Introducing water quality

Any referenced datasets can be downloaded from "Module downloads" in the module overview.

Video quiz

When performing dynamic water quality monitoring, a substance can be modeled in what two ways?

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Step-by-step Guide

InfoWorks WS Pro is capable of dynamic water quality modelling, tracking the fate of a dissolved substance in a network over time. In the basic water quality module, a substance can be modelled in two ways: conservative and non-conservative.

Note: Modelling the chemical reactions between various dissolved solutes requires use of the complex water quality module (MSQ).

A presentation slide containing details about WQ modelling and two ways a substance can be modelled.

In addition to chemical transport, the water quality model can calculate:

  1. Changes in the age of water over time throughout the network
  2. The percentage of water reaching a network node that had its origin at a specified ‘trace node’
  3. The dominant source of water reaching the node
  4. Turbidity analysis, used to predict discoloration events

InfoWorks WS Pro considers two transport models: Eulerian and Lagrangian.

A presentation slide containing details about the Eulerian and Lagrangian transport models.

Reactions can happen both within the bulk flow and with the material along the pipe wall. To run the water quality module, both the bulk and wall reaction coefficients are required.

A presentation slide containing details about the reaction coefficients required to run the water quality module.