UHU Hydrologic Technicians collecting a discrete water-quality sample using the equal-width-increment-method, this sampling technique collects sample volumes proportional to the amount of flow at several equally spaced verticals in the cross section.

Sarah Chamblee (center) and Jonathan Jason (left) collecting a base-flow sample using a USGS DH-81 manual sampler and a multiple vertical integrating technique at the Gwinnett County Long-Term Trend Monitoring program multiparameter stream monitoring site, Richland Creek at Suwanee Dam Road, near Buford, Georgia, March 29, 2022