Johannesburg Water says the recent repeated pipe bursts along Peltier Drive in Sunninghill are due to pressure-related issues in the system.

They have also confirmed that long-term interventions, including possible pipe replacement, are being considered. This follows growing frustration from residents, businesses, and the Sunninghill Community Ratepayers Association (Suncom) after multiple bursts, including several over the past weekend, left parts of the road excavated, disrupting daily operations.

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Suncom suburb manager Tracy Kensey raised safety concerns over open excavations and exposed infrastructure, while calling for a shift from repeated repairs to a long-term solution.

According to Johannesburg Water spokesperson Phakamani Ndlovu, the failures are linked to a combination of system pressure and infrastructure condition.

“The recurring bursts at Peltier Drive are caused by the presence of airlocks in the system, which create pressure fluctuations, combined with the type and condition of the existing pipe material, making it more susceptible to failure.”

While residents have claimed that bursts have been ongoing for years, Johannesburg Water maintains the issue is more recent.

“There have been several reported pipe bursts in the area. However, a noticeable increase in incidents has been observed since December 2025. No significant trends were recorded over the preceding two-year period. This is a relatively recent issue and is currently receiving attention.”

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He said the pipeline, installed in 1999, is still considered to be within its expected lifespan. However, the system’s direct connection to a reservoir has contributed to pressure dynamics affecting the line. “As part of the current intervention measures, Johannesburg Water will be installing air valves to regulate pressure and mitigate the impact of airlocks.”

Concerns over exposed infrastructure at the site have also been raised. Ndlovu explained that ongoing repairs have been delayed due to additional damage. ‘Pipes and cables remain exposed as a result of damaged fibre optic infrastructure on site. Backfilling cannot proceed until the service provider completes the necessary repairs.”

Despite initial reliance on repairs, Johannesburg Water has acknowledged the need for a more permanent solution. “In terms of long-term solutions, Johannesburg Water has identified pipe replacement as a necessary intervention.

A work request has already been submitted, and a detailed technical investigation will be conducted.”

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