The Integrated Groundwater and Surface water Model 2nd Generation (IGSM2) is now called IWFM (Integrated Water Flow Model). The name change took effect September 28, 2005. The codes for IGSM2 and IWFM are identical. All documentations have been modified to reflect the new acronym of IWFM.

To download IWFM and documentation, please visit our new website location at:
(http://baydeltaoffice.water.ca.gov/modeling/hydrology/IWFM/index.cfm)