Harrisons Bay
Harrisons Bay
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    • CONSERVATION
      • Our Initiatives
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      • Invasive Weeds
      • Water Quality
      • SOAK IT UP
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      • Lakefront Buffers
      • Keep-it-on-property
      • Lawns-for-Lakes
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  • HOME
  • ABOUT US
  • JOIN-DONATE
  • CONSERVATION
    • Our Initiatives
    • Carp
    • Invasive Weeds
    • Water Quality
    • SOAK IT UP
  • SOAK IT UP
    • Lakefront Buffers
    • Keep-it-on-property
    • Lawns-for-Lakes
    • Rain Gardens
    • Choosing-Plants
    • Rain Barrels
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CARP ASSESSMENT & MANAGEMENT

The Impact of Carp

The common carp is one of the most damaging aquatic invasive species due to its wide distribution and severe impacts in shallow lakes and wetlands. Carp feeding disrupts shallowly rooted plants muddying the water. They release phosphorus that increases algae abundance.  Carp-induced declines in water quality also cause declines of aquatic plants needed by waterfowl and fish.


COMMON CARP FACTS

  • Weigh up to 80 pounds
  • Grow to 5 feet in length
  • Live an average of 20 years in the wild
  • Congregate in large numbers while spawning
  • Female carp can produce hundreds of thousands of eggs during the breeding season

Support Us

Money is being raised to do the assessment of the current carp population so we can enlist the experts to build a management plan and apply for grants through our local and state government.  

DONATE

Do we have a problem?

Research by the University of Minnesota Aquatic Invasive Species Research Center has determined that a healthy lake ecosystem will have 100 pounds of carp or less.  So the question is do we have a problem?  


We've asked the Minnehaha Creek Watershed District (MCWD) what projects are being done on Harrisons Bay (which is considered part of the West Arm body of water) to improve its water quality.  Right now there are no projects in the works for the Painter's Creek sub watershed which is what feeds into Jennings Bay and ultimately provides inflow to Harrisons.  According to Mr. Wisker, addressing inflow issues from Painters Creek is on the watershed


According to James Wisker, executive director of MCWD, addressing water quality usually follows the following steps:


  1. Address upflow run-off issues into the creek through projects within the Painters Creek sub watershed
  2. Determine if there are issues with the carp population and manage the population to a healthy level
  3. Alum treatments to bind the phosphorus within the bay sediment


For more information and studies, please visit: https://maisrc.umn.edu/common-carp

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HARRISONS BAY ASSOCIATION

PO BOX 464 MOUND, MN 55364

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