Learn about the DNR's COVID-19 response and how the current health emergency is impacting DNR facilities, services and events.

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

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

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)
Tip: Click the arrow in the lower right corner to view the Fish Survey Data tool in full-screen mode.

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.