Valuing Water as an Economic Good in the Kilombero River Catchment, Tanzania: Where Does It Return the Most?
DOI: https://doi.org/10.56542/wi.jwempo.v3.i1.a1.2026

Abstract: Across the world, the importance of water in production sectors is unparalleled. About 70% of freshwater withdrawals are used in agriculture, roughly 20% and 10% for industries and domestic uses respectively. These multiple strategic water users in a catchment such as Kilombero, presents managers [...] Read more


Multi-Criterial Optimization Model for Faecal Sludge Management in Informal Settlement: Balancing Technical Feasibility, Financial Sustainability, and Community Participation in Mwanza, Tanzania.
DOI: https://doi.org/10.56542/wi.jwempo.v3.i1.a6.2026

Abstract: Proper faecal sludge management in urban informal settlements continues to be a significant sanitation challenge in Sub-Saharan Africa. This research presents an extensive multi-criteria optimization model that integrating technical, financial, and social aspects of Faecal sludge management in Igog [...] Read more


Evaluating the Suitability of Wami River Water for Irrigation in Dakawa, Tanzania: A Seasonal Hydrochemical and Index-Based Analysis
DOI: https://doi.org/10.56542/wi.jwempo.v3.i1.a5.2026

Abstract: Water is an essential natural resource that supports life and social-economic development, with agricultural irrigation accounting for the largest share of global water consumption. However, in-creasing anthropogenic activities continue to affect both quality and quantity of water resources. Thi [...] Read more


FACTORS INFLUENCING ACCESS TO SAFE DRINKING WATER BETWEEN LOW-INCOME AND NON-LOW-INCOME HOUSEHOLDS IN MAINLAND TANZANIA
DOI: https://doi.org/10.56542/wi.jwempo.v3.i1.a2.2026

Abstract: The study aimed at determining factors which influenced access to safe drinking water between low-income and non-low-income households in mainland Tanzania. The study applied Multidimensional Poverty Index, GIS spatial analysis, binary logistic regression and Blinder-Oaxaca decomposition for an [...] Read more


An Empirical Study on Success Factors for the Design and Build Approach in Tanzania’s Water Sector
DOI: https://doi.org/10.56542/wi.jwempo.v3.i1.a3.2026

Abstract: The Design and Build method has become increasingly adopted in Tanzania’s water supply projects, yet the role and contribution of local contractors remain uncertain. The study aimed to assess the critical success factors influencing the Design and Build method in Tanzania’s water supply proje [...] Read more


Safeguarding the Future of Lake Tanganyika: A Review of Environmental and Socioeconomic Sustainability
DOI: https://doi.org/10.56542/wi.jwempo.v3.i1.a7.2026

Abstract: Lake Tanganyika is one of the oldest and biggest freshwater lakes in Africa. This lake is facing serious pressure from growing human activity which affect its ecosystem and sustainability. Pollution of the lake which mostly comes from farming runoff and deforestation, along with shifting climate p [...] Read more


Seasonal Abundance and Spatial Distribution of Microplastics in Water and Sediments of Tropical Urban–Agricultural River System; A case of Ngerengere River, Tanzania
DOI: https://doi.org/10.56542/wi.jwempo.v3.i1.a8.2026

Abstract: Aquatic ecosystems are globally contaminated with microplastics (MP), making water resources in developing countries not spared from this problem. However, data on microplastic levels in Tanzanian’s freshwater systems is still scarce. Therefore, this study assessed the microplastic abundance [...] Read more