Water tanks often gets dirty if not cleaned properly, so water tank cleaning and disinfection is very much demanded nowadays. Most of the countries now promote reusing the waste water that comes out of the household or industries for several purposes. For that a dedicated storage tank is used which is then treated with chemicals to remove the contaminants and pollutants. Waste water tanks are implemented in places like industrial areas and congested living areas. The water that comes out of manufacturing and other industrial process are often not usable, so authorities have introduced strategies to store this waste water in separate tanks thereafter subjecting it to several stage of filtering process.