These data include detailed sample description (sampling locations, sampling events, DNA concentrations in four separate spreadsheet in an Excel file) and DNA sequencing plate layout. This dataset is associated with the following publication: Li, L., D. Ning, Y. Jeon, H. Ryu, J. SantoDomingo, D. Kang, A. Kadudula, and Y. Seo. Ecological Insights into Assembly Processes and Network Structures of Bacterial Biofilms in Full-scale Biologically Active Carbon Filters under Ozone Implementation. SCIENCE OF THE TOTAL ENVIRONMENT. Elsevier BV, AMSTERDAM, NETHERLANDS, 751: 141409, (2021).

1. All OTUs (operational taxonomic units) raw sequences 2. Bacterial taxonomic structures at class and phylum level 3. Analytical data generated by multiple bioinformatics analyses. This dataset is not publicly accessible because: All the data were generated by THL in Finland. There is no EPA generated data. It can be accessed through the following means: Contact Dr. Tarja Pitkanen in Finnish Institute for Health and Welfare to request all the data used for the manuscript. Here is her contact information. Phone: +358 29 524 6315 Email: tarja.pitkanen@thl.fi. Format: Not available. This dataset is associated with the following publication: Tiwari, A., A. Hokajärvi, J. SantoDomingo, M. Elk, B. Jayaprakash, H. Ryu, S. Siponen, A. Vepsäläinen, A. Kauppinen, O. Puurunen, A. Artimo, N. Perkola, T. Huttula, I.T. Miettinen, and T. Pitkänen. Bacterial diversity and predicted enzymatic function in a multipurpose surface water system – from wastewater effluent discharges to drinking water production. Environmental Microbiome. BioMed Central Ltd, London, UK, 16(11): 17, (2021).

1. All OTUs (operational taxonomic units) raw sequences 2. Bacterial taxonomic structures at class and phylum level 3. Analytical data generated by multiple bioinformatics analyses. This dataset is not publicly accessible because: All the data were generated by THL in Finland. There is no EPA generated data. It can be accessed through the following means: Contact Dr. Tarja Pitkanen in Finnish Institute for Health and Welfare to request all the data used for the manuscript. Here is her contact information. Phone: +358 29 524 6315 Email: tarja.pitkanen@thl.fi. Format: Not available. This dataset is associated with the following publication: Tiwari, A., A. Hokajärvi, J. SantoDomingo, M. Elk, B. Jayaprakash, H. Ryu, S. Siponen, A. Vepsäläinen, A. Kauppinen, O. Puurunen, A. Artimo, N. Perkola, T. Huttula, I.T. Miettinen, and T. Pitkänen. Bacterial diversity and predicted enzymatic function in a multipurpose surface water system – from wastewater effluent discharges to drinking water production. Environmental Microbiome. BioMed Central Ltd, London, UK, 16(11): 17, (2021).

LMR watershed temporal DNA metabarcoding 2016 study. This dataset is associated with the following publication: Smucker, N., E. Pilgrim, H. Wu, C. Nietch, J. Darling, M. Molina, B. Johnson, and L. Yuan. Characterizing temporal variability in streams supports nutrient indicator development using diatom and bacterial DNA metabarcoding. SCIENCE OF THE TOTAL ENVIRONMENT. Elsevier BV, AMSTERDAM, NETHERLANDS, 831: 154960, (2022).

LMR watershed temporal DNA metabarcoding 2016 study. This dataset is associated with the following publication: Smucker, N., E. Pilgrim, H. Wu, C. Nietch, J. Darling, M. Molina, B. Johnson, and L. Yuan. Characterizing temporal variability in streams supports nutrient indicator development using diatom and bacterial DNA metabarcoding. SCIENCE OF THE TOTAL ENVIRONMENT. Elsevier BV, AMSTERDAM, NETHERLANDS, 831: 154960, (2022).

Data used to generate Figures 2, 3, and 4 as we ll as Table 3. This dataset is associated with the following publication: Banerji, A., M. Bagley, J. Shoemaker, D. Tettenhorst, C. Nietch, J. Allen, and J. Santodomingo. Evaluating putative ecological drivers of microcystin spatiotemporal dynamics using metabarcoding and environmental data. Harmful Algae. Elsevier B.V., Amsterdam, NETHERLANDS, 86: 84-95, (2019).

Data used to generate Figures 2, 3, and 4 as we ll as Table 3. This dataset is associated with the following publication: Banerji, A., M. Bagley, J. Shoemaker, D. Tettenhorst, C. Nietch, J. Allen, and J. Santodomingo. Evaluating putative ecological drivers of microcystin spatiotemporal dynamics using metabarcoding and environmental data. Harmful Algae. Elsevier B.V., Amsterdam, NETHERLANDS, 86: 84-95, (2019).