As part of the Pennon Group, SES Water is reporting that it is leading the sector for the fourth year in a row when it comes to its drinking water quality performance.

The Drinking Water Inspectorate (DWI) will formally report on comparative industry water quality performance for 2024 in July 2025 - the latest results reported for the DWI’s Compliance Risk Index metric show the Company’s water quality performance for 2024 was again industry leading.
SES Water also continues to perform significantly better than the industry average when it comes to minimising customer contact about the taste, smell or appearance of their water.
Pennon recently announced a record £3.2 billion investment for water companies that make up the Group across the South West, Bristol, Bournemouth and SES Water.
As part of this investment SES Water’s AMP8 Business Plan includes :
- Refurbishing its treatment works at Kenley
- Adding new UV treatment to two of its sites to further protect drinking water quality
- Reducing the levels of nitrates and pesticides in its raw water sources by working with farmers and other land users
- Using smart technology to improve how it monitors and manages the water treatment process
- Replacing lead pipes supplying nurseries, schools and colleges
Nicola Houlahan, Quality and Compliance Director at SES Water said:
“This great result for SES Water is the outcome of consistent work our teams do day in, day out, to operate and maintain our treatment works and distribution network to the highest standards.
“But just as important as producing and delivering high quality water is ensuring the utmost care is taken by those taking the water samples that verify our drinking water quality to ensure they are truly representative of the water we supply at all times.
“The final step is to ensure we deliver a high-quality analytical service in our laboratory to ensure we report all test results to the required standards, accurately reflecting the excellent water quality we provide every day to the customers we serve.”
“SAS (Surplus Activated Sludge) is a bit weird and
Owen Mace has taken over as Director of the British Plastics Federation (BPF) Plastic Pipes Group on the retirement of Caroline Ayres. He was previously Standards and Technical Manager for the group.
Hear how United Utilities is accelerating its investment to reduce spills from storm overflows across the Northwest.