Conflicts of Interest The authors declare no conflicts of interest. Data Availability Statement The datasets used or analysed during the current study are available from the corresponding author on reasonable requests. Supporting Information Filename Description emi70303-sup-0001-supinfo.docxWord 2007 document , 8.1 MB Table S1: Water quality measurements from O'ahu WWTPs. Table S2: ASV counts of algae (genera), cyanobacteria (17 strains, 1 genus) and dominant bacteria (genera).
