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Blue Pit

General Information

County: Cerro Gordo
Location: southwest edge of Mason City
Acres: 15.00
Maximum Depth: 34 ft. (1992)
Motoring Restrictions: Electric Motors Only


Amenities at Blue Pit include:
  • Boat Access
  • Accessible Pier
  • Beach
  • Trails
  • Accessible Facilities
  • Good/Excellent Shorefishing
  • Gravel Boat Ramp

Fishing Report

For lake updates and fishing information in the north central area contact the Clear Lake Fish and Wildlife office at 641-357-3517.
Rainbow Trout - Good: 1,500 rainbows were stocked.
An urban trout stocking took place at Blue Pit in Mason City (S Pierce Avenue) on Nov. 26. Anglers are reminded to have a 2014 fishing license (age 16 and older) and trout stamp. With the warmer weather and rain, there should be some open water to fish.

Fishing Forecast

Trout were stocked in January and can be caught this winter and early spring.(2013)

Lake Maps

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

Popular Fish Species at this Lake

Fish Stocking

  • Winter 2013 - 4,000 Rainbow Trout (2-3/l)
  • winter 2012 - 3,000 Rainbow Trout (2-3/l)
  • winter 2011 - 2,900 Rainbow Trout (2-3/l)
  • winter 2010 - 2,900 Rainbow Trout (2-3/l)
  • 09/08/2010 - 216 Channel Catfish (9.4")
  • winter 2009 - 6,000 Rainbow Trout (2-3/l)
  • winter 2008 - 6,267 Rainbow Trout (2-3/l)
  • 09/10/2008 - 270 Channel Catfish (7.4")
  • winter 2007 - 7,035 Rainbow Trout (2-3/l)
  • winter 2006 - 3,002 Rainbow Trout (2-3/l)
  • 09/07/2006 - 336 Channel Catfish (6.8")
  • winter 2005 - 4,508 Rainbow Trout (2-3/l)
  • 09/20/2005 - 420 Channel Catfish (6.7")
  • winter 2004 - 6,000 Rainbow Trout (2-3/l)
  • 07/14/2004 - 420 Channel Catfish (7")


The Fishing Regulations brochure is available for download. The summaries listed below are a partial listing provided for your benefit.

  • Bluegill
    • Season: Continuous
    • Daily Bag Limit: 25 fish
    • Possession Limit: unlimited
    • Length Limit: none
    • Other: No daily limit on private waters
  • 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:
  • Rainbow Trout
    • Season: Continuous
    • Daily Bag Limit: combined trout (brook, brown, and rainbow) - 5 fish
    • Possession Limit: combined trout (brook, brown, and rainbow) - 10 fish
    • Length Limit: none
    • Other: Anglers must have paid the Trout Fee to fish for or possess trout

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.