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: Brickfield Road, Motsamai Section, Katlehong

The Dekema works is situated in Katlehong and falls within the DD6 drainage district. It was built in 1936 with a capacity of 36 megalitres per day. It receives its raw sewage from parts of Germiston, Alberton and Katlehong. Conventional biological filtration is employed and it consists of 8 sections.

A central inlet works, incorporating the process of screening and grit removal serves the plant. Some of the screened, degritted sewage is bypassed to the nearby Waterval. The remainder of the flow is treated in the biological filtration processes that include primary clarification, biological filtraters and humus clarification. The effluent is treated chemically to remove ortho-phosphate before discharging it into the Natalspruit. Sludge derived from the treatment process is applied to surrounding land and ploughed into the soil.

Capacity : 36.00 Mℓ/d

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News/Events

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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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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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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