Gordon, S.E., Aunins, A.W., Beaver, C.E., Schill, W.B., Iwanowicz, D.D., Iwanowicz, L.R., Densmore, C.L., Ottinger, C.A., Young, C. C., Raines, C.D., Johnson R., Salamone, V.J., Eackles, M.S., Stelzer, E.A., Firnstahl, A.D., 2022, SARS-CoV-2 Data from National Wastewater Surveillance System Surge Capacity Sampling, September 2021: U.S. Geological Survey data release, https://doi.org/10.5066/P9LQQJ2J.