Data on biotic parameters of harpacticoid copepods and abiotic parameters related to pollution for samples taken between 1976 and 1980 in the Westerschelde-and Eems-Dollard estuary. The data were digitized by VLIZ from the original report: Van Damme, D.; Heip, C.H.R.; Herman, R.; Vaeremans, M. (1981). Harpacticoid copepod community structure in two North Sea estuaries in relation to pollution. Benthos 81/06. Rijksuniversiteit Gent, Laboratorium voor Morfologie en Systematiek der Dieren, Sectie Mariene Biologie: Gent. 58 pp.