Severn Trent Water have issued a warning to customers in Birmingham.
Delays may be experienced on the roads and water supplies could be interrupted due to a 42 inch burst main on Thimble Mill Lane in Aston.
Inspectors are currently valving and moving water from other areas to accomodate the loss of water.
The water company have said that loss of pressure and discolouration could be experienced once the water main in fixed. Running the cold tap for a few minutes will restore your water back to normal.
The affected postcode areas may include: B6, B7, B8, B20, B24, B36 and B42.