SEDCAD is a comprehensive hydrology

Hydrology

Hydrology is the study of the movement, distribution, and quality of water on Earth and other planets, including the hydrologic cycle, water resources and environmental watershed sustainability...

 and sedimentology

Sedimentology

Sedimentology encompasses the study of modern sediments such as sand, mud , and clay, and the processes that result in their deposition. Sedimentologists apply their understanding of modern processes to interpret geologic history through observations of sedimentary rocks and sedimentary...

 package, useful for runoff and sediment

Sediment

Sediment is naturally occurring material that is broken down by processes of weathering and erosion, and is subsequently transported by the action of fluids such as wind, water, or ice, and/or by the force of gravity acting on the particle itself....

 control design calculations. It is used primarily in the mining industry to design water and sediment control structures on mine property.

The current version of SEDCAD is SEDCAD 4, which is distributed through its developer, Civil Software Design, LLC.