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South East Water supplies top quality drinking water to 2.2 million people in the south east of England. Through a network of 14,780 kms of pipe, they deliver around 520 million litres of water every day. Relying on a secure supply of our natural resource – water, the company takes their role as guardians of the environment seriously.

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Becoming a Waterwise Supporter or Affiliate means you’re joining a network committed to creating a water-efficient future. Your contributions are directly invested in expanding our research, shaping policy, supporting water-efficient products and services, and driving impactful campaigns. As a supporter, you gain access to exclusive benefits that enrich your own water-saving efforts, from expert insights to networking opportunities. Let’s work together to ensure water is used wisely every day, everywhere in the UK—for people, the planet, and the economy.