Mapping Inventory

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NDOT has mapped stormwater assets within the NDOT right-of-way. The asset maps are available in an online GIS database and Google Earth (.kml) files. The asset mapping includes pipes, culverts, drop inlets, manholes, basins and other stormwater related assets.


The Nevada Department of Transportation (Department) has provided these data layers for informational purposes only.

Data layers were compiled from various sources and are NOT to be construed or used as a "legal description". Data layers are believed to be accurate, but accuracy is not guaranteed.  While the Department has attempted to ensure that the information contained in these data layers is accurate, the Department expressly disclaims all warranties of any type, expressed or implied, including but not limited to, any warranty as to the accuracy of the data, merchantability, or fitness for a particular purpose.  The Department does not assume any liability for any errors, omissions, or inaccuracies in the information provided regardless of the cause of such or for any decision made, action taken, or action not taken by the user in reliance upon any data provided herein.

Any errors, omissions, or other questions regarding any of the data layers can be reported to the Department's Stormwater Division through email or by calling (775) 888-7771.

GIS Stormwater Asset Map (SAM)

Note: Some assets such as pipes, drop inlets, manholes and basins are not visible when viewing large areas. Zoom in to a smaller scale and these assets will become visible.

Stormwater Asset Map (SAM) - Google Earth Files (.kmz)

he Google Earth files have been separated into 3 areas: Clark County, Washoe County, and the rest of the state. Download the Google Earth file for the area you are interested in using the links below (Note that these files are in zip format and must be unzipped prior to use):

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