By Nicholas Earl The UK’s largest water provider has stopped short of announcing a hosepipe ban, but has not ruled out bringing in the measure if the latest drought continues. Thames Water has urged its 15m customers to conserve supplies, with the country engulfed in another heatwave following the driest July since 1935. While other firms such as Southern Water, South East Water and Welsh Water have announced bans, Thames Water has instead called on people to “use water wisely.” It has suggested customers consider water-saving measures like shorter showers, fixing leaky bathroom facilities, an…