The excel spreadsheet includes sample IDs and labeling information for DNA sequencing raw data. In addition, DNA concentrations for all the biofilm samples analyzed are presented. This dataset is associated with the following publication: Jeon, Y., l. li, J. Calvillo, H. Ryu, J. Santo Domingo, O. Choi, J. Brown, and Y. Seo. Impact of algal organic matter on the performance, cyanotoxin removal, and biofilms of biologically-active filtration systems. WATER RESEARCH. Elsevier Science Ltd, New York, NY, USA, 184: 116120, (2020).

These data are bacterial 16S rRNA sequences and a taxonomic summary table for biofilm samples from the bio-reactors. The data may provide background/supporting information for other researchers who have a similar experimental plan with a microbial electrochemical cell reactor. This dataset is associated with the following publication: Santodomingo, J., H. Lee, B. Dhar, J. An, B. Rittmann, H. Ren, and J. Chae. The Roles of Biofilm Conductivity and Donor Substrate Kinetics in a Mixed-Culture Biofilm Anod. ENVIRONMENTAL SCIENCE & TECHNOLOGY. American Chemical Society, Washington, DC, USA, 50(23): 12799-12807, (2016).

Sequence reads (16S rDNA- and 16S rRNA-based) were processed and analyzed using Mothur software. The results presented in the attached Excel file. Also, the other MS word file includes taxonomic summary tables for bacterial communities on biofilms from the MAIFAS reactor as well as the detailed description of Materials & Methods. This dataset is associated with the following publication: Church, J., H. Ryu, A. Sadmani, A. Randall, J. Santodomingo, and W.H. Lee. Multiscale investigation of a symbiotic microalgal-integrated fixed film activated sludge (MAIFAS) process for nutrient removal and photo-oxygenation. Bioresource Technology. Elsevier Online, New York, NY, USA, 268: 128-138, (2018).

These data include raw sequencing data (bacterial 16S and eukaryote 18S rRNA genes) and a summary result table for bacteria classification in an Excel file. This dataset is associated with the following publication: Hwang, J., H. Ryu, K. Rodriguez, S. Fahad, J. SantoDomingo, A. Kushima, and W. Lee. A strategy for power generation from bilgewater using a photosynthetic microalgal fuel cell (MAFC). JOURNAL OF POWER SOURCES. Elsevier Science Ltd, New York, NY, USA, 484: 229222, (2021).

Data include on the characterization of saline water composition, algal growth, salt sequestration and changes in water conductivity. This dataset is not publicly accessible because: EPA cannot release CBI, or data protected by copyright, patent, or otherwise subject to trade secret restrictions. Request for access to CBI data may be directed to the dataset owner by an authorized person by contacting the party listed. It can be accessed through the following means: https://doi.org/10.1016/j.chemosphere.2022.136082. Format: Data collected by Al-Ain University. This dataset is associated with the following publication: Zafar, A.M., M.A. Javed , A.A. Hassan, E. Sahle-Demessie, and S. Harmon. Biodesalination using halophytic cyanobacterium Phormidium keutzingianum from brackish to the hypersaline water. CHEMOSPHERE. Elsevier Science Ltd, New York, NY, USA, 307: 136082, (2022).

The BioSample database contains descriptions of biological source materials used in experimental assays.

All data tables are available in the publication and uploaded onto ScienceHub. This dataset is associated with the following publication: Bangma, J., T.C. Guillette, M. Strynar, A. Lindstrom, J. McCord, D. Jenkins-Hill, C. Lau, N. Chernoff, and J. Lang. A rapid assessment bioaccumulation screening (RABS) study design for emerging per-and polyfluoroalkyl substances in mice exposed to industrially impacted surface water. CHEMOSPHERE. Elsevier Science Ltd, New York, NY, USA, 308(1): 136159, (2022).

Data is organized using an excel spreadsheet. We included a METADATA sheet in the data file to document what is in each sheet. Data collected include phosphorus loads from bioretention cells, heavy metals, hydraulicdata collected include phosphorus load/concentration and heavy metals. This dataset is associated with the following publication: Ament, M.R., E.D. Roy, Y. Yuan, and S.E. Hurley. Phosphorus Removal, Metals Dynamics, and Hydraulics in Stormwater Bioretention Systems Amended with Drinking Water Treatment Residuals. Journal of Sustainable Water in the Built Environment. American Society of Civil Engineers (ASCE), New York, NY, USA, 8(3): 04022003, (2022).

The dataset includes the accession numbers to the RNA sequences and qPCR data for pathogens and validation of some important RNA sequences. This dataset is associated with the following publication: Lu, J., I. Struewing, and N. Ashbolt. Meta-Transcriptomic Response to Copper Corrosion in Drinking Water Biofilms. Microorganisms. MDPI, Basel, SWITZERLAND, 13(7): 1528, (2025).

Metals concentrations in seagrass plant tissues. This dataset is not publicly accessible because: Secondary data collected by non EPA authors. It can be accessed through the following means: Contact primary author. Format: Primary authors have the data associated with this manuscript. This dataset is associated with the following publication: Xu, S., J. Kaldy, X. Zhang, S. Yue, Z. Suonan, and Y. Zhou. Comparison of metals in eelgrass (Zostera marina L.) and the environment across the North Pacific Ocean: Environmental processes drive source delivery. ENVIRONMENTAL POLLUTION. Elsevier Science Ltd, New York, NY, USA, 343: 123096, (2024).