Ron Wood enquired what British water companies are doing to combat the drought "perhaps sitting back complacently" (Letters, May 20).

enough for 500,000 customers. We've doubled the size of our leak-detection team to 120 and launched a programme of free water-efficiency audits for businesses and schools.

Most importantly, our customers are supporting water-efficiency measures such as not running taps while brushing teeth or fitting save-a-flush bags in their toilet cisterns.

-David Williams, public affairs manager, Southern Water, Durrington, www.southernwater.co.uk