Hyderabad Metropolitan Water Supply & Sewerage Board (HMWSSB) was constituted on 1.11.1989 under the provisions of Hyderabad Metropolitan Water Supply and Sewerage Act 1989 (Act No . 15 of 1989 ) , with the following Functions & Responsibilities in the Hyderabad Metropolitan Area.

1. The Supply of potable water including planning, design, construction, maintenance, operation & management of water supply system.

2. Sewerage, Sewerage Disposal and sewerage treatment works including planning, design, construction, maintenance, operation & management of all sewerage and sewerage treatment works.