U.S. Geological Survey (USGS) (USGS)
Water
The USGS serves the Nation by providing reliable scientific information to describe and understand the earth; minimize loss of life and property from natural disasters; manage water, biological, energy, and mineral resources; and enhance and protect our quality of life. The agency that monitors streamflows, river hydrology, and seismic activity.
The Federal Agency chartered in 1879 by congress to classify public lands, and to examine the geologic structure, mineral resources, and products of the national domain. As part of its mission, the USGS provides information and data on the Nation's rivers and streams that are useful for mitigation of hazards associated with floods and droughts.
- — Service Hydrologist Reference Manual Glossary of Hydrologic Terms retrieved 2014-06-01