![Lead leaching from lead pipes into drinking water was the focus of Washington, D.C.'s drinking water crisis. (WTOP/Neal Augenstein)](https://wtop.com/wp-content/uploads/2016/03/water11.jpg)
WTOP/Neal Augenstein
![](https://wtop.com/wp-content/uploads/2016/03/water10.jpg)
WTOP/Neal Augenstein
![](https://wtop.com/wp-content/uploads/2016/03/water1.jpg)
WTOP/Neal Augenstein
![](https://wtop.com/wp-content/uploads/2016/03/water8-1672x1254.jpg)
WTOP/Neal Augenstein
![](https://wtop.com/wp-content/uploads/2016/03/water9.jpg)
WTOP/Neal Augenstein
![](https://wtop.com/wp-content/uploads/2016/03/water7.jpg)
WTOP/Neal Augenstein
![](https://wtop.com/wp-content/uploads/2016/03/water6.jpg)
WTOP/Neal Augenstein
![Before Flint, Michigan, the nation's capital dealt with its own lead-in-water crisis. (WTOP/Neal Augenstein)](https://wtop.com/wp-content/uploads/2016/03/water5.jpg)
WTOP/Neal Augenstein
![](https://wtop.com/wp-content/uploads/2016/03/water4-1672x1254.jpg)
WTOP/Neal Augenstein
![Customers of DC Water can have drinking water tested for lead. (WTOP/Neal Augenstein)](https://wtop.com/wp-content/uploads/2016/03/water3.jpg)
WTOP/Neal Augenstein
![](https://wtop.com/wp-content/uploads/2016/03/water2.jpg)
WTOP/Neal Augenstein
![](https://wtop.com/wp-content/uploads/2016/04/edwardspipe.jpg)
Photo courtesy Virginia Tech
![Marc Edwards examines plumbing in Flint, Michigan. (Photo courtesy Virginia Tech)](https://wtop.com/wp-content/uploads/2016/04/edwardsbasement.jpg)
Photo courtesy Virginia Tech
![Marc Edwards and students from Virginia Tech are testing drinking water in Flint, Michigan. (Photo courtesy Virginia Tech)](https://wtop.com/wp-content/uploads/2016/04/edwardssign.jpg)
Photo courtesy Virginia Tech
![In 2004, four-year-old Nic Cappella cries as a blood sample is drawn. (Photo by Alex Wong/Getty Images)](https://wtop.com/wp-content/uploads/2016/04/GettyImages-3059094-1877x1254.jpg)
Photo by Alex Wong/Getty Images
![Water filters were handed out during D.C.'s drinking water crisis. (Photo by Alex Wong/Getty Images)](https://wtop.com/wp-content/uploads/2016/04/GettyImages-3059093-1829x1254.jpg)
Photo by Alex Wong/Getty Images
![Lead leaching from lead pipes into drinking water was the focus of Washington, D.C.'s drinking water crisis. (WTOP/Neal Augenstein)](https://wtop.com/wp-content/uploads/2016/03/water11-260x174.jpg)
![](https://wtop.com/wp-content/uploads/2016/03/water10-260x174.jpg)
![](https://wtop.com/wp-content/uploads/2016/03/water1-260x174.jpg)
![](https://wtop.com/wp-content/uploads/2016/03/water8-260x174.jpg)
![](https://wtop.com/wp-content/uploads/2016/03/water9-260x174.jpg)
![](https://wtop.com/wp-content/uploads/2016/03/water7-260x174.jpg)
![](https://wtop.com/wp-content/uploads/2016/03/water6-260x174.jpg)
![Before Flint, Michigan, the nation's capital dealt with its own lead-in-water crisis. (WTOP/Neal Augenstein)](https://wtop.com/wp-content/uploads/2016/03/water5-260x174.jpg)
![](https://wtop.com/wp-content/uploads/2016/03/water4-260x174.jpg)
![Customers of DC Water can have drinking water tested for lead. (WTOP/Neal Augenstein)](https://wtop.com/wp-content/uploads/2016/03/water3-260x174.jpg)
![](https://wtop.com/wp-content/uploads/2016/03/water2-260x174.jpg)
![](https://wtop.com/wp-content/uploads/2016/04/edwardspipe-260x174.jpg)
![Marc Edwards examines plumbing in Flint, Michigan. (Photo courtesy Virginia Tech)](https://wtop.com/wp-content/uploads/2016/04/edwardsbasement-260x174.jpg)
![Marc Edwards and students from Virginia Tech are testing drinking water in Flint, Michigan. (Photo courtesy Virginia Tech)](https://wtop.com/wp-content/uploads/2016/04/edwardssign-260x174.jpg)
![In 2004, four-year-old Nic Cappella cries as a blood sample is drawn. (Photo by Alex Wong/Getty Images)](https://wtop.com/wp-content/uploads/2016/04/GettyImages-3059094-260x174.jpg)
![Water filters were handed out during D.C.'s drinking water crisis. (Photo by Alex Wong/Getty Images)](https://wtop.com/wp-content/uploads/2016/04/GettyImages-3059093-260x174.jpg)