Iowa River (Marshalltown to Coralville Lake)

General Information

County: Iowa
Location: This stretch is located in Marshall, Tama, the SW corner of Benton, Iowa, and Johnson County. A popular access is at the Hwy 21 Access, which is part of the Iowa River Corridor Wildlife Area, just south of Belle Plaine.
Acres: 104.00
Maximum Depth:
Motoring Restrictions:

Nearby Parks

Lake Macbride State Park

Amenities

Amenities at Iowa River (Marshalltown to Coralville Lake) include:
  • Boat Access
  • Picnic Area
  • Beach
  • Trails
  • Playground
  • Restrooms
  • Camping
  • Gravel Boat Ramp
  • Hard Surface Boat Ramp
  • Carry Down Boat Launch
  • Accessible Shoreline
No recent updates

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

  • 06/02/2015 - 7,674 Walleye (2")
  • 05/28/2015 - 76,380 Walleye (2")
  • 06/05/2014 - 94,230 Walleye (2")
  • 06/04/2014 - 10,404 Northern Pike (2-3")
  • 05/28/2013 - 10,416 Northern Pike (2.7")
  • 05/24/2013 - 12,675 Walleye (1.3")
  • 07/03/2012 - 3,248 Walleye (4.0")
  • 05/25/2012 - 15,534 Walleye (1.7")
  • 05/10/2012 - 5,085 Northern Pike (3.0")
  • 06/01/2011 - 30,000 Walleye (1.5")
  • 05/19/2011 - 5,065 Northern Pike (2.8")
  • 05/19/2011 - 5,066 Northern Pike (2.8")
  • 05/26/2010 - 35,700 Walleye (1.4")
  • 05/05/2010 - 5,051 Northern Pike (2.5")
  • 05/05/2010 - 5,054 Northern Pike (2.5")
  • 05/27/2009 - 31,620 Walleye (1.5")
  • 05/08/2009 - 3,850 Northern Pike (3.0")
  • 05/08/2009 - 5,000 Northern Pike (3.0")
  • 06/06/2008 - 42,900 Walleye (1.4")
  • 05/08/2008 - 5,019 Northern Pike (2.4")
  • 05/08/2008 - 5,020 Northern Pike (2.4")
  • 06/07/2007 - 35,000 Walleye (1.6")
  • 06/07/2007 - 40,000 Walleye (1.6")
  • 06/01/2007 - 2,800 Northern Pike (4.7")
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:
  • Bluegill
    • Season: Continuous
    • Daily Bag Limit: 25 fish
    • Possession Limit: unlimited
    • Length Limit: none
    • Other:
  • Channel Catfish
    • Season: Continuous
    • Daily Bag Limit: combined: channel, blue and flathead catfish, 15 fish
    • Possession Limit: combined: channel, blue and flathead catfish, 30 fish
    • Length Limit: none
    • Other:
  • 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.
  • Flathead Catfish
    • Season: Continuous
    • Daily Bag Limit: combined: channel, blue and flathead catfish, 15 fish
    • Possession Limit: combined: channel, blue and flathead catfish, 30 fish
    • Length Limit: none
    • Other:
  • 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.
  • Green Sunfish
    • Season: Continuous
    • Daily Bag Limit: none
    • Possession Limit: unlimited
    • 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: 12-inch minimum
    • Other:
  • Northern Pike
    • Season: Continuous
    • Daily Bag Limit: 3 fish
    • Possession Limit: 6 fish
    • Length Limit: none
    • Other:
  • Quillback
    • 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.
  • Smallmouth Bass
    • Season: Continuous
    • Daily Bag Limit: combined black bass, 3 fish
    • Possession Limit: combined black bass, 6 fish
    • Length Limit: 12-inch minimum
    • Other:
  • Smallmouth Buffalo
    • Season: Continuous
    • Daily Bag Limit: none
    • Possession Limit: unlimited
    • Length Limit: none
    • Other:
  • Spotted bass
    • Season: Continuous
    • Daily Bag Limit: combined black bass, 3 fish
    • Possession Limit: combined black bass, 6 fish
    • Length Limit: 12-inch minimum
    • Other:
  • 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:
  • White Bass
    • Season: Continuous
    • Daily Bag Limit: none
    • Possession Limit: unlimited
    • Length Limit: none
    • Other:
  • White Crappie
    • Season: Continuous
    • Daily Bag Limit: combined black and white crappie, 25 fish
    • Possession Limit: unlimited
    • Length Limit: none
    • Other:
  • White Sucker
    • 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.
  • Yellow Bullhead
    • Season: Continuous
    • Daily Bag Limit: unlimited
    • Possession Limit: unlimited
    • Length Limit: none
    • Other:
There are some different fishing opportunities in this long stretch of river, depending on where you choose. The upper end, especially near Marshalltown, can provide some good walleye fishing. The lower end, especially just above Coralville Lake, can provide some good catfishing. Almost the entire stretch contains walleye, northern pike, smallmouth bass, flathead catfish, and channel catfish.(2016)

Contacts

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.