Predicting Urban Water Consumption and Health Using Artificial Intelligence Techniques in Tanganyika Lake, East Africa

Author:

Niyongabo Alain123ORCID,Zhang Danrong14,Guan Yiqing1,Wang Ziyuan1,Imran Muhammad1ORCID,Nicayenzi Bertrand5,Guyasa Alemayehu Kabeta1ORCID,Hatungimana Pascal3

Affiliation:

1. College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China

2. Burundian Agency of Rural Hydraulics and Sanitation (AHAMR), RN2, Gitega P.O. Box 176, Burundi

3. Faculty of Engineering Sciences, University of Burundi, Belvedere Road, Bujumbura P.O. Box 2720, Burundi

4. College of Geography and Remote Sensing, Hohai University, Nanjing 210028, China

5. College of Civil Engineering and Transportation, Hohai University, Nanjing 210098, China

Abstract

Water quality has significantly declined over the past few decades due to high industrial rates, rapid urbanization, anthropogenic activities, and inappropriate rubbish disposal in Lake Tanganyika. Consequently, forecasting water quantity and quality is crucial for ensuring sustainable water resource management, which supports agricultural, industrial, and domestic needs while safeguarding ecosystems. The models were assessed using important statistical variables, a dataset comprising six relevant parameters, and water use records. The database contained electrical conductivity, pH, dissolved oxygen, nitrate, phosphates, suspended solids, water temperature, water consumption records, and an appropriate date. Furthermore, Random Forest, K-nearest Neighbor, and Support Vector Machine are the three machine learning methodologies employed for water quality categorization forecasting. Three recurrent neural networks, namely long short-term memory, bidirectional long short-term memory, and the gated recurrent unit, have been specifically designed to predict urban water consumption and water quality index. The water quality classification produced by the Random Forest forecast had the highest accuracy of 99.89%. The GRU model fared better than the LSTM and BiLSTM models with values of R2 and NSE, which are 0.81 and 0.720 for water consumption and 0.78 and 0.759 for water quality index, in the prediction results. The outcomes showed how reliable Random Forest was in classifying water quality forecasts and how reliable gated recurrent units were in predicting water quality indices and water demand. It is worth noting that accurate predictions of water quantity and quality are essential for sustainable resource management, public health protection, and ecological preservation. Such promising research could significantly enhance urban water demand planning and water resource management.

Publisher

MDPI AG

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