East Rand Water Care Company

A truly indigenous South African wastewater company providing bulk wastewater conveyance and a highly technical and proficient wastewater treatment service to some 2 000 industries and more than 3,5 million people.

Provision and maintenance of process control systems

Advanced chemical and bacteriological laboratory services

Research and development in water-related areas

Industry-specific training in both the scientific and operating fields

Physical Address: Lancaster Road, Benoni

The Benoni works is situated within the DD5 drainage district. Built in 1935 and upgraded on several occasions over a period of time, the works is designed to treat 16 megalitres of industrial and domestic wastewater from the Actonville, Apex and Benoni central areas. Conventional biological filtration is employed as the main treatment process.

A central inlet works, incorporating the processes of screening and grit removal, serves the plant. The biological filtration process includes primary sedimentation, biological filtration and humus clarification. The humus tank effluent is finally treated to chemically remove ortho-phosphate and chlorinated before discharging it into the Amato Pan. A portion of the final effluent is used by various industries as cooling water. In the dry winter months, final effluent is supplied to the Korsman Bird Sanctuary. The Amato Pan overflows into a tributary of the Blesbokspruit.

Capacity : 16.00 Mℓ/d

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ERWAT welcomes new Managing Director

Mr Tumelo Gopane recently joined ERWAT as Managing Director.

“I am honored to have been appointed as ERWAT’s Managing Director. It is a privilege to be part of an organization that delivers high quality services and innovative solutions to its clients and that continuously pursues excellence in the water sector”, says Gopane.

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Important information for suppliers and vendors


National Treasury has introduced the CSD (Central Supplier Database). In line with National Treasury directives ERWAT is no longer accepting vendor applications as from 1 July 2016. All vendors must now register on the National Treasury Central Supplier Database. For more information please visit our "Procurement" page.


Welgedacht WWTW extended with 50 megalitres per day


Excitement filled the air on Monday, 9 May 2016 when the Executive Manager: Operations, Mr Fortune Mabunda, switched on the pumps to start pumping the first wastewater through the new 50 megalitre per day (Mℓ/day) extension at ERWAT’s Welgedacht Wastewater Treatment Works (WWTW).

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War On Leaks Program by DWS

A “War on Leaks” program was recently launched by the Department of Water and Sanitation (DWS), in collaboration with Rand Water.

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Four ERWAT plants received recognition at WISA 2014

Four of ERWAT’s larger wastewater treatment works (WWTW) were recognised for their achievements at a recent conference hosted by the Water Institute of Southern Africa (WISA). These WWTW’s are Waterval, Olifantsfontein, Dekema and Rondebult.

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Telephone: +27 11 929 7000

Facsimile: +27 11 929 7031


General email:

Laboratory email:

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