XP-SWMM allows the direct import of EPA SWMM 4.X files and XP Software has also created a converter to import the most recent versions of 4.4 by creating an XPX (ASCII) file as an intermediate step. This XPX file is a standard import file for XP products.

Anthony Kuch
XP Software Inc.
anthony@xpsoftware.com <mailto:anthony@xpsoftware.com>