IWQI background

The explanation of the water quality parameters for non-specialists and the common public is not easily understandable. IWQI proved to be an easy way to provide citizens and policymakers with information on water quality.

IWQI uses data on water quality and helps modify the environmental policies designed by environmental agencies.

Indicators can compare sites and track changes at one site over time.

Panel members were polled by mail using questionnaires.

A developed water quality index also depends on the Delphi method and the questionnaire was sent to panel members using a Google form, where the selection of parameters included in our model was subjected to local and international opinions of experts in the aquatic environment to determine the importance of each parameter in IWQI and for each water uses. The primary aim of water quality indices is to give a single value for water quality by converting the data on the components and their concentrations in a sample into a unique number, so comparing different samples for their quality will be easy based on each sample's index value.

Problem Statement

Assessing water quality with a large amount of data is difficult, and the inability to interpret these data for non-specialists and a public audience, so the use of a water quality index in order to solve this problem to inform about the real status of the aquatic system especially nowadays the fresh water is threatened by low quality and quantity that's related to climate change.

IWQI properties

  • WQI works by condensing selected parameters into a single unitless score, allowing one to notice the changes in water over time or comparisons between different water bodies.
  • 70% of the data was used for building this Water Quality Index (IWQI) model, and 30% was used for testing the model. Multiple scenarios revealed the effect of the increasing number of parameters on the index value.
  • This IWQI gave the possibility to the user to eliminate any parameter from the index on one condition: the summation of the final weight never falls below 0.7
  • The IWQI application is easy to use, and you can enter the data at any time and place to reveal the water condition.
  • Many local and international environmental agencies around the world can use this IWQI.