TagDes Moines(304)

This is a Washington State Joint Aquatic Resources Permit Application (JARPA) submitted by the Washington State Department of Transportation (WSDOT) for the SR 509 Stage 2 Project, which involves constructing a new expressway between 24th Avenue South and South 188th Street in the cities of Burien, Des Moines, and SeaTac, King County. The project corridor runs through publicly owned land and spans multiple sections of townships near Sea-Tac Airport. The application was received on March 24, 2022, and covers permits related to aquatic resources affected by the highway construction.

The Highline Forum held a virtual meeting on March 23, 2022, hosted by the City of Des Moines, focusing on the 2021 StART (Sea-Tac Airport Roundtable) Annual Report and the selection of a new Community Co-Chair. The meeting, conducted via Microsoft Teams, included presentations by Port of Seattle representatives and BDS Planning Urban Design on airport noise mitigation efforts affecting Highline-area communities. The document also lists all six 2022 Highline Forum meeting dates, with hosts ranging from local cities such as Tukwila, Federal Way, and SeaTac to institutions like Highline College and the Highline School District.

The Highline Water District's 2022 Consumer Confidence Report details the sources, treatment, and quality testing of drinking water served to customers in the Kent and SeaTac, Washington area. Approximately 75% of the district's water comes from Seattle Public Utilities' Cedar River Watershed, with the remaining 25% drawn from local groundwater wells, all of which are treated and tested for over 200 contaminants before reaching customers. The report confirms that Highline Water District's water meets all state and federal safety standards and is significantly below EPA maximum contaminant levels.

This 2021 annual review by the Washington State Department of Health assesses water quality and shellfish harvesting conditions in Poverty Bay, located near Des Moines and Federal Way. The area holds a mix of Approved, Conditionally Approved, and Prohibited classifications, with most stations meeting bacteriological standards, though Station 701 and Station 720 raised concerns due to elevated fecal coliform levels. Pollution sources such as stormwater runoff and past sanitary sewer overflows continue to be monitored, with ongoing correction efforts supported by Public Health Seattle-King County grant funding.

This WSDOT Puget Sound Gateway Program document presents preliminary design plans for a new SR 509 expressway segment running from 24th Ave S to S 188th St through the Blueberry Lane neighborhood, spanning the cities of Des Moines and SeaTac. The plans show proposed roadway construction, stormwater treatment ponds, wetland areas, and several buildings and roads slated for demolition to accommodate the new highway alignment. Cross-sectional diagrams illustrate the elevation changes and right-of-way boundaries relative to existing neighborhoods, trails, and local streets.