InfoWorks ICM Ground Infiltration Cheatsheet

Mel Meng
Feb 15, 2023

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InfoWorks ICM Ground Infiltration simulates the complicated long term hydrological cycle of sewer infiltration over seasons. Most modelers with a Civil background are not familiar with these concepts, and here are a few diagrams to give you a fast start.

Ground Infiltration Process Overview

Input Parameters

Ground Infiltration Parameter Mapping

Absolute vs Relative Threshold

The input data and initial condition vary significantly for different threshold type. For a node with an invert of 200ft,

Absolute vs Relative
Example to set Ground water level at elevation close to node invert when using Relative option

Evaporation

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