At a Glance
Persistent rainfall has left soils and aquifers saturated across much of England, with river flows and groundwater levels at high to very high status.
Somerset and the Somerset Levels remain in a declared major incident for flooding, with continuous pumping and more than 80 flood warnings in place.
The UK Government has published updated national hydrological data for January and early February, confirming elevated flood and groundwater risk conditions.
Water companies in England and Wales face intensified scrutiny over bills, pollution and underinvestment, alongside proposals to abolish Ofwat and create a new ‘super regulator’.
Ofwat’s £823m Water Innovation Fund is being opened to innovators outside the water sector, with a parallel funding push from Thames Water under restructuring pressures.
The UK Government has set out plans to regulate and phase out PFAS chemicals, signalling tighter expectations for water and wastewater treatment standards.
This week in water: England’s hydrological indicators confirm a system operating under saturation, with prolonged rainfall driving both fluvial and groundwater flood risk, particularly in the South West and Midlands. At the same time, political and regulatory pressure on water utilities is sharpening, with potential structural change to economic regulation and new funding and innovation mechanisms coming into view. Emerging PFAS controls add another layer of compliance and investment demand on already stressed networks. Here’s what matters, and why.
Ongoing Stories
Continuing developments this week in prolonged UK rainfall: reports of more than 39 consecutive days of heavy rain across parts of the South West, Midlands and South Wales are now reflected in national data showing high to very high river flows, low soil moisture deficit, and elevated groundwater levels, reinforcing the persistence and system-wide nature of current wet conditions.
Following ongoing flood coverage in Somerset and the wider South West, the major incident for the Somerset Levels and Moors remains in place, with continuous pumping operations and high water levels indicating that recovery will be constrained by saturated catchments and limited drainage capacity.
Key Developments – UK
Major flooding incident persists across Somerset Levels and Moors
A major incident remains in place across parts of Somerset, with the County Council and Environment Agency reporting stabilisation but continued high water levels on the Somerset Levels and Moors, including Currymoor and Northmoor. Continuous pumping is underway at Dunball, Northmoor, Saltmoor and Bridgwater, with additional pumps planned at Haymoor, Currymoor and other locations once water levels drop sufficiently. More than 80 flood warnings are in force, and saturated soils and elevated groundwater mean rivers remain highly sensitive to further rainfall. The ongoing conditions point to extended operational pressures on flood assets, pumping energy demand, and local infrastructure access constraints for utilities and councils. (Ongoing story. Source: Somerset County Council)
National hydrological report confirms widespread high flows and groundwater levels
England’s latest Water Situation National Monthly Reports, covering January and early February 2026, show low soil moisture deficits alongside high or very high river flows across many catchments. Groundwater levels are also reported as high to very high in numerous regions, reflecting the cumulative effect of persistent rainfall. Reservoir storage is generally healthy, but the combination of saturated soils and elevated aquifers increases sensitivity to further rainfall events. For planners and operators, the dataset underlines the need to align flood response, drainage capacity, and groundwater management with a prolonged wet signal, rather than a short, discrete event. (Ongoing hydrological context. Source: GOV.UK)
Prolonged heavy rainfall drives hydrological saturation across multiple UK regions
Parts of the South West, Midlands and South Wales have experienced more than 39 consecutive days of almost continuous rain, according to recent reporting. Rising groundwater is now threatening homes in some areas, and widespread flood warnings reflect a transition from surface water issues to combined fluvial and groundwater flooding risk as soils remain fully saturated. This pattern indicates that drainage, sewer networks and foundations are likely to face sustained loading, with implications for asset condition, emergency planning and the timing of maintenance works. (Ongoing weather and flood pattern. Source: The Observer)
Water companies face structural regulatory reform amid rising bills and pollution concerns
England and Wales water companies are under renewed scrutiny for rising customer bills, persistent pollution incidents and high leakage levels estimated at around 3 billion litres per day. Reporting indicates that bills rose by 26% from 2025–26, with a real-terms increase of 67% since 1989, despite concerns over service reliability and environmental performance. The UK Government is reported to be planning to abolish Ofwat, create a new ‘super regulator’, introduce more on-site inspections, and target a halving of sewage overflows by 2030 supported by £104bn of investment, though there is scepticism about whether reforms will address underlying investment and workforce issues. For utilities, regulators and investors, this signals potential changes to the regulatory framework, compliance expectations and capital allocation, with direct implications for PR29/30-style business planning and financing conditions. (Source: The Week)
Ofwat’s £823m Water Innovation Fund opens to non-water sector innovators
Ofwat has announced that its £823m Water Innovation Fund will now be open to applicants from outside the traditional water sector, aiming to draw in new technologies and cross-sector solutions. In parallel, Thames Water is reported to be launching a major funding allocation linked to its ongoing rescue negotiations, with a focus on supporting infrastructure resilience. The widened eligibility for innovation funding provides an additional route for technology providers, developers and partners to co-fund pilots and deployments that address leakage, network resilience and environmental compliance, particularly in the context of tighter regulatory expectations. (Source: Water Magazine)
UK sets course for regulating and phasing out PFAS in water systems
The UK Government has set out plans to regulate PFAS (“forever chemicals”), acknowledging the need to address their persistence and widespread presence in water environments. The transition away from PFAS is expected to be gradual due to their extensive industrial use and environmental longevity, requiring both source control and enhanced treatment approaches. For water and wastewater operators, this signals forthcoming changes to discharge permits and drinking water standards, likely requiring investment in advanced treatment processes, monitoring capability, and upstream engagement with industrial and product supply chains. (Source: Chemistry World)
Signals to Watch
Duration of saturated catchment conditions in England, and whether high groundwater levels persist into spring, affecting construction schedules, asset inspections and flood risk baselining.
Detail and timetable of the proposed restructuring of economic regulation for water in England and Wales, including any transitional arrangements affecting investment approvals and enforcement.
Technical requirements emerging from PFAS regulation, particularly any specified treatment performance standards that could reshape capital programmes for both drinking water and wastewater plants.
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