Water Quality
Water Quality
We measure, analyze, and evaluate physical, chemical, biological, and geological interactions in rivers, streams, lakes, groundwater, and ecosystems, providing information essential to human-health and safety, residential, business, transportation, industrial, agricultural, energy, mining, and recreational uses, and our understanding of the natural world.
Filter Total Items: 28
Roanoke River Study
The U.S. Army Corps of Engineers (USACE), Wilmington District and the City of Roanoke, Virginia began construction of a congressionally authorized Roanoke River Flood Reduction Project (RRFRP) in 2005. RRFRP implementation activities include: construction activities, stream bank vegetation changes, and floodplain geometry changes which are occurring in a complicated urban river system. These...
Virginia Coastal Plain GIS Project
The USGS, with cooperation from the Virginia Department of Environmental Quality and the Hampton Roads Planning District Commission, is involved in several related and on-going regional projects directed at better characterization of this important resource. The large amount of information needed for these projects requires the development and integration of a Geographic Information System (GIS)...
River Input Monitoring
The objective of this study is to provide concentrations and estimates of loads and trends of suspended solids, nitrogen, phosphorus, and other selected constituents at the James, Rappahannock, Appomattox, Pamunkey, and Mattaponi Rivers.
USGS-Chesapeake Bay Program Watershed Model
The USGS is collaborating with the Chesapeake Bay Program (CBP) to incorporate the USGS Potomac Watershed and Chesapeake Bay Virginia Watershed models into Phase 5 of the Chesapeake Bay Watershed Model (CBWM).