Appointment of places for the emptying of drains and disposal of sewage.

The Commissioner may cause any or all of the municipal drains to empty into, and all sewage to be disposed of at such place or places as he consider suitable: Provided that no place which has been not before the commencement of this Act used for any of the purposes specified in this section shall after such commencement be used therefor without the approval of the Corporation: Provided further that on and after such date as may be appointed by the Government in this behalf no sewage shall be discharged into any watercourse until it has been so treated as not to effect prejudicially the purity and quality of the water into which it is discharged.