Maps and GIS The County Sanitation Districts of Los Angeles County (Districts) are making available several Maps and Geographical Information Systems (GIS) data layers for download on this website. This data is provided to expedite and enhance delivery of the Districts' data to the public. As a professional courtesy, we ask that if you receive any requests from others for Districts' data, you forward these requests to the Districts rather than passing along Districts' data. Additionally, please assist in data maintenance by informing the Districts of any errors or discrepancies found in the data.
Available Maps
Available LACSD GIS Data DISCLAIMER Prior to any excavation, please call Underground Service Alert (by dialing 811) and the Districts’ Public Counter (562) 908-4288, extension 1204 or 1205, to obtain more accurate information about the location of Districts’ subsurface facilities. The Districts have developed the GIS data and related information files (collectively, the “Information”) for their own internal use, and provide it to the public only to comply with the California Public Records Act (Cal. Gov. Code § 6250 et seq.). The Districts therefore disclaim liability for any other person’s reliance on the Information. The Information depicts approximate locations of property, facilities and boundaries. For non-Districts property, facilities and boundaries, the requestor is encouraged to go to the owner to obtain the most accurate representation of the data. Reasonable efforts have been made to ensure accuracy, but the Information may have spatial and other errors and should not be relied upon for surveying, engineering, excavation, construction, or related purposes. The Information is dynamic and is subject to change without notice.
The Information is transmitted by way of a bundle of files, any of which may be inadvertently corrupted with malware (viruses, Trojan Horses, etc.) or bugs, for which the Districts shall have no liability.THE INFORMATION IS PROVIDED ON AN "AS IS", "AS AVAILABLE" BASIS AND THE DISTRICTS EXPRESSLY DISCLAIM ALL WARRANTIES (express and implied), INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
All GIS data layers provided are in the California State Plane Coordinate System, NAD83, Zone V, US Survey Feet. Data | Meta-data | Description | 
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| Sanitation Districts Boundaries | | | Facilities | | | Sphere of Influence |
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