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Drainage Manual


The Nevada Department of Transportation (NDOT) has prepared the Drainage Manual (Manual) to provide a summary of NDOT policies and criteria pertaining to hydrology and hydraulics. Technical information is generally not provided and only technical references are cited. This manual is also subject to modification, revision, and addendum as conditions warrant.

Download the NDOT Drainage Manual. (1.68 Mb - 2nd Edition December, 2006).

Contact Information

 Questions regarding NDOT drainage policies and procedures are encouraged, and should be directed to:


Nevada Department of Transportation

Hydraulics Section

Phone: (775) 888-7619