A map from the USGS showed that some rivers were 23,000 percent of their normal median level or higher as of Friday morning.

The National Hydrography Dataset Plus High Resolution map of waterways, created by the US Geological Survey, is the highest-resolution survey of its kind. With nearly 25 million rivers ...

The National Oceanic and Atmospheric Administration's National Water Prediction Center has forecast that areas in Arkansas, Illinois and Missouri could expect major flooding. The total water level ...

Rivers are a vital source for drinking water, plant and animal life, and community, but across the U.S., many of the largest and most critical of these waterways — and the people and wildlife ...