Alternative Source for USGS Water Quality Data

The USGS National Water-Quality Assessment (NAWQA) Program has more comprehensive water quality data from a very limited number of locations in California.
The program started in 1991 and was augmented in 1997. This web site also provides some national context for comparing local water quality data.

USGS Geography -- The National Map

This site provides access to a variety of geographic information sources, including web-based digital maps that do not require other GIS software.

National Water Information System (USGS, current)

These pages provide access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, and Puerto Rico. Online access to this data is organized around the categories listed to the left.
The USGS investigates the occurrence, quantity, quality, distribution, and movement of surface and underground waters and disseminates the data to the public, State and local governments, public and private utilities, and other Federal agencies involved with managing our water resources.

Searchable Science & Environmental Databases

California Land Use Planning Information Network (LUPIN) (Resources Agency, CERES )

LUPIN is a California state information service that supports and addresses land use and planning information via the web. Search by datatype, theme, or organization. Local, regional, state and federal land use-related documents are available on-line.

Water Resources Center Archives (UC Berkeley)

The mission of the Water Resources Center Archives is to maintain and continue to develop a collection of current and historic water-related materials to meet the needs of the University of California and the people of the state. Historic photos, maps, and reports are some of the treasures to be found at the center in Berkeley.

Searchable Database of Reports and Publications Sponsored by Government Agencies (Office of Scientific and Technical Information)

This is a massive resource of gray literature and official reports from government agencies describing a wide array of human and natural processes, including water processes and assessment methods.

Science.gov, a Searchable Archive of Research and Other Reports From Federal Government Agencies

Science.gov contains reliable information resources selected by the respective agencies as their best science information. Two major types of information are included—selected authoritative science Web sites and databases of technical reports, journal articles, conference proceedings, and other published materials. (The specific content varies by database.) The selected Web sites can be explored from the science.gov homepage. The Web pages and the databases can be searched individually or simultaneously from the search page.