THE FEDERAL NEXUS ISSUE There's a federal role in all things water in Colorado — from building and operating infrastructure, to protecting the environment and public health, permitting new projects, cooperating with local stakeholders and state agencies, or offsetting costs for programs and equipment with myriad benefits. But climate change and aridification, the Colorado River crisis, a historic influx of federal funding, and other pressure points are freshly emphasizing the important relationship between federal authorities and Colorado's water resources.