Increasing Climate Resiliency in Coastal Ohio Using Green Infrastructure

Project Lead: Chagrin River Watershed Partners, Inc. – Amy Brennan
Partners: North Carolina State University, Ohio Department of Natural Resources Division of Wildlife -Old Woman Creek NERR, Ohio Department of Natural Resources - Division of Soil and Water Resources
Geographic scope: Cuyahoga County, OH and Lake County, OH

Since 2006, Lake County in northeastern Ohio has endured both 250-year and 500-year storm events. One community experienced flooding of over 70% of the residential structures due to undersized stormwater infrastructure. This project seeks to improve the green infrastructure planning and implementation that can help reduce runoff volumes, limit damages and help Lake County communities recover more quickly from heavy precipitation events. Using future climate modeling projections, the Chagrin River Watershed Partners (CRWP) will update their existing model codes for riparian setbacks, comprehensive stormwater management, and flood damage reduction. CRWP will then work with communities to adopt these updated codes. North Carolina State University will use a model (DRAINMOD) to determine which bioretention and permeable pavement designs will perform best under predicted and extreme climate change rainfall scenarios. The Ohio Department of Natural Resources will use the model results to evaluate the design guidance in the Rainwater and Land Development Manual






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