Time series of iron (II) and sulfate concentrations for Beaverdam and Falling Creek Reservoirs in southwestern Virginia, USA during 2016

Water chemistry data were collected approximately weekly from May through October 2016 to study the biogeochemical cycling in Falling Creek Reservoir (FCR) and Beaverdam Reservoir (BVR). FCR and BVR are owned and operated by the Western Virginia Water Authority as primary or secondary drinking water sources for Roanoke, Virginia, USA. The dataset consists of depth profiles of sulfate (SO4) and dissolved Fe(II) samples measured at the deepest site of each reservoir adjacent to the dam. The dissolved Fe(II) samples were speciated from total dissolved Fe using the ferrozine method adapted from Viollier et al. (2000).