Fig. 1

Diagram of study. Representative map of sampling sites used in this research with site names, total sample number, and GPS coordinates (a) Schematic representation of the WWTP included in this study (b) Schematic representation of sampling types (Bard outflow (B); Water (W); Sediment (S)) and the sampling measures performed, including those applied to all samples (General Measures) and those specific to Bard and Water sample sites (c) Lastly, a timeline of 10 sampling events over 5 months shows the number of successful samples taken from the W, S, and B sample types for both the Below (Be) and Above (Ab) and at the Far (F) and Near (N) sites (d).