During his career life he has involved in all aspects of waste water and potable water treatment, legal permit applications in terms of water treatment facilities and disposal of effluent and solid waste, completion of environmental impact assessments & studies, implementation of water and environmental monitoring systems. He has given training to j unior engineers and operating staff on basic sewage treatment . He was a project leader for the compilation of water and environmental monitoring reports, including water balances for plant water circuits and checking the accuracy of in line flow meters .

Further, when Mr. Brown was working with Anglo American Corporation, he involved in monitoring of water & waste water treatment works, including site inspections, collection & analysis of samples, on-site assessments of the works condition and process performance, examination of process analytical results and training of operators and providing consultancy services.