The water supply in Hyderabad is charged according to consumer usage. There are different slabs of usage. You will be charged according to the slab in which your water usage falls. For every usage slab, there is a minimum charge along with a water tariff for each kiloliter of water used. The lowest slab of water usage is within 15 KL, for which the minimum usage charge is Rs 212 with a rate of Rs 10/KL of water used. The minimum charge and the rate keep on increasing until they reach the highest slab of water supplied for domestic purposes, which is 200 KL and above.