Analysis of Water Pollution and Its Impact on Public Health in Minna, Niger State

CHAPTER ONE

1.0 Introduction

Water is an essential natural resource that sustains all forms of life on Earth. It is required for drinking, sanitation, agriculture, and industrial activities. However, water pollution has become a major environmental and public health problem in many developing countries, including Nigeria. The contamination of water bodies by domestic, agricultural, and industrial waste threatens both human health and aquatic ecosystems.

In Minna, Niger State, rapid urban growth and poor waste management have significantly reduced the quality of available water sources. Many residents rely on streams, shallow wells, and boreholes that are often contaminated with harmful substances. According to Audu and Yakubu (2021), most surface waters in Minna show high levels of pollutants such as nitrates, heavy metals, and coliform bacteria, which exceed recommended limits set by the World Health Organization (WHO). Therefore, analyzing the causes and effects of water pollution in Minna is essential for improving public health and environmental sustainability.

1.1 Background to the Study

Water pollution occurs when harmful substances—such as chemicals, pathogens, or sediments—enter water bodies, altering their composition and reducing quality. This problem often results from human activities such as indiscriminate waste disposal, agricultural runoff, and industrial effluents. World Bank (2020) reported that over 70% of surface water in sub-Saharan Africa is polluted due to poor sanitation and inadequate environmental regulations.

In Minna, the major sources of water pollution include open defecation, refuse dumping near water bodies, and effluent discharge from small-scale industries. Residents of densely populated areas such as Bosso, Chanchaga, and Tunga often depend on untreated water for domestic use. As a result, waterborne diseases like typhoid fever, cholera, and dysentery are common among households. Eze and Suleiman (2022) noted that seasonal flooding also worsens contamination as waste materials are washed into rivers and wells.

Understanding how polluted water affects human health helps in designing interventions to protect communities. This study therefore analyzes water pollution and its impact on public health in Minna, Niger State, with a focus on identifying key pollution sources and recommending sustainable control measures.

1.2 Statement of the Problem

Water is essential for survival, yet many communities in Minna lack access to clean and safe drinking water. The use of contaminated water has led to frequent outbreaks of waterborne diseases. Poor waste management practices, open drains, and improper sewage disposal contribute to widespread pollution. Furthermore, there is limited monitoring of water quality, which makes it difficult to assess the extent of contamination and its health effects.

Although government agencies have made efforts to improve sanitation and water supply, the results remain inadequate. The growing population continues to exert pressure on existing water infrastructure. Hence, this study seeks to analyze the major causes of water pollution in Minna and evaluate how it affects public health.

1.3 Aim and Objectives of the Study

The main aim of this study is to analyze water pollution and its impact on public health in Minna, Niger State.

The specific objectives are to:

1. Identify the major sources of water pollution in Minna.

2. Assess the level of contamination in selected water sources.

3. Examine the relationship between water pollution and the incidence of waterborne diseases.

4. Recommend effective strategies for reducing water pollution and improving water quality.

1.4 Research Questions

1. What are the major causes of water pollution in Minna?

2. How polluted are the available water sources in the study area?

3. What are the public health implications of consuming contaminated water?

4. Which measures can be implemented to reduce water pollution in Minna?

1.5 Significance of the Study

This study is significant because it highlights the connection between environmental degradation and public health in Minna. The results will provide useful data for environmental agencies, public health authorities, and policymakers. By identifying the major pollutants and their health implications, the study will help design effective strategies for improving water quality and reducing disease outbreaks.

The findings will also raise awareness among residents about the importance of proper sanitation and safe water handling. Furthermore, this research aligns with Sustainable Development Goal (SDG) 6, which aims to ensure clean water and sanitation for all. It promotes environmental sustainability and supports public health protection in Niger State.

1.6 Scope of the Study

The study focuses on Minna metropolis and surrounding communities within Niger State. It examines both surface and groundwater sources, including wells, boreholes, and streams. The study assesses levels of pollutants such as nitrates, heavy metals, and microbial contaminants. It also investigates the prevalence of waterborne diseases among residents. However, the study does not include detailed laboratory analysis of all chemical compounds due to time and financial constraints.

1.7 Definition of Key Terms

• Water Pollution: The introduction of harmful substances into water bodies, making them unsafe for use.

• Public Health: The science of preventing disease and promoting health among populations.

• Waterborne Diseases: Illnesses caused by microorganisms present in contaminated water.

• Effluents: Liquid waste or sewage discharged into rivers or drains.

• Sanitation: Practices that promote hygiene and prevent the spread of disease through proper waste disposal.

References

Audu, I. M., & Yakubu, M. L. (2021). Assessment of surface water pollution in Minna, Niger State. Nigerian Journal of Environmental Science, 17(2), 51–67.
Eze, P. O., & Suleiman, T. M. (2022). Urban growth and water quality degradation in Niger State, Nigeria. Environmental Research Letters, 14(3), 22–35.
World Bank. (2020). Water Quality and Sanitation in Sub-Saharan Africa: Regional Overview. Washington, D.C.