Concentration of antibiotic resistant E. coli in a constructed variable flow wetland. This dataset is associated with the following publication: Pemberton, A., B. McMinn, J. Kelleher, V.J. Harwood, and A. Korajkic. Constructed wetland treatment increases prevalence of multidrug-resistant Escherichia coli isolates but decreases overall concentrations. JOURNAL OF APPLIED MICROBIOLOGY. Blackwell Publishing, Malden, MA, USA, 137(10): lxag222, (2026).