Water Resources of the United States
Additional Sources of Water Information
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.
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.
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.