W21

[AI summary unavailable — showing source text] Water in the 21st Century Act or W21 This bill establishes within the Environmental Protection Agency (EPA) a WaterSense program to identify, label, and promote water efficient products, buildings, landscapes, facilities, processes, and services. This bill establishes a program to provide financial incentives for consumers to purchase and install products, buildings, landscapes, facilities, processes, and services labeled under the WaterSense program. The EPA is required to make grants to owners or operators of water systems to address any ongoing or forecasted impact of climate change on a region's water quality or quantity. The Department of the Interior may: (1) provide financial assistance to water projects in specified states, including projects for water recycling, water infrastructure, enhanced energy efficiency, desalination, and water storage and conveyance; and (2) transfer to nonfederal entities title to any reclamation projects or facility in need of rehabilitation that are authorized before enactment of this Act. The U.S. Geological Survey must establish an open water data system to advance the availability, timely distribution, and widespread use of water data and inf…