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Fairfax County recommends channel, pipe and overland-relief upgrades for McLean watershed
Summary
Fairfax County’s Department of Public Works and Environmental Services released a study-backed recommendation to reconstruct a concrete channel, replace deteriorated pipes, add structural flood mitigation and improve nine overland relief paths in the 537-acre Weaver Avenue–Dillon Avenue watershed in McLean; 15 homes are slated for targeted protections and the county will fund construction after design and permits are complete.
A presenter for Fairfax County’s Department of Public Works and Environmental Services summarized a package of stormwater improvements for the Weaver Avenue–Dillon Avenue watershed in McLean, saying the county will fund construction and solicit neighborhood feedback before moving forward.
County modeling, completed by GKY and Associates, identified downstream constrictions and VDOT-owned culverts that reduce conveyance and cause upstream ponding in the study area, which stretches west of Route 267 between Westmoreland Street and Tennyson Drive. "These models were used to identify causes of flooding and assess potential improvement options," the presenter said.
Why it matters: Flooding in…
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