11 December 2023 – 14:30

Systems Update

The demand across Johannesburg Water systems is currently significantly higher, and this is impacting the overall bulk supply.

South Hills tower
The tower improved overnight and is supplying normally. Johannesburg Water is monitoring the system and further updates will be provided.

Midrand Systems
Most Midrand systems are currently stable, however, the Rabie Ridge reservoir is experiencing high demand and water levels are low. The reservoir is currently supplying at 30% while the tower remains on bypass mode. Poor pressure to no water can be expected in parts of the supply zone, including Klipfonteinview. Johannesburg Water is monitoring the system for improvements.

Alexander Park reservoir
The reservoir has improved overnight and is supplying normally. As a mitigation strategy, the outlet will be closed overnight to build capacity for the next day.

Eagles Nest reservoir
The reservoir continues to be critically low due to increasing demand and poor supply pressure. Low pressure is expected in the supply zone, especially high-lying areas; however, the system has been reconfigured to boost supply.

Linden 1 reservoir and tower
The reservoir continues to be stable and is supplying normally, while the tower has also improved and is supplying normally. However, high demand and poor supply may affect the system and water levels may decrease. Johannesburg Water will continue to monitor this system.

Soweto Systems
The Soweto systems remained stable overnight and this morning, however, they will be affected by overnight throttling (reducing pressure and flow). The bulk supply remains restricted as a Water Demand management strategy. The Zondi reservoir supply is currently at 60%, while the Power Park reservoir supply is at 50%. Areas fed by the Zondi, Doornkop and Power Park reservoirs are affected by low pressure, while high-lying areas are affected by no water. Bramfischerville is supplying at 50%, and poor pressure to no water is expected most parts of the area. Customers in phases 7 and 9 will experience poor pressure to no water. Certain areas supplied by Protea Glen tower and direct feeds are experiencing poor pressure to no water.

Commando System
• Brixton reservoir: The reservoir is stable and is currently supplying normally; however, it is on a downwards trend.
• Brixton tower: The reservoir is stable and is currently supplying normally.
• Hursthill 1 and 2 reservoirs: Both reservoirs are critically low and poor pressure to no water is expected in the supply zones. However, the outlets to both reservoirs are fully opened. Hursthill 1 reservoir has been configured to boost supply while Hursthill reservoir will be closed overnight to build capacity for tomorrow.
• Crosby reservoir: The reservoir is stable and is currently supplying normally.
The following reservoirs will either be closed or throttled to 90% overnight to retain water and build capacity.
• Sandton: Illovo, Bryanston, and Morningside
• Soweto: Freedom Park, Doornkop West, Power Park, Orlando East, and Zondi
• Commando: Brixton, Hursthill 2
• Crown Gardens
• Alexandra Park (closed)
• Midrand: Rabie Ridge, Grand Central, President Park, Erand, and Diepsloot
• The Randjieslaagte and Berea reservoirs may be throttled overnight if necessary due to high demand.

Customers supplied by these reservoirs may experience poor pressure to no flow. Alternative water supply has been arranged through water tankers for the affected areas. Johannesburg Water continues to monitor the above systems.

Please see the list of affected areas: https://shorturl.at/CD569

Residents are requested to observe level-1 water restrictions which are implemented from 1 September to 31 March. These restrictions prohibit the use of hosepipes to water gardens, wash cars, clean driveways, as well as fill up swimming pools and water features between 06:00 and 18:00. Instead, the use of greywater is encouraged.

Ends
Issued by Johannesburg Water Communication and Marketing