San Diego Hydrogeology
Statistics as of January 2014
Area
- Total study area: 3123 square miles
- Offshore area: 622 square miles
USGS installed multiple-depth wells
- 16 sites; 77 wells
Water-quality sampled since August, 2001
- Surface-water sites: 49
- Lake sites: 8
- Spring sites: 1
- Groundwater sites: 148
- Total samples, about 3000 available in publicly accessible database. Most groundwater sites are sampled 1-2 times; some lake sites are sampled hundreds of times.
Previous statistics
Project Chief: Wes Danskin
Phone: 619-225-6132
Email: wdanskin@usgs.gov
Welcome to the United States Geological Survey (USGS) San Diego Hydrogeology (SDH) project website, which provides geologic and hydrologic information for the transboundary San Diego–Tijuana area, USA and Mexico. This website provides background information about the project; a variety of news items; a large amount of data, in particular for USGS multiple-depth, monitoring-well sites; geologic and hydrologic models; and additional resources including photos, illustrations, and references.
Last updated: July 2023.
Some additional data may be available from the USGS database National Water Information System (NWIS).
Questions about San Diego Hydrogeology? Please contact Wes Danskin (email: wdanskin@usgs.gov or send a letter). 619.225.6132