The DWSAP Ground Water Interface allows the visualization of Calculated Fixed Radiusdelineations for California drinking water sources. Dynamic visualizations of well protection zones can be done on specific sources. The drinking water sources are shown superimposed upon USGS Digital Raster Graphics (DRG) - also known as the USGS 7.5 minute quadrangles.
Use this tool to:
More information about the Drinking Water Source Assessment Program can be obtained from the California Department of Health Services (DHS).
To download the instructions for the New Mapping Tool, right click the link below. You must have PowerPoint to read the document.
Using the New Mapping Tool (16.4mb)