DESCRIPTION
The Lower Elwha Klallam Tribe used this funding for the Pysht River Estuary Engineering Feasibility Study. The Pysht Estuary is the second largest in the Strait of Juan de Fuca and contains both functional and degraded habitats. Activities associated with the marine transport of logs have impacted estuary function and process. We conducted an analysis of the Pysht River Estuary that evaluated 36 different restoration scenarios at four areas of estuary. These included variations on the following actions: 1) removal of clam shell dredge deposits lining both banks of the river (disconnection with historic tidal marsh), 2) removal of suction dredge deposits cast across historic tidal marshes (filling and conversion of tidal marsh), 3) removal of log sheet pile on the lower Pysht River (disconnection of floodplain and tidal marsh), 4) removal of roads associated with log storage areas on estuary sand spits (conversion of sand spit). The restoration actions were ranked by the analysis team and presented to the landowner for review. Based on landowner input it was determined that the highest ranked project was the removal of 21.5 acres of suction and clamshell dredge spoils that were covering historic saltmarsh on the south side of the estuary. A preliminary design (30% design) was completed for this potential project that included geomorphic, hydrologic, soils, wetlands, cultural analysis as well as grading, tidal channel design, and spoils disposal plans. This design will support the future development of a final design (approved for funding in 2013).