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Colorado NHD Stewardship Program 
DWR > Data & Maps > GIS and Maps > NHD Stewardship
 

The Colorado Division of Water Resources (CDWR) is officially the steward of the National Hydrography Dataset (NHD) for the State of Colorado.  Since 2009, CDWR has provided technical assistance to the USGS involving revisions and content affecting the NHD in Colorado. 

For questions concerning use and content of the NHD in Colorado, contact Chris Brown at CDWR at Chris.k.brown@state.co.us.

For more information on the National Hydrography Dataset go to:  http://nhd.usgs.gov/.