Exp.Material_Cell= Flowcytometric data on water samples Exp.Material_Chem= Chemical analyses on water samples (DOC, IC, anions and ammonium) Exp.Material_OTU_Table= OTU table (relative abundances) used for PCO and NMDS plots and statistical analyses Exp.Material_qPCR_GAC= qPCR analyses on GAC samples Exp.Material_qPCR_SAND= qPCR analyses on SAND samples Exp.Material_THMFP= THM formation potential experiment results PlotsPaper= Plots produced for the publication of the paper NCM\Effluent_Samples\Input_file_effluent= Input file for NCM analyses on effluent samples NCM\Effluent_Samples\Output_file_effluent= output file from NCM analyses on effluent samples NCM\Media_Samples\ Input_file_media= Input file for NCM analyses on media samples NCM\Media_Samples\ output_file_media= output file from NCM analyses on media samples NCM\Rscript= R script for NCM analyses