Flow Measurement & Control


A reliable water supply: The make or break in building metros across South Africa

July 2025 Flow Measurement & Control

South Africa’s urban centres, regardless of size, encounter substantial water supply challenges. Though the larger cities frequently make news headlines, smaller towns experience the same problems, sometimes on a more severe scale. Maintaining stable water infrastructure is essential for the health, economic vitality and well-being of communities.

Every drop counts

South Africa is inherently water scarce, receiving an average annual rainfall of 497 mm, which is nearly 50% less than the global average. This is exacerbated by uneven rain distribution and ageing infrastructure. Compounding this issue is the ageing water infrastructure, which often leads to significant water losses and inefficiencies, resulting in an unstable water supply; and as urban populations grow, the demand for water increases, putting additional stress on the already limited resources.

Efficient water management is imperative. Urban centres, from busy metros like Johannesburg to smaller towns like Hammanskraal, must adopt advanced technologies and smart water management systems. By leveraging real-time data through sophisticated sensor technology, municipalities can identify and address issues promptly, preventing disruptions in supply and improving overall water usage efficiency.

Not just a ‘drop in the bucket’

Effective water management largely depends on the accurate measurement of water levels and pressure throughout the supply network. Without precise data, municipalities struggle to detect leaks, monitor consumption, and ensure a consistent supply. The challenge of maintaining a reliable water infrastructure is compounded by the issue of non-revenue water. This is water that is produced but not billed due to losses, and averages 31% across South African utilities. This significant loss of water not only represents a waste of valuable resources but also affects the financial viability of utility providers.

Reducing non-revenue water requires real-time monitoring and swift response to anomalies, tasks that are unmanageable without reliable instrumentation. Advanced sensor technology can provide continuous data on water levels and pressure, helping utilities to identify leaks quickly and take corrective action. Accurate measurement can also aid in optimising water distribution, ensuring that the supply meets the varying demands of different areas within a city.

Even more importantly, precise data collection enables better planning and resource allocation. Municipalities can use the insights gained from monitoring systems to forecast demand, schedule maintenance, and plan infrastructure upgrades. This proactive approach is essential for managing water resources efficiently, particularly in a country where water scarcity is a persistent issue.

By investing in advanced instrumentation and adopting smart water management practices, South African urban centres can improve their water infrastructure and ensure a stable supply for their residents. Such measures are crucial not only for large metros but also for smaller towns, where the impact of water shortages can be even more severe. Reliable water infrastructure is foundational to the health, economic vitality and resilience of communities, making it a priority for sustainable urban development.

Joining hands when building metros

The stability of water supply systems is a critical factor in the development and sustainability of South Africa’s urban areas. Addressing the challenges requires a combination of infrastructure investment, skilled management and precise measurement tools. By adopting advanced instrumentation solutions, municipalities can enhance their capacity to provide reliable water services, fostering healthier and more resilient communities across the nation.

VEGA provides various technologies tailored to the needs of the water and wastewater industry, with instrumentation able to measure level and pressure accurately in various components of the water supply system. These sensors are designed to withstand harsh conditions and deliver precise readings, critical for effective water management.

By integrating VEGA’s sensors, municipalities can gain real-time insights into their water systems, enabling proactive maintenance and efficient resource allocation. VEGA’s solutions facilitate better planning and decision-making. Accurate measurement data allows municipalities to forecast water demand more effectively, schedule routine maintenance, and plan for infrastructure upgrades. This predictive capability helps in ensuring that water distribution meets the needs of varying areas within a city, preventing shortages and optimising resource use.

The company’s commitment to innovation ensures that its technology evolves to meet the changing demands of the water sector. Ongoing research and development efforts aim to introduce more efficient, reliable and user-friendly measurement solutions, supporting the goal of sustainable water management. By facilitating accurate measurement and real-time monitoring, VEGA helps municipalities manage their water resources more efficiently, ensuring a stable and reliable supply for all residents. This contribution is vital for the health, economic vitality and resilience of communities, making it a priority for sustainable urban development.


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