ERWAT provides bulk wastewater conveyance and a highly technical and proficient wastewater treatment service to some 2 000 industries and more than 3, 5 million people who have access to sanitation services. It is currently custodian of 19 wastewater care works, treating a combined capacity of some 696 megalitres of wastewater per day. The majority of the operations are in the Ekurhuleni Metropolitan Council (Eastern Gauteng) .