Discolored water conditions may be caused be the use of fire hydrants, breakage in pipes, opening and closing of gate valves, deficiencies in pressure, volume, supply of water, or any other situation that may result in a discoloration of the water.
If your laundry does become discolored from dirty water you may wish to try the following recipe to remove rust.
1/2 Cup Calgon Dish washing Powder
8 Gallons of Hot Water
1 Teaspoon Cream of Tartar
Soak at least 1/2 hour in the machine, then run the cycle for at least 20 minutes