A new service from the U.S. Geological Survey (USGS), WaterAlert, allows users to subscribe to receive instant customized updates about water conditions, including river flow, groundwater level, rainfall, and water quality at more than 9500 sites across the country where USGS collects real-time water information. The information is useful for a variety of users concerned about floods, drought, or chemical spills. For more information, visit http://water.usgs.gov/wateralert.