The 6.02.75 version of SPAW Hydrology is provided as a free download on our website. The software relates to Education Tools. This free PC software was developed to work on Windows XP, Windows 7, Windows 8, Windows 10 or Windows 11 and is compatible with 32-bit systems. Our built-in antivirus scanned this download and rated it as virus free. This free tool was originally created by USDA. The most popular versions among SPAW Hydrology users are 6.1 and 6.0.
From the developer:
SPAW Hydrology is a water budgeting tool for farm fields, ponds, and inundated wetlands. The program performs daily hydrologic water budgeting using the SCS Runoff Curve Number method. It provides water budgeting modeling for small pond/reservoir/lagoon as well as a statistical analysis of pond inundation cycles based on the wetland growing season.
You may want to check out more software, such as Hydrology Studio, RTOPO Hydrology or HEC-HMS, which might be similar to SPAW Hydrology.