Environmental performance across England's water industry deteriorated again in the past year despite substantial capital expenditure, according to a newly released joint assessment by sector regulators.
According to BBC News, eight of the nine water companies operating in England received ratings of either "poor" or "requiring improvement". Severn Trent Water stood alone as the sole company to achieve the highest performance classification.
The regulators acknowledged that water companies maintained their delivery of drinking water meeting quality standards and succeeded in reducing the frequency of service interruptions to customers. However, the environmental regulator's leadership expressed concern that the overall trajectory remained unacceptable.
What do the regulators say about industry standards?
The chair of the environmental regulator stated that the findings demonstrated the sector continued to "fall well short of the standards rightly demanded by both us and the public". This assessment reflects growing pressure on water companies to address environmental concerns alongside operational performance.
What is the broader context?
This regulatory report arrives amid wider environmental challenges in England's water systems. Only around one in seven of England's rivers, lakes and coastal waters are in good ecological condition, with no waterway passing a chemical pollution test. Additionally, Yorkshire Water received its lowest-ever environmental rating after pollution incidents surged 70% to 260 in 2025, prompting the company to commit £8.3 billion in investment by 2030.
Customer dissatisfaction has also intensified alongside environmental concerns. Complaints to the water industry watchdog surged 84% year-on-year to 15,115 in 2025-26, driven by frustration over rising bills and service quality issues.
Key Facts
- Eight of nine English water companies rated as "poor" or "requiring improvement"
- Severn Trent Water achieved the highest environmental performance rating
- Regulators acknowledged continued provision of high-quality drinking water and reduced service disruptions
- Environmental regulator stated industry performance falls short of public and regulatory expectations
