Journal of Water Resources, Engineering, Management and Policy

Articles

Water resources

Emmanuel Efrass Chugu, Magori Jackson Nyangi, Makarius Christian Lalika
20 November 2025

Assessment of Heavy Metals Contamination in Tributaries at Musoma and Tarime Towns

DOI: https://doi.org/10.56542/w.jwempo.v2.i2.a5.2025

Abstract: Water contamination by heavy metals poses serious environmental and public health threats, particularly in urban and agricultural regions where human activities intensify pollution. This study aimed to determine the levels of heavy metal contamination in urban tributaries along Musoma and Ta [...] Read more

Management in Water sector

Anna Michael Mgimba, Livingstone Swilla, William Senkondo
20 November 2025

Numerical Evaluation of the Mtibwa Sugar Estates Earthfill Dam Safety, in Turiani-Morogoro,Tanzania.

DOI: https://doi.org/10.56542/w.jwempo.v2.i2.a3.2025

Abstract: Earthfill dams are vital for water supply, irrigation, and flood control, but their safety can be threatened by structural weaknesses and poor maintenance. This study evaluates the safety of the Mtibwa Sugar Estates Earthfill Dam in Turiani, Morogoro Region that supports irrigation and eco [...] Read more

Water resources

Onesmo Zakaria Sigalla, Reuben Mpuya, Joseph Kadigi
20 November 2025

Profitability Analysis of Paddy Farming Systems in Wetland Areas: An Additional Layer to Curing Maladaptation

DOI: https://doi.org/10.56542/w.jwempo.v2.i2.a2.2025

Abstract: Agriculture contributes 28.9% of Gross Domestic Product; about USD 1 Billion to total export value and employs about 65% of Tanzanians. Identifying opportunities for enhancing profitability of the sector is paramount to informing choices of sustainable pathways. In the absence of such information [...] Read more

Technical and managerial issues in Water sector

David Lyson Mkondya, Adam Omary Karia, Doglas Benjamin Mmasi
20 November 2025

Infrastructure Condition Index Assessment of Water Supply Systems in Rural Tanzania: A Case Study of Namtumbo and Rwinga Wards

DOI: https://doi.org/10.56542/w.jwempo.v2.i2.a1.2025

Abstract: This study addresses the critical knowledge gap in systematic assessment and maintenance of existing rural water infrastructure in “sub-Saharan Africa,” where other studies focused primarily on access expansion rather than condition monitoring of operational systems. A comprehensive Inf [...] Read more

National, Regional and International policies in Water sector

Rafik Hirji
11 July 2025

Strengthening Africa's Capacity for the Integrated Management of Lakes and Reservoir Basins

DOI: https://doi.org/10.56542/wi.jwempo.v2.i1.a6.2025

Abstract: Drawing from over three decades of international experience, this policy review article advocates for establishing an African Centre to enhance Tanzania's and Africa's capacity to manage lake and reservoir basins comprehensively, highlighting their importance for water security, climate resilience [...] Read more

Water resources

Irene A. Tarimo
30 June 2025

Assessment of Kaolinite as a Natural Remediation Agent for Lead (Pb) Contamination in Groundwater in Mirerani, Tanzania

DOI: https://doi.org/10.56542/wi.jwempo.v2.i1.a7.2025

Abstract: This study explores the efficacy of kaolinite as a natural remediation for lowering lead (Pb) concentrations in groundwater resources in the Mirerani Manyara Region, Tanzania. The mining site exhibited a notably high mean Pb concentration of 0.025 mg/L, which exceeds the World Health Organizati [...] Read more

Water resources

Silaji Salim Mbonaga, Amina Amri Hamad, Stelyus Lazaro Mkoma
30 June 2025

Local Residents' Preferences for the Delivery of Ecosystem Services of Urban Freshwater Ecosystems in Developing Countries; A Case Study of Ngerengere River, Morogoro

DOI: https://doi.org/10.56542/wi.jwempo.v2.i1.a5.2025

Abstract: Effective management and future restoration efforts of urban riverine ecosystems require a deep understanding of how various residents prefer and rely on different types of ecosystem services (ES). We used both qualitative and quantitative data collection methods including a household-level questi [...] Read more

Water resources

William Senkondo
30 June 2025

Uncertainties Associated with Climate Change Projections on Future Water Resources in Kilombero River Basin, Tanzania

DOI: https://doi.org/10.56542/wi.jwempo.v2.i1.a4.2025

Abstract: While there have been efforts in improving climate change impact uncertainty using ensembles of climate models, there has been less focus on the combined effect of climate models and hydrological model uncertainty. In this study, the impact of climate change on the hydrological regime of the Kilo [...] Read more

Water resources

Mnega H. Chogohe, Andrew K. P. R. Tarimo, Festo R. Silungwe
30 June 2025

Performance Evaluation of Kigugu Irrigation Structures

DOI: https://doi.org/10.56542/wi.jwempo.v2.i1.a3.2025

Abstract: This study assessed the condition and functionality of the Kigugu Irrigation Scheme in Tanzania, chosen due to its unique status as a previously rehabilitated system lacking comprehensive evaluation. Through farmer interviews, visual inspections, and maintenance record reviews, quantitative metric [...] Read more

Water resources

Irene Aurelia Tarimo
30 June 2025

Assessment of Water Quality at River Karanga in Moshi Municipality, Kilimanjaro Region, Tanzania

DOI: https://doi.org/10.56542/wi.jwempo.v2.i1.a2.2025

Abstract: This study assessed water quality in Karanga River, Kilimanjaro Region, Tanzania. It employed quantitative and qualitative purposive effluents water sampling from two selected points along Karanga River stations, one from point source and to the consumer level at Shirimatunda Ward for comparisons. [...] Read more