New Grants Secured in Northeast Anoka County

This spring, long time Martin Lake residents Wally and Nancy Olson challenged the other members of their lake associations: donate $3,000 for lake water quality improvement and we'll match it. In just a few weeks $3,600 in donations poured in, including 21 households that donated $100 or more. Total funds raised was $6,600. This followed a similar challenge and response in 2020.

The funds will go into the lake association's Water Quality Fund. In the past, this money has been used for a variety of projects including rain gardens, stormwater ponds, carp management, and aquatic invasive species prevention. In nearly every case the lake association and its partners have used the funds as match for grants, multiplying their cash by 4x to 10x.

Some of the money raised by the Martin Lakers is being used as matching funds toward a new grant secured from the Anoka County Aquatic Invasive Species Prevention Program for radio tagging carp. Linwood, Typo, and Martin Lake are each receiving $3,000 for carp management from the AIS Prevention Program. The lakes are part of a chain of lakes with active carp management led by the Anoka Conservation District. Carp are being removed where they are abundant, and harmful to water quality and habitat.

Along with matching funds from the Martin Lakers, the grants were supported by $750 in matching funds from the Linwood Lake Improvement Association and Sunrise River Watershed Management Organization.

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Water Quality Improvements Constructed for Coon and Martin Lakes

One rain garden and two stormwater pond renovations were completed in November to treat stormwater before it reaches Martin and Coon Lakes. The projects will collectively treat 39 acres of residential development that previously were draining to the lakes with little or no treatment. They will keep 2,100 pounds of sediment and 5 pounds of phosphorus from reaching the lakes each year.

These waterbodies were priorities because both lakes are surrounded by homes and heavily used for recreation. Martin Lake is nearing the criteria for being removed from the State's list of impaired waters. Coon Lake has good water quality but is under pressure.

The rain garden was constructed in cooperation with a residential landowner along Hupp Street. Their property is a key location where drainage from 8 acres converged and entered a catch basin that piped stormwater to Coon Lake. Curb cuts on each side of the catch basin now intercept that water, allowing it to soak into the ground within the rain garden. Pollutant removal is estimated to increase by 52% compared to the pre-project condition. Mulching and planting of the gardens will be delayed until spring 2021 due to cold temperatures early in fall 2020. The property owners will maintain the garden.

The stormwater pond projects are redesigns and renovations of older ponds. Both ponds are on Martin Lakeshore within township-owned property. Both basins had filled with sediment over time and were providing little water quality treatment. Now, the basins are even larger than originally constructed to maximize pollutant removal. Pollutant removal is estimated to increase by 84% and 104%, respectively, at the two ponds. Linwood Township will own and maintain the basins.

These projects are part of a State Clean Water, Land and Legacy grant to the Sunrise River Watershed Management Organization. The Anoka Conservation District is managing the projects. Additional funds remain and will be used for similar projects in 2021.

Collaborators on these projects included the ACD, SRWMO, Martin Lakers Association, Linwood Township, and the City of East Bethel.

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ACD Hard at Work Removing Carp from Martin Lake

The Anoka Conservation District has been hard at work this September removing invasive carp from Martin Lake, located in northeastern Anoka County. Martin Lake has had a large carp population over the years, which can be extremely detrimental to lake water quality if left unmanaged. This type of work isn't possible without strong partnerships between natural resource professionals and residents of the community. This project and the dedicated volunteers on Martin Lake are a shining example of the level of civic engagement that is achievable when these relationships are nurtured. Thank you volunteers!

Updates are also periodically posted here: Carp Harvests

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