Core Message - Iowa American Water addresses customer inquiries regarding cloudy or milky tap water, clarifying that it is caused by tiny air bubbles and poses no health risk [1] Group 1: Water Quality Explanation - Cloudy or milky water is a result of dissolved air (oxygen) and is similar to bubbles in carbonated beverages when pressure is released [1] - The company ensures that its water meets or exceeds all regulations set by the Iowa Department of Natural Resources and the U.S. Environmental Protection Agency [1] - There are no specific regulations for dissolved oxygen in water as it does not present a health risk [1] Group 2: Seasonal Factors - The phenomenon of cloudy water is more common in winter when water temperatures are colder, allowing more air to be absorbed [1] - The temperature of the Mississippi River, the source of supply for Iowa American Water, can drop to 32.5 degrees during winter [1] - Cold water retains dissolved oxygen until it enters the plumbing system, where it warms up and releases the excess air, causing cloudiness when the faucet is turned on [1] Group 3: Customer Guidance - Customers can observe the clearing of cloudy water by holding it up to a light, where bubbles will rise and clear the water within a few minutes [1] - If the water does not clear within a few minutes, customers are advised to contact Iowa American Water for assistance [1] Group 4: Company Overview - American Water is the largest regulated water and wastewater utility company in the U.S., serving over 14 million people across 14 states and 18 military installations [1] - Iowa American Water, a subsidiary of American Water, is the largest regulated water utility in Iowa, providing services to approximately 227,000 people [1]