The American Society of Civil Engineers have given American water supply systems a D+ grade. The main gripe the group has is with water mains that are over 100 years old, outliving their useful life, but still in use delivering water to people around the country. While American water systems suffer an estimated 240,000 breaks per year, the group is quick to point out that quality of water is universally high, and outbreaks of disease are rare. The American Water Works Association estimates that a full update of America's water systems would cost $2.1 trillion dollars.
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