Three Mile Lake

General Information

County: Union
Location: 3 miles northwest of Afton
Acres: 880.00
Maximum Depth: 56.3 ft. (2007 - Data collected as part of the statewide lake mapping program.)
Motoring Restrictions: Inboards & personal watercrafts are prohibited

Nearby Parks

Green Valley State Park

Amenities

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

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

  • 10/25/2012 - 7,508 Walleye (8.2")
  • 06/20/2012 - 8,039 Wiper (Hybrid Striped Bass) (2.0")
  • 05/01/2012 - 880 Muskellunge (12.6")
  • 10/13/2011 - 6,802 Walleye (8.3")
  • 08/29/2011 - 8,800 Channel Catfish (8.7")
  • 06/22/2011 - 8,786 Wiper (Hybrid Striped Bass) (1.8")
  • 10/25/2010 - 5,303 Walleye (10.0")
  • 06/23/2010 - 8,000 Wiper (Hybrid Striped Bass) (3")
  • 05/11/2010 - 972 Muskellunge (12.7")
  • 10/15/2009 - 3,948 Walleye (9.3")
  • 09/16/2009 - 6,167 Channel Catfish (7.8")
  • 06/19/2009 - 4,500 Wiper (Hybrid Striped Bass) (2.5")
  • 10/09/2008 - 8,360 Walleye (9.2")
  • 06/18/2008 - 5,000 Wiper (Hybrid Striped Bass) (1.8")
  • 05/20/2008 - 1,346 Muskellunge (13.5")
  • 10/24/2007 - 7,911 Walleye (9.8")
  • 09/13/2007 - 5,128 Channel Catfish (7.5")
  • 06/18/2007 - 3,832 Wiper (Hybrid Striped Bass) (2"-3")
  • 06/13/2007 - 32,000 Largemouth Bass (1.3")
  • 06/12/2007 - 6,229 Channel Catfish (8.0")
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:
  • 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, 8 fish
    • Possession Limit: combined: channel, blue and flathead catfish, 30 fish
    • Length Limit: none
    • Other:
  • 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: 15-inch minimum
    • Other:
  • Muskellunge
    • Season: Continuous
    • Daily Bag Limit: combined: muskellunge and tiger muskellunge, 1 fish
    • Possession Limit: combined: muskellunge and tiger muskellunge, 1 fish
    • Length Limit: 40-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:
  • Yellow Perch
    • Season: Continuous
    • Daily Bag Limit: 25 fish
    • Possession Limit: 50 fish
    • Length Limit: none
    • Other:
Largemouth bass were sampled in low abundance with bass sampled up to 19 inches. Walleye were sampled in low abundance. Bluegill were sampled in moderate abundance with few exceeding 8 inches. Crappie were sampled in low to moderate abundance with most sampled 7 to 9.5 inches in length. Yellow bass were sampled in very high abundance with most below 8 inches in length. Channel catfish were sampled in high abundance with most catfish ranging between 14 and 22 inches.(2015)

Contacts

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.