Effectiveness of Natural Wetland in Waste Water Treatment: A Case Study of Tibia Wetland, Limuru Municipality.

Abstract

Information on wetland function is very important as the information can be used to remove undesirable qualities of water. The aim of the study is to assess the effectiveness of natural wetlands in the treatment of waste water. The study will be carried out for a period of four months (November 2012 to February 2013). The objective of the study is to fmd out the physical chemical parameters of water from Lirnuru water and Sewerage Company and Bata Shoes Company before and after entering the wetland, and whether there is a relationship between the physico-chemical characteristics of water before and after coming out of the wetland. The parameters to be measured are pH, electrical conductivity, temperature, BOD, TDS, TSS, DO, phosphorous, chromium and nitrate. Water samples will be collected and analyzed using standard laboratory procedures. Data will be analyzed using SPSS, Microsoft excel program and results presented using graphs, charts and tables.