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Hebron advances flood-improvement plan after updated modeling, design work with developers
Summary
Consultants presented an updated flood model and a master plan that incorporates developer projects and a possible overflow channel; the U.S. Army Corps of Engineers found a channel could be feasible and might remove mapped floodplain designation from nearly 50 insured structures. Council discussed next steps, including a CDBG-funded culvert project this summer.
Village of Hebron officials heard detailed findings March 19 on a multiyear effort to update flood mapping and create a coordinated improvement plan that meshes with planned development in the northern watershed.
Stephen Kopechek of V3 summarized prior studies and recent work, saying the U.S. Army Corps of Engineers' analysis found "the channel could be feasibly designed and constructed and could result in the floodplain being removed at nearly 50 insurable structures," a finding the firm carried forward while developing a master plan with Burgess & Niple. The consultants traced the study history from a 2014–15 Bird+Bull/Hartman Engineering review through a more accurate 2022 remapping that identified critical overflow locations near Canal Park and the White property.
The master plan described at the meeting includes expanded culverts between Main Street and State Route 79, benched areas and two-stage ditches to add storage and conveyance, and an overflow channel aligned to avoid conflicts with Microsoft, Pulte and M/I Homes development plans. V3 said the Village secured Community Development Block Grant planning funds for the comprehensive modeling and that the first project from the master plan—the Broadway and Sugar Street culvert improvements—is funded by CDBG Critical Infrastructure and is slated for construction this summer.
Council members pressed consultants on lower-cost options. V3 noted that clearing ditches alone is unlikely to substantially lower flood elevations and that removing a log jam near Hebron "has a minimal benefit toward reducing flood elevations and the extent of the floodplain," citing the South Licking Watershed Conservation District study, though consultants supported log-jam removal to reduce localized obstructions. The firm also clarified that references to structures being "removed from the floodplain" mean changes to the mapped floodplain designation, not physical removal of homes.
Next steps outlined for the Village include refining stormwater regulations, conducting public outreach about the improvements, coordinating design guidance with developers, and pursuing further funding. Council members and staff said they will continue coordinating with ODOT on I‑70 corridor work and with developers to align construction and flood mitigation measures.
