The process of biodegradation is a well-established and powerful technique for treating domestic and industrial effluents [28]. The performance of a biological process is often enhanced through bioaugmentation of one or more species of specialized microorganisms [55] and [56]. Microbial populations have an amazing and extensive capacity to degrade variety of organic compounds [29]. Naturally occurring microorganisms thrive on many of the complex compounds contained in wastewater. Small size, high surface area-to-volume ratio and large contact interfaces with their surrounding environment, are some of the ideal features of microorganisms as bioindicators of chemical pollutants [54].