Wetland and Jurisdictional Waters Delineation

This subcontract for Wetland and Jurisdictional Waters Delineation supports Lewis County Public Works road safety projects by providing specialized field investigations. The selected contractor will be responsible for delineating wetlands and jurisdictional drainages using the USACE Western Mountains, Valleys, and Coast Region manual, identifying hydric soils with the Munsell Soil Color Book, and determining the Ordinary High Water Mark. Additionally, the contractor must rate wetlands according to the Washington State Wetland Rating System and provide comprehensive delineation reports and fieldwork schedules. The opportunity is categorized under NAICS code 541620 and is managed by the Washington Public Works Roads agency. Interested parties must submit their responses by the deadline of October 14, 2026.