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The Hydrologic Engineering Center (HEC) has been developing computer software for hydrologic engineering and planning analysis procedures since its inception in 1964. Although our software is developed to meet the needs of the U.S. Army Corps of Engineers' planning and engineering communities, we do make our software available to the public whenever appropriate. The HEC software that we make available for download on our web site may be used by individuals outside of the Corps of Engineers without charge, subject to the Terms and Conditions of Use for HEC Software.

In the past, for non-Corps users, HEC had provided a list of possible vendors for assistance or support for HEC software. As of 1 October 2008, HEC is no longer providing this list (Vendor List). USACE counsel has determined that the inclusion of this list could be interpreted as HEC recommending specific vendors over other vendors that are not included in the list. Therefore, by direction of USACE counsel HEC has discontinued this practice and has removed the list from our web site. Non-Corps individuals that contact our office to inquire about engineering support will be told to use any internet search engine to locate a vendor that can provide support for the specific HEC software.