Attention Existing Riverside County Unit Hydrograph Method (UNRIV) Users:
The County of Riverside has revised its Hydrology Manual, and CivilDesign® has updated the UNRIV program to address this revision. This update is available to existing customers at reduced cost.
A list of software changes can be downloaded from this link: Software Versions
For more information or to upgrade your software, please contact us:
234 North Arrowhead Avenue
San Bernardino, CA 92324
Tel. (909) 885-3806 Fax (909) 381-1721