Cloudy, milky, or white water is usually caused by an abundance of small air bubbles in the water. These harmless bubbles enter the water when air is drawn into the water transmission system.
Fill a clear glass with cold water and if the cloudiness clears from the bottom up, air is in the water line.
When the water clears, people usually report seeing a thin film on top of the water, an increased odor, and sometimes a metallic taste. The thin film is the micro-particles in the water, the odor is the gases stripped from the water, and the metallic taste is thought to be the bubbles' effect on the mouth.
Run the water for a few minutes to see if the water clears. If the water does not clear contact the City of Olympia Drinking Water Operations 360.753.8333.