Water with high concentration of minerals is hard water. Water is essential for life. But water with veryhigh degrees of hardness is harmful to health. 120 samples of ground water samples were collected romone town and two different villages. Hardness of water can be determined by EDTA tritrimetric method.Out of all the samples tested 39 (32.5%) samples were moderately hard, 76 (63.33%) samples were hardwater and 5 (4.16%) samples were very hard water. Extreeme degrees of hardness is dangerous to health.The present study did not revealed any soft water. There is a false notion that hard water is harmful tohealth, its not hard water, its very hard water (>180ppm). The minerals that are supplemented to bodythrough water will be beneficial to health in several ways. So public should be educated about degrees ofhardness Key words: and its effects.
