Tariff for use or disposal of water.

(1) The Authority shall recommend to the Government, tariff for all uses of surface water and use and disposal of treated wastewater. (2) The tariff shall be determined by the Authority and shall be based on the principles of economy, efficiency, equity and sustainability, in such manner, as may be prescribed. As far as possible, the tariff shall be based on volumetric measurements of water consumption and shall be designed reasonably.