Project Overview
King County Wastewater Treatment Division protects public health and the environment by conveying and treating the region’s wastewater. King County has completed construction of roadside rain gardens in the Sunrise Heights and Westwood neighborhoods.
Located in the planter strip between the curb and sidewalk, these roadside rain gardens will divert stormwater runoff away from the combined sewer system. When it rains, stormwater will filter through rain garden soil to a drain pipe, which will take the water to a deep well to soak in underground. Keeping stormwater out of the sewer system will reduce combined sewer overflows (CSOs) of raw sewage and untreated stormwater into Puget Sound near the Fauntleroy ferry dock.
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