Rain water can be harvested ...

Rain water can be harvested and stored directly in storage tanks. This water is potable after first rain and can be used for drinking purpose also. At height the sufficient velocity of air found, so you can use wind energy and also solar energy source.When perennial reliable and safe source is not available, pipeline from distant sources can be laid. This bulk water is available from river, pond, dam, bore wells or storage tank itself, where water is available. Water from source is treated at village level and even at household level, if needed. If bulk water available from the distant source is treated and potable, then further treatment may not be required at village level.