Maple Grove, MN Landscaping Rules: Rainwater Harvesting (2026)

Rainwater harvesting (rain barrels and cisterns capturing rooftop runoff) is generally permitted in Maple Grove. The city publishes no ordinance banning residential rain barrels, and Minnesota encourages capturing rainwater to reduce stormwater runoff and reuse it for landscape irrigation. Maple Grove's own Water Efficiency Rebate Program focuses on indoor fixtures and irrigation hardware: it offers 75% of cost (up to $250) toward WaterSense irrigation controllers and spray heads, ENERGY STAR clothes washers and dishwashers, and up to $100 toward WaterSense toilets, but it does not list a dedicated rain barrel rebate. For rain gardens and larger runoff-capture projects, Maple Grove residents can tap the Shingle Creek and West Mississippi Watershed Management Commissions' cost-share program, which provides financial and technical assistance for projects including rain gardens, bioinfiltration and filtration features, and conversion of impervious surface to native plants. Applications are made through the City Engineer and reviewed by the watershed commission. Residents using harvested rainwater for irrigation still must comply with the city's outdoor watering schedule when drawing on the public system, though water captured in a rain barrel is not metered municipal water. Because rooftop water can carry contaminants, harvested rainwater should be used for landscape irrigation rather than drinking. Homeowners planning a permanent cistern or a system tied into plumbing should confirm building and plumbing code requirements with the city before installation.