and high-quality fish that pose little or no threat to human health if consumed. Some limitations may apply for young children and pregnant women. Here’s a Fish Consumption Fact Sheet from the Iowa DNR and the Iowa Dept. of Public Health for more information. Here is a list of current fish consumption advisories for Iowa lakes and rivers.