Split Rock Lake

General Information

County: Chickasaw
Location: Located 4 miles south and 1.5 miles west of Fredericksburg at 3090 Pembroke Ave.
Acres: 10.00
Maximum Depth: 12 ft. (2004 - Information from Chickasaw County Conservation Board.)
Motoring Restrictions: Electric motor only

Nearby Parks


Amenities at Split Rock Lake include:
  • Fishing Jetty
  • Picnic Area
  • Beach
  • Trails
  • Accessible Facilities
  • Playground
  • Restrooms
  • Camping
  • Good/Excellent Shorefishing
  • Hard Surface Boat Ramp
No recent updates

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

  • 10/02/2014 - 7,000 Bluegill (2")
  • 09/30/2013 - 133 Channel Catfish (9.0")
  • 09/13/2011 - 117 Channel Catfish (8.6")
The Fishing Regulations brochure is available for download. The summaries listed below are a partial listing provided for your benefit.

  • 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:
  • Largemouth Bass
    • Season: Continuous
    • Daily Bag Limit: combined black bass, 3 fish
    • Possession Limit: combined black bass, 6 fish
    • Length Limit: 15-inch minimum
    • Other:
Split Rock Lake experienced a complete fish kill in 2014 due to a combination of extended ice cover and aerator failure. It was stocked with 7000 inch bluegill in the fall of 2014 and 700 two inch channel catfish and 490 two inch largemouth bass spring of 2015. See more at http://www.mycountyparks.com/county/Chickasaw/Park/Split-Rock-Park.aspx. (2016)


Fish Surveys

Lake Fish Survey Data Data from the most recent fisheries survey of this lake is provided on this external web site. This data may include information from various netting surveys and/or electroshocking surveys. Data includes numbers of fish sampled, and fish size ranges. Not all lakes are sampled every year.

Lake Mini-report

Lake Reports Summary report information about selected (~130) lakes regarding water quality, upstream land use, usage, economic value and more. Reports are customizable by the user to include only that information which the user desires to include.

Water Quality

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.