Everyone uses water and lots of it. Hot weather and overuse can place pressure on existing water supplies in vulnerable parts of the country. Due to high population density in parts of the South and East of England there is less water available per person per year than in parts of Africa. Building new homes in the South East puts increasing pressure on the region's water resources and there is also the additional environmental impact of treating and transporting water all over the country.

• Many species of wildlife, such as otters and butterflies, suffer as too much water is drained away, affecting their natural habitat
• Low river levels increase the concentration of pollutants in the water, meaning that there is less oxygen for the plant and animal life

As a result of growing pressure from the public and government, many water companies are beginning to take this responsibility more seriously. For example, companies are spending more money on fixing leaks in their supply pipes. However, it is also up to everyone to do their bit and reduce water use. Each of us on average uses the equivalent of 6,500 buckets (55,000 litres) every year.

In 2003, the average household spent £245 per year on water. Households that had water meters spent only £209 a year. You can ask your water company to install a water meter - they are required to do so where feasible for free. If you don't have a meter your water bill is based on the rateable value of your property and has little to do with the amount of water you actually use. Unless you have a household with three or more occupants, you're likely to save money on your water bill by having a meter installed.