The Hydrologic Engineering Center (HEC), an organization within the Institute for Water Resources, is the designated Center of Expertise for the U.S. Army Corps of Engineers in the technical areas of surface and groundwater hydrology, river hydraulics and sediment transport, hydrologic statistics and risk analysis, reservoir system analysis, planning analysis, real-time water control management and a number of other closely associated technical subjects. HEC supports Corps field offices, headquarters, and laboratories by providing technical methods and guidance, water resources models and associated utilities, training and workshops, accomplishing research and development, and performing technical assistance and special projects. The products that are developed from these activities are for the Corps but are available to the public and may be freely downloaded from this web site.

HEC Telephone:  (530) 756-1104
HEC Fax:  (530) 756-8250

Webmaster E-mail Address:

Mailing Address:
   Department of The Army
   Corps of Engineers
   Institute for Water Resources
   Hydrologic Engineering Center
   609 Second Street
   Davis, CA 95616-4687