Kirtland Hills Baldwin Road Stormwater Retrofit Demonstration Project Published: 12 February 2013 Written by Super User Hits: 3150 Print Email The Village of Kirtland Hills, through an Ohio EPA Surface Water Improvement Fund Grant, installed 12,500 square feet of vegetated infiltration swales and check dams along Baldwin Road near Holden Arboretum. For many communities, the main types of storm sewer systems are roadside ditches and pipes that drain directly to local streams and rivers. Traditional systems are designed to convey water as fast as possible; consequently, large volumes of untreated stormwater are rushing into unprotected waterways, causing sediment buildup and flooding further downstream and harming stream health. This creates additional maintenance concerns for communities and can result in costly future upgrades to stormwater infrastructure. Unlike traditional stormwater design, the Baldwin Road swales and check dams are designed to slow the water down, giving it time to soak into the ground before it moves further downstream. The Baldwin Road project will reduce stormwater volume and sediment in the Village’s storm sewer system and improve water quality in the East Branch of the Chagrin River, and demonstrates how enclosed storm sewer systems converted to vegetated infiltration areas can improve temperature, habitat and nutrient targets for maintaining stream quality. Click here for project factsheet. This product or publication was financed in part or totally through a grant from the Ohio Environmental Protection Agency under the provisions of the Surface Water Improvement Fund and the USEPA Great Lakes Restoration Initiative.