Consistent, real-time water data from streams, lakes, reservoirs, ground-water, and meteorological sites, are available from the USGS National Water Information System as graphs, tables, or files to download.
USGS water resources home page with links to detailed hydrologic information for Maryland, Delaware, and District of Columbia on ground and surface water, water quality, real-time records, news releases, local weather, and reservoir levels.
List of plant specimens and photo gallery of plants in the collection of the herbarium at the Patuxent Wildlife Research Center, a reference collection of plants occurring in the area lying between Baltimore, Maryland and Washington D.C.
Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
Consistent, historic, and up-to-date water-quality data, such as temperature, specific conductance, pH, nutrients, pesticides, and volatile organic compounds downloadable from the USGS National Water Information System as graphs, tables, or files.
List of current water resources projects being conducted by the U.S. Geological Survey in Maryland, Delaware, and the District of Columbia with links to dedicated websites, contacts, and project descriptions.
U.S. Department of the Interior |
U.S. Geological Survey