An unprecedented May heatwave, with temperatures exceeding 30 degrees Celsius, caused widespread water shortages and low pressure across Kent and Northamptonshire over the bank holiday weekend starting Saturday, May 23, 2026.
Surging demand for tap water, showers, paddling pools, and garden hoses overwhelmed local networks, leaving approximately 800 households initially without running water.
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South East Water deployed water tankers around the clock and opened a bottled water station at Challock Village Hall to assist affected residents in Charing, Challock, and Molash.
The water supplier reported that while supplies began returning on Tuesday, May 26, 2026, properties on higher ground or at the far end of the network continued to face low pressure and intermittent disruptions.
Anglian Water Issues Warnings
A spokesman for Anglian Water said: "When the weather hots up, the demand for water goes up too, putting extra pressure on our network.
As you’d expect we’ve already seen a big increase in the amount of water being used over the bank holiday."
The company warned that elevated water usage during hot weather can lower pressure or cause supply interruptions across Northamptonshire.
Anglian Water urged residents to avoid using garden hoses, which consume five times more water than watering cans, and recommended shifting household water tasks away from peak hours.
The utility provider also noted that hot weather dries out the ground, causing water pipes to shift and create infrastructure issues.
South East Water Response and Criticism
Meanwhile, South East Water addressed the ongoing supply disruptions affecting multiple villages and towns across Kent, noting that water levels in drinking storage tanks improved overnight.
In an update on Sunday evening, the water supplier said: "We are sorry to customers in the Charing, Challock and Molash areas who have been impacted by ongoing water supply issues again today."
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The company attributed the delivery failures to the logistical difficulties of moving water to elevated locations during periods of peak consumption.
Engineers continued working across the region to stabilize the network as a pump failure caused new disruptions to dozens of properties in Whitstable.
Matthew Dean, head of operations at South East Water, confirmed that utility teams worked through the night to boost output at water treatment works across the supply area.
He stated that fleet tankers were operating continuously to inject extra water into high-demand zones.
With high temperatures forecasted to persist, the company urged the public to remain conscious of their daily water consumption habits.
Additional service alerts were issued for Herne Bay after consumers reported sudden drops in water pressure on Tuesday morning.
Political representatives criticized the utility provider for failing to maintain basic services during the heatwave.
"Yet again, when people need the most basic utility of all during an unprecedented heat wave, they have been failed by South East Water," said Rosie Duffield, Canterbury MP.
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The member of parliament described the ongoing water infrastructure disruptions across Kent as totally unacceptable.
