Final Stage of £115 Million Water Treatment Upgrade at Alderney Water Treatment Plant in the UK
2026-05-07 16:21
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en.Wedoany.com Reported - Bournemouth Water's £115 million Alderney Water Treatment Plant upgrade project has entered its final stage. The water treatment project, which began in October 2023, is a key part of Bournemouth Water's £200 million investment plan to modernise the water treatment system, enabling it to cope with climate change and reduce its environmental impact.

Alderney Water Treatment Plant Upgrade

Since May 2025, Bournemouth Water has constructed four treatment buildings on site equipped with advanced electrical and mechanical equipment, installed 20 kilometres of power and fibre optic cables, laid new surface water drainage systems, and fitted new roofs and cladding to all buildings. Currently, the team is installing a new chemical dosing system to precisely control chlorine levels, and the upgrade of the site's power supply system is nearing completion, with new generators and transformers installed, commissioned, and tested.

The team is testing equipment in the new treatment process buildings, including circulating water through parts of the site to confirm the water treatment system operates as designed. Construction of permanent roads and footpaths on site has begun, and the site is transitioning from construction to operation. Granular Activated Carbon has been delivered to the site and will be installed in the new treatment buildings for washing and preparation for use. Water will flow through the complete treatment process and be regularly tested to ensure it meets safety and quality standards before the project is completed.

Richard Stanbrook, Director of Drinking Water Services at Bournemouth Water, said: "As we progressively bring the new system into operation, we are now entering one of the most critical phases of the Alderney project. This investment will transform the way we treat and deliver drinking water to over 250,000 customers, ensuring a more resilient, efficient, and sustainable service for the future."

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