Rain Water Runoff
Raingardens collect and temporarily hold water from your roof or driveway that would otherwise runoff across your lawn and be channeled into fast-moving torrents of water. In our case, it collects rainwater from the east side of the barn. Native plants in the garden help take up the water while providing attractive wildlife habitat. The Nature Center’s rain garden, constructed in 2009, is located to the southeast of the headquarters barn, near the cedar tree. Native plants, including butterfly weed, cardinal flower, columbine, foxglove beardtongue, Jacob’s ladder, Ohio spiderwort, prairie sage, purple prairie clover, royal catchfly, aster, thimbleweed, white prairie clover, New Jersey tea, and whorled milkweed help absorb the water and add beauty and wildlife habitat to the campus. The water slowly infiltrates from the garden into the soil, rather than creating fast moving, contaminated runoff that would directly run into storm drains or, in our case, Indian Creek.
The Nature Center created its own garden in partnership with the Iowa Conservation Corps and Metro High School. Plants were purchased from Ion Exchange. For more information about how to design and install a rain garden on your own, contact the Iowa Natural Resources Conservation Service. There is cost share money available from the Linn County Soil and Water Conservation District. Locally, there are a number of raingarden designers and installers. Examples include Sue Kramer (364-5724), Ruth Fox (363-6018), and Smith Massman Landscape & Design (363-5230).
“Ivy”, as we call the 50-gallon rainwater collection device on-site, usually travels between the auditorium and the exhibit area, and frequently makes off-site visits to other organizations and businesses as an educational tool. Holding roof water to be used later for gardening is a good water-saving technique.