River Levels Flows is an iPhone app developed by LW Brands LLC that provides users with comprehensive hydrological data. The app features an interactive USGS/AHPS gauge map that displays real-time water level information from federal, state, and local stream gauge networks. Users can access water level and flow observations, gauge levels, and volume forecast, gauge history and statistics, and flood status push notifications.

In addition to the hydrological data, River Levels Flows also features Weather Prediction Center charts that provide significant river flood outlook, quantitative precipitation forecasts, excessive rainfall outlook, U.S hazards outlook, and the risk of heavy precipitation. The app is perfect for anyone who needs to stay informed about water levels and weather conditions, including fishermen, boaters, and emergency responders.

Overall, River Levels Flows is a reliable and user-friendly app that provides accurate and up-to-date information. The app is available for download as a full version from the App Store.