RAIN GARDENS IN THE CITY OF ANOKA

Street reconstruction projects often provide opportunities to install new projects that can benefit water quality in nearby waterbodies. In the City of Anoka, four curb-cut rain gardens are currently being designed in conjunction with a street reconstruction project. The designs are being done by ACD in partnership with the City of Anoka and landowners. The rain gardens will capture stormwater runoff before it enters the storm sewer system, which discharges to the Rum River.

High priority properties with large contributing drainage areas were targeted. Those properties with landowners willing to transition some yard space out near the road from turf grass to garden area and agree to provide maintenance are being considered for rain garden installation. Funding for design is provided by a Metropolitan Conservation Districts Engineering and Technical Assistance Program, and installation funding will be provided by the City of Anoka.

Watch for additional updates as designs are finalized and the rain gardens are installed. To see other rain gardens already installed throughout Anoka County, please see the virtual project tour on ACD's website. 

Curb-cut rain garden example
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Three New Rain Gardens in Anoka Help Rum River Water Quality

ACD partnered with the City of Anoka to design three rain gardens that were installed as part of a City street reconstruction project in the 38th Lane neighborhood. Construction wrapped up this month in the yards of three homeowners who volunteered to take on the ownership and maintenance of these great water quality features. These three new rain gardens join two others that were installed in 2017 to clean up stormwater from this neighborhood that otherwise would wash directly to the Rum River via the storm sewer system. In total the three new rain gardens will treat about five acres of drainage area and remove about 1,164 lbs of total suspended solids (TSS) and 3.6 lbs of phosphorus annually from the stormwater runoff originating from those five acres. This results in about a 75% reduction in pollution washing to the river from this area!

Once the new plants have a chance to grow and bloom in these gardens in the coming years, not only will these rain gardens continue to provide an important water quality benefit to the Rum River, they will also host numerous pollinator species throughout the year with their abundant native flowering plants! ACD would like to extend a big thank you to the five landowners in this neighborhood, and dozens elsewhere in the county, that are willing to sacrifice portions of their yard to improve water quality in important waterways like the Rum River. These partnerships with willing private landowners are vital to ensuring clean and clear water for all to enjoy. 

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