Wessex Water has issued an urgent appeal to household and commercial customers across Somerset, Bath, Dorset, and Wiltshire to significantly reduce non-essential water consumption or face mandatory supply restrictions, including a statutory hosepipe ban. The regional utility company confirmed that while regional surface reservoirs remain at 58 percent capacity, relentless summer heatwaves have pushed daily demand above 400 million litres for 35 consecutive days—a figure more than 30 percent higher than seasonal averages.
The operational strain comes hours after neighboring utility South West Water introduced formal hosepipe bans in adjacent parts of Somerset, heightening regulatory and operational pressure across the entire South West region. According to official data from Wessex Water, the current weather conditions have already surpassed key meteorological thresholds established during the historic 1976 drought, which was the last time a mandatory region-wide hosepipe ban was imposed across the company’s service territory.
Record Temperatures and Unprecedented Demand Dynamics
The prolonged dry spell has broken multiple climate and consumption records across South West England. Wessex Water reported that its operational area has recorded 16 days with temperatures exceeding 30°C this year, surpassing the previous annual record of 14 days set in 1976. Furthermore, 2026 has marked the first year on record in the United Kingdom where temperatures exceeded 35°C across three consecutive months: May, June, and July.
Consumer demand reached an all-time peak on July 11, when daily water consumption surged to 449 million litres. The main operational bottleneck, company officials explained, is not purely raw water availability in main storage, but the physical logistics of moving such immense volumes through treatment works and pipeline infrastructure to replenish local underground service reservoirs fast enough to maintain system pressure.
Depleting Reservoirs and Environmental Indicators
Data released by the Environment Agency highlights deepening ecological and supply vulnerabilities in key catchment zones. Two major reservoirs supplying Somerset are now officially designated as “exceptionally low.” Wimbleball Lake in Exmoor has seen its storage drop to 50 percent capacity, while Blagdon Reservoir stands at just 54 percent.
While surface water reservoirs across the overall Wessex Water grid averaged 58 percent full at the end of July, the sustained lack of rainfall prevents underground service reservoirs from replenishing during overnight periods of lower usage. This continuous operational strain risks depleting localized reserves required for emergency fire response, health facilities, and essential sanitation.
Utility Strategy: Emergency Leak Repairs and Industrial Engagement
Will Willoughby, Director of Water Supply at Wessex Water, emphasized that formal restrictions remain a measure of last resort but warned that consumer action is urgently required to prevent their implementation during peak summer holiday periods.
“We know that a hosepipe ban would not be welcome news for our customers, especially during the summer holidays,” Willoughby stated. “A ban is a last resort for us, and we don’t want to introduce one, but we do need customers to help. If all customers can make small changes to their daily water use habits, this will make a big impact and help keep water flowing for each other, businesses, and the environment.”
To complement public appeals, Wessex Water has deployed engineering teams on 24-hour schedules to locate and repair network leaks, prioritizing high-volume underground pipe bursts. Concurrently, the utility is directly engaging major commercial and industrial consumers to enforce voluntary reductions in non-essential operational usage.
Voluntary Savings Targets and Regulatory Outlook
To prevent mandatory enforcement under the Water Industry Act 1991, Wessex Water is asking domestic residents to adopt immediate conservation habits. Recommended actions include using watering cans instead of garden hoses or automated sprinklers—a single change that can save up to 1,000 litres of water per hour, equivalent to two days of average household water use for a family of four.
Additional guidance includes allowing lawns to turn brown, relocating potted plants into shaded areas, reusing domestic paddling pool and washing-up water for gardening, taking shorter showers, avoiding running taps, and postponing vehicle washing. If daily demand fails to drop below critical thresholds in the coming days, Wessex Water warned it will be legally obligated to formalize temporary use bans to safeguard essential regional supplies.

