High Quality Content by WIKIPEDIA articles! The discovery of widespread lead contamination in Washington, DC drinking water resulted in a Congressional investigation that damaged the scientific reputation of the Centers for Disease Control and Prevention (CDC), left thousands of children with lifelong health risks, and led to a re-evaluation of the use of chloramine in public drinking-water systems. Marc Edwards, an expert in plumbing corrosion, discovered lead levels at least 83 times higher than the accepted safe limit while performing research into premature pipe corrosion for the District of Columbia Water and Sewer Authority (WASA). He found that the decision to change from using chlorine to chloramine as a treatment chemical had caused the spike in lead levels. After the Washington Post ran a series of front-page articles about Edwards's findings, resulting in widespread public concern, the United States House of Representatives conducted an investigation. The House found that...

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