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Data & Maps

HydroData

U.S. Department of the Interior (DOI) Bureau of Reclamation

United States

Land-based Station

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HydroData is the U.S. Bureau of Reclamation’s hydrologic database access portal. Through interactive maps and charts, users can view:

Reservoir data (including storage, inflow, releases, elevation, and more)
Gage data (flow, flow volume, and side inflows)
Basin maps (including current reservoir capacity and current and historical snow and precipitation charts).

Access

HydroData Navigator

Reservoir Data
Klamath Basin Data
Gage Data
Basin Status Maps

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