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San Diego

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Geographic Information System (Maps and Records)

Map-related information for the water and sewer systems operated by the City of San Diego is available through the Asset Management Program, Geographic Information Systems (GIS) Section of the Public Utilities Department.

Services provided to the public include:

  • Publicly-available GIS data - Sewer mains, manholes, water mains and water hydrants are available for download as GIS shapefiles from the SanGIS website. Other mapping data (e.g. parcels, roads, jurisdictions) are also available for viewing on the SanGIS interactive map. SanGIS also provides custom mapping services, as detailed further on the services section of its website.
  • Water service connection locations - Identification of the location of the water service location at your property. However, we do not have information regarding where private waterlines are located within your private property. For that information, you may want to contact a licensed plumber. Please see the Your Water Plumbing System webpage for more details.
  • Sewer lateral locations - Identification of the location of the sewer lateral to your property. Please note that it is the property owner's responsibility to maintain their sewer lateral all the way to the connection with the City's sewer main. Please see the Your Sewer Plumbing System webpage for details.
  • Water pressure calculation - Public Utilities can provide you with a calculated estimate of the water pressure range for your property. See the Water Pressure webpage for more information.
  • The GIS Section does not provide plans to the public. For copies of City of San Diego as-built construction plans, please contact the Development Services Department - Records Section at 619-446-5200

Contact Information

Service is by appointment only, 24 hours in advance.

Service hours are Tuesday through Thursday, from 1 to 4 p.m. (closed on City holidays)

To schedule an appointment, call 619-527-7482 or email [email protected]

The Geographic Information Systems Section has been relocated due to construction. PDF icon View Area Map

619-527-7482 (For emergencies, please call 619-515-3525)

[email protected]


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