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Green Valley Lake

General Information

County: Union
Location: 2 1/2 miles northwest of Creston
Acres: 338.00
Maximum Depth: 26.5 ft. (2014)
Motoring Restrictions: No motor restriction at no wake speed except for ski area

Nearby Parks

Green Valley State Park

Amenities

Amenities at Green Valley Lake include:
  • Boat Access
  • Fishing Jetty
  • Accessible Pier
  • Boat Rental
  • Picnic Area
  • Beach
  • Trails
  • Accessible Facilities
  • Playground
  • Restrooms
  • Camping
  • Good/Excellent Shorefishing
  • Hard Surface Boat Ramp
  • Fish Cleaning Station

Water temperatures in most Mount Ayr district lakes are in the low 50's. For more information, please contact the Mount Ayr Fisheries office at 641-464-3108.
Largemouth Bass - Slow: Use finesse plastics fished near cedar tree brushpiles for Largemouth Bass up to 19 inches.

Lake Maps

Download Printable Lake Map
Download Printable Fishing Structures Map

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

  • 09/23/2021 - 2,030 Channel Catfish (9.4)
  • fall 2019 - 2,581 Channel Catfish (9.4)
  • 04/30/2019 - 1,014,000 Walleye (Fry)
  • 05/08/2018 - 1,014,000 Walleye (Fry)
  • 9/27/2017 - 640 Channel Catfish (9.3")
  • 9/26/2017 - 884 Channel Catfish (9.3")
  • 9/14/2017 - 1,678 Channel Catfish (9.3")
  • 4/22/2017 - 1,905,000 Walleye (fry)
  • 09/16/2015 - 1,912 Channel Catfish (8")

  • Curlyleaf Pondweed

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:
  • 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: 18-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

Spring electrofishing indicated a moderate density of Largemouth Bass up to 20 inches. There are good numbers of Bluegill in the 6-8 inch length range and Crappie in the 8-10 inch length range.(2024)

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.