Groundwater Information Center
Water Facts 1. Ground Water in Fractured Hard Rock. (January 2011) (PDF 5.17 MB)
Water Facts are short reports on water resources issues of general interest. This Water Facts discusses nine-commonly-asked questions about groundwater in the cracks or fractures of hard rocks.
Water Facts 2. 7-Steps for Managing Ground Water Supplies. (February 1996) (PDF 18 KB)
7-step groundwater management program to help local groundwater managers make informed decisions in managing the available groundwater to assure an available supply in the future.
Water Facts 3. Adjudicated Ground Water Basins in California. (June 2011) (PDF: 1.51 MB)
The State of California is not authorized by the California Water Code to manage groundwater. California landowners have a correlative right to extract as much groundwater as they can put to beneficial use. In some basins, that correlative right has been defined by a court.
Water Facts 4. Ground Water Management Districts or Agencies in California. (January 1996) (PDF: 190 KB)
Water Facts are short reports on water resources issues of general interest. This Water Facts address Groundwater Management District in California. The California Legislature has enacted statutes establishing several groundwater management districts or agencies that can enact ordinances to regulate the amount of groundwater that is extracted and limit its place of use within the districts.
Water Facts 5. California Well Standards Questions and Answers. (June 1992) (PDF: 54 KB)
Water Facts are short reports on water resources issues of general interest. This Water Facts answers five commonly-asked questions about DWR's well standards.
Water Facts 6. Ground Water (June 1993) (PDF: 116 KB)
Water Facts are short reports on water resources issues of general interest. Eleven frequently talked-about groundwater topics are discussed in this Water Facts.
Water Facts 7. Numbering Water Wells in California. (June 2000) (PDF: 35) KB
Water Facts are short reports on water resources issues of general interest. This Water Facts discusses the well numbering system, how wells get numbers and why well numbering necessary.
Water Facts 8. Ground Water Mgt in California - Six Methods Under Current Law. (August 2000) (PDF: 73 KB)
Water Facts are short reports on water resources issues of general interest. This Water Facts describes the six methods of managing groundwater used in California. The methods are listed in the chronological order in which they were developed.
Water Facts 9. Integrated Resources Evaluation Checklist. (December 2000) (PDF: 36 KB)
Water Facts are short reports on water resources issues of general interest. This Water Facts discusses Integrated Resources Evaluation Checklist. This water resources evaluation checklist is a starting point for water managers when planning and undertaking studies of watersheds and groundwater basins.
Water Facts 10. Components of a Groundwater Management Plan. (May 2004) (PDF: 180 KB)
This Water Fact lists components from Bulletin 118-2003, California�s Groundwater, Appendix C that should be considered for inclusion a groundwater management program.
Water Facts 11. Yield of a Water Supply Well. (March 2004) (PDF: 269KB)
The amount of water that a water supply well can produce is important for choosing the correct size pump and meeting the well owner's water needs.
Water Facts 20. Salt Balance in the San Joaquin Valley. (January 2001) (PDF: 62 KB)
Water Facts are short reports on water resources issues of general interest. This Water Facts details the continued salt buildup in California's San Joaquin Valley water and soils and the reduced productivity and threatened agricultural sustainability.
Watermaster Service Reports
DWR performs Watermaster services for surface water (stream systems) in northern California and for groundwater in southern California. Information on the specific geographic areas and the services as well as links to Watermaster reports are available on the Watermaster page.
Links to Basic Groundwater Information (e.g. USGS Water Supply Paper 2220):