Department of Water Resources Home
IEP Banner

I.E.P. HEC-DSS Time-Series Databases

Important Notice

The Department of Water Resources and the Interagency Ecological Program are no longer maintaining or hosting queries for the HEC-DSS Time-Series Data System. This HEC-DSS data is provided here as an archive available for downloading as DSS data files. In 2012, DWR/IEP will release a standardized and modernized system for IEP Time Series Data.

Return to IEP Data Site


The Department of Water Resources does not guarantee the accuracy, completeness, timeliness, or correct sequencing of the data contained in or retrieved from the IEP time Series data archive files presented here. The data has not been reviewed for accuracy. DWR shall not be responsible for any errors or omissions or results obtained from this information.

Archived Data Sets:

This data follows the Army Corps of Engineer's Hydrologic Engineering Center Data Storage System format (HEC DSS). This data can be viewed, queried, and extracted using the DSS Vue program and utilities provided at the Army Crops of Engineers HEC DSS website: