Rain gardens planted in 2003 in Burnsville, Minn., have attracted national attention. The rain gardens, planted near the curb and up to 2 feet below street level at their lowest point, divert 90% of storm water that would flow into a nearby lake. Bloomington, Minn., hopes to replicate Burnvsille's success, bolstered by a $25,000 grant from the Nine Mile Creek Watershed District.

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