Ecology, working with a Steering Committee of Eastern Washington Phase II National Pollutant Discharge Elimination System (NPDES) permittees, completed a 2019 update of the Stormwater Management Manual for Eastern Washington. RKI helped incorporate the latest advances in design, construction, and maintenance techniques for conventional and Low Impact Development stormwater BMPs into the manual and provided team facilitation and public outreach, helping to gather and incorporate necessary inputs for successful use of the manual.

The Delridge Multimodal Improvements Project, a 4-mile corridor within Delridge Way SW from the West Seattle Bridge to Roxbury Street SW, will install 26 enhanced RapidRide Stations, improve bike and pedestrian connections to transit, and provide greenway connections. Serving as Drainage Design Lead, RKI is responsible for code compliance, hydrologic/hydraulic analysis, basis of design and design coordination for final design of stormwater management facilities.

Kitsap County Public Works (KCPW) developed a stormwater retrofit plan for East Bremerton and East Port Orchard to identify, prioritize and construct stormwater retrofit projects that address water quality and drainage problems. Both Green Stormwater Solutions and conventional stormwater techniques are used. The end result is a suite of management planning tools, including a prioritized list of projects and conceptual designs to support KCPW’s Capital Facility Plan and assist with obtaining grant funding for final design and construction of priority projects.

As part of its Plan to Protect Seattle’s Waterways, SPU committed to constructing green and/or gray infrastructure that will bring the Vine basin into compliance with Combined Sewer Overflow (CSO) regulatory requirements by the end of 2025. Serving as GSI Lead, RKI helped SPU develop and evaluate GSI options and select the preferred option to be advanced to final design and construction.