The HBGuest and Surface Water Conditions web services are deprecated as of July 1st 2018 and will no longer be available after October 1st 2018.
Deprecation means the HBGuest and Surface Water Conditions web services are no longer being actively developed or supported. These web services will be retired on October 1st 2018. As a result we recommend and encourage you to move to the new Colorado Division of Water Resources REST Web Services, which are actively supported and developed.
The list of current Colorado Division of Water Resources REST Web Service data element are listed here. The Tech Info/Help documentation is here.
Download HydroBase Online data for modeling and analysis
Download ColoradoWaterSMS data for modeling and analysis