Green Stormwater Infrastructure (GSI) / Low Impact Development (LID)

Location: Seattle, WAOwner: Seattle Public Utilities OCI was the prime for the award-winning Venema Natural Drainage System project. The design project retrofitted six residential city blocks with roadside bio-retention cells and underground injection control wells (UICs) providing water quality treatment, infiltrating runoff from the street, and reducing runoff peak flow and volume. As all the construction
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