Hamilton Run Restoration
EMH&T worked with the City of Hilliard and the Franklin County Engineer to provide environmental engineering and permitting services for this stream and wetland restoration project. The Hamilton Run project involves the restoration of 3 acres of emergent wetland and approximately 3,960 linear feet of Hamilton Run extending upstream of Roberts Road in Brown Township, Franklin County, Ohio. Hamilton Run is a headwater tributary to Hellbranch Run within the Big Darby Creek Watershed. The goal of the stream restoration was to improve bank stability, aquatic habitat, and the riparian corridor along this channelized, incised and entrenched reach. EMH&T developed a restoration plan, including a detailed analysis of existing stream conditions and specific strategies to improve the channels using natural channel design methodologies. Restoration of the stream, completed in 2010, re-established geomorphologic features consistent with natural stream channel characteristics. In-stream structures were constructed to provide grade control, streambank stabilization and aquatic habitat features. EMH&T was involved in the restoration of onsite wetland cells via the creation of emergent habitat and the production of a large-scale herbaceous planting plan. As construction activities for this project were finalized, an as-built plan, including a survey of the restored channel and wetland cells, was produced. EMH&T is also currently providing five years of annual post-construction monitoring services in order to assess the condition and habitat development of the restored stream, emergent wetlands and associated riparian corridor.