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Welcome to Colorado's Decision Support Systems (CDSS) developed by the

Colorado Water Conservation Board cwcb_logo.gif
dwr_logo.gif Colorado Division of Water Resources

Colorado's Decision Support Systems (CDSS) is a water management system being developed by the Colorado Water Conservation Board and the Colorado Division of Water Resources. The goal of this system is to assist in making informed decisions regarding historic and future use of water.

  • The area shaded green was developed as part of the Colorado River Decision Support System (CRDSS), which includes Division 4 (Gunnison River Basin), Division 5 (Colorado Main Stem), Division 6 (White and Yampa Rivers), and Division 7 (San Juan and tributaries).
  • The area shaded blue was developed as part of the Rio Grande Decision Support System (RGDSS), which includes Division 3 (Rio Grande Basin).
  • The area shaded red is under development as part of the South Platte Decision Support System (SPDSS), which includes all of Division 1 plus Water District 47 (North Platte River Basin). It excludes the Republican River Basin (Water Districts 49 and 65).
  • The area shaded white is currently in the planning stages for a DSS and includes Division 2 Arkansas River. At present time a limited amount of data is already available.
  • The area shaded grey is envisioned for future development and includes Water District's 49 and 65 of Division 1 (Republican River).

What's available...



Overviews A number of overview documents are available about the Decision Support Systems, including: Annual Reports, Fact sheets, Information Brochures, and Newsletters.
Basin All Task memoranda, Software, GIS files, newsletters, and technical memoranda grouped by drainage basin.
View Data The Decision Support System provides a wide range of water related research tools that are available online free of charge. These tools enable users to retrieve water data contained within HydroBase; including streamflows, lake levels, water rights, diversion records, calls, etc.
Map Viewer A map based tool available online free of charge. This tool enables users to view data layers on a map. Layers include Climate Stations, Stream gages, Diversion structures, Well Permits, Land Use studies, etc.
Products A list of all of the products produced by the Decision Support System. Includes links to Consumptive Use, Data Management Interfaces (DMI) Utilities, GIS data, Ground Water Model, Surface Water Model, Water Budget, and all other products.
Search Search the CDSS website by keyword(s).


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