USGS Data Map

Data Map Options

Please wait until a new map layer is displayed before turning on/off the next layer.
Click + to turn layer on.
Click - to turn layer off.
Click linked text for additional information.
Click on map icons for additional information about that site.

Note: Drawing time may vary with connection speed and browser and charts must be displayed from the USGS installed wells page.


Multiple-depth well sites

Groundwater sites
NWIS groundwater sites (well)

Surface-water and spring sites
NWIS surface-water sites (estuary, lakes, streams, & spring)

Project study area
Project developed data

Project study area subbasins
Project developed data

Geology from CA Geological Survey
These datasets will be replaced soon.

Recent Earthquakes
USGS earthquakes


Questions about San Diego Hydrogeology? Please contact Wes Danskin (email: wdanskin@usgs.gov or send a letter). 619.225.6132