For more than 140 years, Jersey Water has been the sole supplier of water to our Island community. Every day, the utility provides nearly 20 million litres of treated mains water to more than 40,000 homes and businesses, equating to approximately 90% of the population. The Island’s oldest registered company, today Jersey Water employs 100 employees and operates six reservoirs, a desalination plant and two treatment plants to supply water to its customers.