Natural water purification system for local community

A simple household level natural water purification system to purify water to meat small family requirement. It disused with six important components including Storage, Sedimentation, Biological treatment, and Filtering, Disinfection and Drinking water storage. During the treatment process Electrical conductivity and Total Dissolved Solids values is not changed but pH is slightly increased in the bio treatment compartment due to excretion of ammonia form by the fish. A Significant change of Coli form bacterial count between UV treatment together with sand and Charcoal filter with comparing drinking water tank It is 90.95% reduction comparing with raw water E coli count is completely removed from this treatment process.