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DWR > Data & Maps > GIS and Maps

The Colorado Division of Water Resources (DWR) provides a variety of Geographical Information System (GIS) and Mapping solutions, many of which are available for download or online viewing, free of charge.

If you have any GIS questions, please contact DWR's GIS Program Manager Chris Brown by Email: or Phone: 303-866-3581 x8256.

In addition to the Online GIS / Mapping Tools listed below, you can also Buy Hard Copy Maps or Download GIS Datasets for use in ESRI ArcGIS or other GIS software.  You can also learn how DWR participates in stewardship of the state's National Hydrology Dataset (NHD) program for developing high quality surface water data.

Online GIS / Mapping Tools