USGS - science for a changing world

Water Resources of the United States

Additional Sources of Water Information


The links on this page are for your convenience. They do not imply endorsement by the U.S. Geological Survey.

Principal criteria for including websites in the list are shown below the category headings. Links are considered for the list as they come to our attention. To recommend a link for the list, use our user feedback form. We reserve the right to change the criteria to keep the list to a managable size of selected references.

Federal Agencies

Websites that are managed by or for U.S. Government agencies and contain content about water resources. Some U.S. Government websites on specific topics are under other categories.


Government-sponsored websites serving regional or multi-state activities concerning water resources.

State Cooperators

State agencies, participating in the Cooperative Water Program, who have asked to be included here.


Includes other nations' counterparts to USGS plus multinational governmental organizations involved in water resources.

Institutes and Universities

Academic websites with a focus on water resources.


Non-profit, professional or educational organizations with a focus on the scientific study of water resources. Priority is given to organizations which have activities co-sponsored by USGS or those with journals in which USGS scientists commonly publish.


On-line catalog references to major collections of scientific publications about water resources. The catalog must be open to the public.


Large, cataloged collections of links to other websites with scientific information on water resources. Although some sites may be commercial, priority is given to non-profit, non-advocacy sites.

Other Resources of Interest

Websites having unique and interesting characteristics that do not fit within the other classes. All sites must be non-profit, non-advocacy, and focus on objective, scientific information.

USGS Home :: Biology :: Geology :: Geography :: Site Map

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo logo U.S. Department of the Interior | U.S. Geological Survey
Page Contact Information: Water Webserver Team
Page Last Modified: Monday, 17-Jun-2013 08:13:17 EDT