PFAS enforcement, supply incidents, regulatory changes, and annual data releases — all in one place.
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Thames Water's hosepipe ban is in force from 00:01 on Thursday 23 July for the ~10 million people it supplies with drinking water across London and the Thames Valley. Wastewater-only customers are not affected — we set out the supply-versus-sewage distinction most coverage has blurred, plus the exemptions, the £1,000 fine, and how to check your supplier.
Portsmouth Water's 2025 report is out and all 15 supply zones are refreshed in our data. Hard chalk-groundwater supply, nitrate up to 38 mg/l in Lovedean, low lead and fluoride. See what changed and check your zone.
Ipswich has the hardest city tap water in the UK at around 435 mg/l, while Glasgow is softest at 16 mg/l. The full 2026 ranking from official data.
All UK tap water is legally safe — over 99.9% of tests pass. What separates the top-scoring supplies from the rest, and the 404 active DWI programmes.
Eight water companies now have hosepipe bans in force across Kent, Hampshire, East Anglia, Devon, west Wales, London and more. The full 2026 picture, updated as bans change.
English storm overflows spilled 290,127 times in 2025; Welsh overflows 94,738 times at more than double the rate per outfall. The 2025 data explained.
On our model of 1.5 million postcodes, 30% are High likelihood for lead pipework and 25% Medium. The national lead picture, and how to check your home.
Over 99.9% of UK drinking-water tests pass legal standards across 22 companies and 1,614 zones. The 2026 evidence, plus the caveats on lead and PFAS.
Welsh Water has started a £5 million water mains replacement programme in rural Herefordshire, replacing 13.8km of Victorian-era cast iron pipes in Yarpole, Moreton Eye, Eye, and Luston. Completion expected 2027.
Yorkshire Water revealed that monitoring equipment near Scarborough produced inaccurate environmental data readings due to spider web fouling on optical sensors. The drinking water supply was not affected.
Water bills across England and Wales rose by an average of 5.4% on 1 April 2026. Severn Trent up 10%, Bristol Water up 12%, Affinity Water up 13%. Here is what is driving the increases and what help is available.
New legislation in force from 1 April 2026 makes senior water company executives personally liable for criminal prosecution. The Water (Special Measures) Act 2024 also introduces a fit-and-proper-person test and a pipes MOT regime.
The UK Government's Water White Paper is the biggest shake-up of water regulation since privatisation in 1989. Criminal liability for executives, a new debt cap for companies, PFAS removal timelines, and near-real-time quality data — here is what it means for your tap.
South West Water entered a guilty plea at Exeter Magistrates Court following DWI prosecution over water quality failures. The case relates to incidents affecting customers in Devon and Cornwall.
The UK government published its first national PFAS strategy on 3 February 2026, signalling that statutory drinking water limits for forever chemicals are under consideration for the first time. Currently the UK has only voluntary DWI guidance, not legal limits.
The Drinking Water Inspectorate issued an alert on 13 January 2026 regarding loss of water supply incidents affecting customers in parts of Kent and Sussex.
The Drinking Water Inspectorate published its annual report showing UK drinking water compliance at 99.97% of samples in 2024. The report highlights ongoing concerns about PFAS and lead pipe legacy infrastructure.
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