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South Twin Lake

General Information

County: Calhoun
Location: 4 miles North of Rockwell City
Acres: 600.00
Maximum Depth: 5.4 ft. (2009)
Motoring Restrictions: none

Nearby Parks

Twin Lakes State Park


Amenities at South Twin Lake include:
  • Boat Access
  • Accessible Pier
  • Picnic Area
  • Accessible Facilities
  • Playground
  • Restrooms
  • Gravel Boat Ramp
No recent updates
Download Printable Lake Map

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

  • 04/07/2010 - 347,333 Northern Pike (Fry)
The Fishing Regulations brochure is available for download. The summaries listed below are a partial listing provided for your benefit.

  • Black Bullhead
    • Season: Continuous
    • Daily Bag Limit: unlimited
    • Possession Limit: unlimited
    • Length Limit: none
    • Other:
South Twin Lake is dominated by rough fish like common carp and bigmouth buffalo. There are very few sport fish and even fewer of quality size. South Twin is a good option for those that like to fish for bullhead. Bullheads are around 6 to 7 inches, but there are a lot of them.(2020)


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.