US Army Corps of Engineers
Hydrologic Engineering Center

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HEC Contact Information

Software Support Inquiries: See the Support Policy webpage

Webmaster E-Mail:

Non-Corps software users:

The Hydrologic Engineering Center does not provide non-Corps users with telephone support for software issues. Inquiries and requests for assistance, to include bug reporting, must be made by email. Please see the Support Policy page for the appropriate contact information.

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

Mailing Address:
Hydrologic Engineering Center
609 Second Street
Davis, CA 95616-4687

For additional information on other Corps topics or programs at the National Level, please view the Contact Numbers for the Corps’ Headquarters Office in Washington DC.