The heatwave has prompted water bosses to urge customers to keep waste to a minimum as they said that a hosepipe ban is not currently on the cards.
Southern Water, which has one of its main offices at Falmer, said: “With temperatures rising and a heatwave sweeping across the UK, we are hitting peak demand for water.
“Water is a precious resource and it’s important that we all do what we can to reduce wastage, come rain or shine.
“This can include simple measures such as turning off taps when you’re brushing your teeth, swapping a bath for a four-minute shower and watering your garden with harvested rain.
“These can make a huge difference to water supply levels across the region.
“The good news is our resources are currently at healthy levels across the region and we are unlikely to need to impose a temporary use ban this summer.
“However, should this dry weather continue over the longer term, we do have clear plans in place to make sure we’re fully prepared and we are continuing to monitor the situation closely.
“Our work to protect water resources includes an increased focus on fixing leaks on our 13,700km (8,500-mile) network of water mains.
“Following our ground-breaking universal metering programme, our customers now use around 16 per cent less water than they did in 2010.”
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