Latest reservoir storage levels
Bristol Water operates four major reservoirs – Chew Valley Lake, Blagdon Lake, Cheddar and Barrow. These are the current levels of our largest reservoirs as of 13/10/2026.
The total reservoir storage for the Bristol Water area is at 43%. On the same date in 2025, storage was at 34%.
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Monitoring and managing our supplies
Water is a precious resource and we encourage our customers to use it wisely, whatever the weather.
Thanks to our forward planning and the flexibility in our water network, we can balance our stored resources in a way that helps us manage supplies during drier periods. We also use artificial intelligence to manage our supplies in a way that cuts our energy use too, helping our environmental performance.
Plumbing and drainage cover
Trust HomeServe’s plumbing and drainage cover, just 50p a month in the first year.
*50p a month in year 1 with £30 excess. New customers, homeowners only. T&Cs apply.
