This document tells the story of sediment traveling through the Delaware River watershed and estuary, picking up nutrients, contaminants, and various organism friends along the way, including freshwater mussels, oysters, and ribbed mussels in tidal wetlands. It highlights the role of these organisms, particularly shellfish, in filtering sediment and improving water quality. The document also notes partnerships that work to reduce sediment upstream and protect tidal wetlands, and calls for new partners to help the next generation of sediment.