Automatic/ Manually Operated Water Purifying System filters pebbles, sand, activated carbon, strong acid cat-ion resin and strong base an-ion resin. The Water Purifier has a multi valve feature with PVC piping and also has a flow meter, TDS meter and a pH meter. The Water Purifier has a treatment scheme for river water, lake water, canal water which it pre-treats with special procedure. Automatic / Manually Operated Water Purifying System removes the suspended impurities, turbidity and also removes colour, odour, residual chlorine and organic and inorganic pollution.