What is a rain garden?

A rain garden is a shallow depression planted with a variety of flowers, shrubs, and grasses that "don't mind getting their feet wet." Rain gardens help soak up rainwater from streets, downspouts, driveways, and sidewalks, while protecting local waterways. When planted with the right types of plants, rain gardens also attract birds, butterflies, and bees.

When rain gardens are located in a critical drinking water aquifer recharge area, these gardens are lined and an underdrain collects the treated stormwater and sends it to the City's stormwater pipe system in adjacent streets.

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1. What is a rain garden?
2. How do rain gardens work?
3. What is permeable asphalt?
4. What is compost amended soil?
5. What is a green roof?
6. What is tree preservation?