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Essex & Suffolk Water (ESW) provides water services to 794,000 properties in the south east of England. Our Essex area has a population of 1.5 million and is part rural, part urban. We serve a population of 0.3 million in our Suffolk area, which is mainly rural.

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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.