Surface Water

Information about water resources is fundamental to national and local economic well-being, protection of life and property, and effective management. The USGS works with domestic and international partners to monitor, assess, and conduct targeted research on a wide range of water resource conditions, including streamflow, groundwater, water quality, and water use and availability. USGS provides...

The USGS is working with partners to understand the impacts of installing structures made from rock, sandbags and wood in channels at a dryland ranch in southern Baja California. Hydrogeological instrumentation, recording observations, modeling hydrogeological scenarios, and an interdisciplinary scientific study of the watershed interactions between water, ecological systems, and human activities...

The USGS International Programs Office has intermittently collaborated with Brazil's Geological Survey (CPRM) since the early 1970's. With the creation of the Brazilian National Water Agency (ANA), Brazil's hydrologic monitoring network has taken on a higher socioeconomic importance. The collaboration agreements between USGS and ANA/CPRM have strengthened the Brazilian streamgaging network as well...