UPPER RAIN GARDEN

Donated by Heather Thomas and Chet Kerr

The Upper and Lower Rain Gardens capture rain water from the Nature Center. Water is treated as a resource, and is led from the roof of the Nature Center into the gardens. The catch basin receives overflow from the leaders on the Nature Center and empties into the gardens. Both gardens function to conserve water and preserve the natural water cycle. Additionally, the gardens help to improve water quality, manage watershed and control flooding and erosion.

OBJECTIVE: Water conservation and the preservation of the natural water cycle, watershed management and water quality improvement, flood and erosion control, creation of a new ecosystem with beauty and wildlife habitat

CURRICULUM CONTENT: The water cycle, watersheds, storm water management practices, water conservation, horticulture, ecosystems

THE SUBURBAN LANDSCAPE: Storm water harvesting, flood control, Erosion Reduction

THE UPPER RAIN GARDEN:
Storm water runoff from the front lawn and part of the parking lot flows into the upper rain garden. The garden is built on a slope, so the ponding area is deepest near the parking lot. Since the water from the driveway contain silt and mud, rocks are used to dissipate the energy of the runoff so that the silt adn mud can settle out before entering the main rain garden. Water is pooled at a depth of approximately 8-12″ to sustain plant growth. The overflow from this garden is carried through an underground conduit into a catch basin in the driveway in the front of the basement door.

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