Water Resources of the United States


National Water Information System

View current and historical streamflow, ground-water level, and water-quality data

Today's Water Conditions

View comparisons of current and historical conditions using maps
Click map to go to current water resources conditions in the U.S.



USGS Water Science Centers are located in each state

USGS In Your State (clickable)There is a USGS Water Science Center office in each State.
Maryland-Delaware-D.C. New Jersey Connecticut Virginia Rhode Island North Carolina South Carolina Massachusettes Maine New Hampshire Vermont New York Hawaii Alaska Caribbean Florida Georgia West Virginia Pennsylvania Alabama Tennessee Kentucky Ohio Indiana Michigan Mississippi Illinois Wisconsin Louisiana Arkansas Missouri Iowa Minnesota Texas Oklahoma Kansas Nebraska South Dakota North Dakota New Mexico Arizona Colorado Utah Wyoming Montana Nevada Idaho California Oregon Washington

Hydrologic Networks and Analysis Program (HNA)

Contact Us

Contact Information for Program Staff

Program Coordinator

Earl Greene
Email: eagreene@usgs.gov
Phone: 443-498-5505

Subprogram Coordinators

National Water Quality Stream Accounting Network (NASQAN)
Charles Crawford
Email: cgcrawfo@usgs.gov
Phone: 317-290-3333, ext. 176

Hydrologic Benchmark Network (HBN)
Mark Nilles
Email: manilles@usgs.gov
Phone: 303-236-1878

Monitoring Chemical Quality of Rain and Snow - National Atmospheric Deposition Program (NADP)
Mark Nilles
Email: manilles@usgs.gov
Phone: 303-236-1878

National Park Service - US Geological Survey Water Partnership
Mark Nilles
Email: manilles@usgs.gov
Phone: 303-236-1878

National Water Information System (NWIS)
Terri Moore, Acting Chief, Office of Water Information
Email: tejmoore@usgs.gov
Phone: 703-648-5014


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Page Last Modified: Wednesday, 05-Oct-2016 10:58:24 EDT