Hannen Lake

General Information

County: Benton
Location: 4 miles Southwest of Blairstown
Acres: 38.00
Maximum Depth: 22 ft. (2006 - Data collected as part of the statewide lake mapping program.)
Motoring Restrictions: Electric motors only

Nearby Parks

Amenities

Amenities at Hannen Lake include:
  • Boat Access
  • Fishing Jetty
  • Accessible Pier
  • Picnic Area
  • Beach
  • Trails
  • Accessible Facilities
  • Playground
  • Restrooms
  • Camping
  • Good/Excellent Shorefishing
  • Hard Surface Boat Ramp
  • Accessible Shoreline
No recent updates
Download Printable Lake Map

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

  • 10/21/16 - 15 Red shiner (Adult)
  • 10/21/16 - 1,900 Red shiner (Fingerling)
  • 10/10/16 - 685 Channel Catfish (9.3")
  • 09/18/2014 - 684 Channel Catfish (8")
  • 05/16/2012 - 2,524 Channel Catfish (6.2")
  • 05/17/2010 - 2,314 Channel Catfish (5.0")
  • 06/03/2008 - 2,280 Channel Catfish (5.7")
The Fishing Regulations brochure is available for download. The summaries listed below are a partial listing provided for your benefit.

  • 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:
  • 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:
Bluegill numbers are moderate with all sizes up to 8" available, although the majority of the fish sampled were 5-6". Crappie numbers are fair with most fish being 10-11". Largemouth bass numbers are good with many fish in the 13-18" size range.(2015)

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.