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Diamond Lake

General Information

County: Poweshiek
Location: 1 mile West of Montezuma
Acres: 98.00
Maximum Depth: 22 ft. (1976)
Motoring Restrictions: Electric Motors Only

Amenities

Amenities at Diamond Lake include:
  • Boat Access
  • Fishing Jetty
  • Picnic Area
  • Trails
  • Accessible Facilities
  • Playground
  • Restrooms
  • Camping
  • Good/Excellent Shorefishing
  • Hard Surface Boat Ramp

Fishing Report

For more information, contact the Lake Macbride Fisheries Station at 319-624-3615.
Remember, no minnows are allowed here.
Bluegill - Fair: Fish around the jetties or stake beds and brush piles.
Channel Catfish - Fair:
Crappie - Good: Fish around the jetties or stake beds and brush piles. Most fish are about 9".

Fishing Forecast


Lake Maps

Download Printable Lake Map

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

Popular Fish Species at this Lake

Fish Stocking

  • 09/14/2012 - 2,744 Channel Catfish (8.3")
  • 05/10/2012 - 1,016 Northern Pike (3.0")
  • 05/19/2011 - 1,559 Northern Pike (2.8")
  • 05/13/2010 - 7,171 Channel Catfish (5.0")
  • 05/05/2010 - 1,051 Northern Pike (2.5")
  • 05/08/2009 - 1,000 Northern Pike (3.0")
  • 04/09/2009 - 26 Grass carp (10")
  • 10/21/2008 - 50 Grass carp (8.0")
  • 06/05/2008 - 7,000 Channel Catfish (5.2")
  • 05/08/2008 - 1,126 Northern Pike (2.3")
  • 06/01/2007 - 560 Northern Pike (4.7")
  • 05/30/2007 - 3,500 Channel Catfish (5.5")
  • 05/22/2006 - 7,000 Channel Catfish (Cage)
  • 04/11/2006 - 1,020 Northern Pike (2.0")
  • 07/07/2005 - 7,002 Channel Catfish (Cage)
  • 04/06/2005 - 1,000 Northern Pike (2.1")
  • 05/26/2004 - 7,002 Channel Catfish (Cage)
  • 05/13/2004 - 504 Northern Pike (2.1")
  • 04/03/2004 - 200 Grass carp (10"-1)

Regulations

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:
  • 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:
  • 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.
  • 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:
  • 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 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
  • Yellow Bass
    • Season: Continuous
    • Daily Bag Limit: none
    • Possession Limit: unlimited
    • Length Limit: none
    • Other:

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.

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