This report contains lists of surface-water stations, ground-water stations, water-quality stations, sediment stations , and peak-flow partial-record stations in Wyoming. The locations of the data-collection sites are shown on maps. Water-resources projects in Wyoming are also described, including many that are related to development of energy resources. The general locations of the projects are shown on maps. The U.S. Geological Survey is striving to coordinate its water-resources investigations with those of other agencies. This report serves as an annual progress report to cooperators and the public.