Stormwater Mapping

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NDOT has mapped stormwater assets within the NDOT right-of-way. The asset map is viewable in your browser and the data is also available as Google Earth (kmz) files. The asset mapping includes outfalls, drop inlets, manholes, treatment structures, pipes, channels and basins.

GIS NDOT Stormwater Asset Map (SAM)

NDOT Stormwater assets are not visible when zoomed out past 1:250,000. Zoom in to a smaller scale and these assets will become visible. This map also includes water quality assessment data (303d) from the EPA, MS4 permit boundaries, and NDOT maintenance facilities and material sites.

NDOT Active Construction Contracts Map

This map shows selected information about active NDOT construction projects.

NDOT’s Stormwater Planning Team has prepared a map showing NDOT’s prioritization of areas in the state based on potential impacts to surface waters. Priority 1 areas have the highest potential impact to water quality. Priority 2 areas have a moderate potential impact to water quality. Priority 3 areas have the lowest potential impact to water quality and consist of all areas that are not Priority 1 or Priority 2.

NDOT Stormwater Asset Google Earth Files (KMZ)

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

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.

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