ERWAT
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: Sarel Cilliers, Rynfield

The Rynfield works is situated south-west of the Van Ryn Dam in Benoni and falls within the DD5 area. Built in 1969 and extended in 1979, it is designed to treat 13 megalitres per day of raw sewage from the Benoni, Cloverdene and Rynfield areas. Both biological filtration and activated sludge are employed as treatment processes.

A central inlet works, incorporating the processes of screening and grit removal serves the works. The older biological filtration module includes primary sedimentation, biological filtration and humus clarification. The BNR activated sludge module consist of a 5 stage reactor basin and final clarification. The final effluent is chlorinated before discharging it into a tributary of the Blesbokspruit.

Capacity : 13.00 Mℓ/d

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News/Events

MEET ERWAT AT WISA 2018

ERWAT will be participating in the biennial WISA conference and exhibition from 24 to 27 June 2018 at the CTICC in Cape Town. Besides some of ERWAT’s employees presenting interesting papers, the company will also showcase its products and services at stand number D10-11.

ERWAT will also be taking part in panel discussions and sharing insights into the challenges and opportunities facing the water sector in South Africa and beyond our borders.

 

ERWAT AT AUW 15-17 MAY 2018

ERWAT will once again be exhibiting at the African Utility Week (AUW) from 15 to 17 May 2018 at the ICC in Cape Town. Visit us at stand number M13c to learn more about what ERWAT can offer.

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

NOTICE TO ALL BIDDERS AND POTENTIAL ENTRANTS TO ERWAT’S SUPPLIER DATABASE

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

AN EXCITING DAY AT WELGEDACHT WASTEWATER TREATMENT WORKS

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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CONTACT ERWAT

Telephone: +27 11 929 7000

Facsimile: +27 11 929 7031

ENQUIRY: ERWAT

General email: mail@erwat.co.za

Laboratory email: laboratory@erwat.co.za

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