Diamond Lake
General Information
County: Poweshiek
Location: 1 mile West of Montezuma
Acres: 98.00
Maximum Depth: 19.8 ft. (2013)
Motoring Restrictions: Electric Motors Only
Nearby Parks
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
- Accessible Shoreline
| For more information, contact the Lake Macbride Fisheries Station at 319-624-3615. |
| All facilities are open. |
| Black Crappie - Good: Fish along the jetties and shallow brush as the fish are spawning. Most fish are 7-9". |
| Bluegill - Good: The fish are moving in to shallow pockets to spawn. |
- 09/13/2021 - 1,764 Channel Catfish (8.8)
- 10/01/2019 - 1,767 Channel Catfish (9.6)
- 09/26/2018 - 1,780 Channel Catfish (8.7)
- fall 2016 - 1,765 Channel Catfish (9.1")
- 09/16/2014 - 1,764 Channel Catfish (8")
No known aquatic invasive species have been found
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:
Good numbers of bluegill up to 8-inches. There are some redear sunfish here that are mostly 7- to 9-inches. Crappie numbers are good with two sizes represented most often; 6 1/2-inch fish and the 8- to 9-inch fish. Common carp are taking hold with large numbers of 14- to 20-inch fish. Channel catfish numbers are good with 12- to 19-inch fish most common. Largemouth bass numbers are fair with all sizes of bass up to 21-inches. (2015)
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.