This is Reclamation's new hydrologic database access portal. We encourage everyone to take a look at our new and improved access portal and begin plans to transition to this improved data delivery source.
Data Retrieval (apps nearing end of life)
The Snowpack Conditions Map has been decommissioned to see current and historical snowfall data please visit the HydroData Basin Maps link above.
Reports and Studies
5-Year Probabilistic Projections
Colorado River System Projections Overview
Colorado River Basin Water Supply & Demand Study
Climate Research & Development in the Colorado River Basin
Colorado River Basin Natural Flow & Salt Data
Working Group Information
Aspinall Working Group
Flaming Gorge Working Group
Flaming Gorge Technical Working Group
Fontenelle Working Group
Navajo Dam Technical Working Group
Glen Canyon Dam Adaptive Management Program
General Info & Links
Climate & Weather Data
Colorado Basin River Forecast Center
Natural Resources Conservation Service Snow/Precipitation Data
National Oceanic and Atmospheric Administration’s National Integrated Drought Information System
Roster of Water User Organizations
Please contact the Operations Group via e-mail at ResourceMgr@usbr.gov for additional questions or information.