A subcatchment in the network represents the physical area from which a manhole or other inflow node collects water. Subcatchment objects used for InfoWorks and SWMM networks are described in the following sections.

Subcatchment Data Fields (InfoWorks)

Subcatchment Data Fields (SWMM)

Creating Subcatchment Boundaries

Setting Population Values from GIS Data

Contributing Surfaces

Surface Area Take-Off

Land Use

Runoff Surfaces

Ground Infiltration

Unit Hydrographs

Subcatchments Grid

Property Sheets