Data associated with publication regarding Superfund site data of surface water, bioaccumulation (fish, mussels, etc.), and the impact on remediation. This dataset is associated with the following publication: Blum, D., K. Miller, and R. Burgess. Effectiveness of remediation at contaminated sediment sites based on measurements of bioavailability: Testing a conceptual approach. Integrated Environmental Assessment and Management. Allen Press, Inc., Lawrence, KS, USA, 22(4): 1123–1144, (2026).