Water pollution and waste disposal problems in the Thika Area, Kenya

Abstract

Thirty three surface water samples, thirty one groundwater samples and nine samples of sewage and industrial effluents were collected and analysed for various parameters mainly for Biological Oxygen Demand (BOD), Chemical Oxygen Demand (COD), nitrate, phosphorus an~ metals. Data on solid waste disposal methods and their geoenvironmental consequences as well as the chemical !biological characteristics of aquifers in the study area were collected. Factor analyses and Pearsons product moment correlation coefficient were used to analyse the analytical data.