CHAPTER ONE

 INTRODUCTION

1.1           Background to the Study

Water has been identified to be very important to human existence because it is very necessary for survival.A reliable supply of clean wholesome water is crucial in an attempt to promote healthy living amongst the inhabitants of a well defined geographical region (Mustapha and Adam, 1999). In an attempt to proffer solution to water problem, it was estimated that 1.2 billion people around the world does not have access to clean safe water and about 2.5 billion people are not provided with adequate sanitation (Third World Water Forum, 2003). Majority of the affected people that lack access to clean safe water and adequate sanitation are located in the developing countries because the standard industrialized global model for safe water delivery and sanitation technology is not affordable (Gadgil and Derby, 2003).