EPA Office of Water, Water Security Division, Water Laboratory Alliance
The Water Laboratory Alliance (WLA) provides the drinking water sector an integrated nationwide network of laboratories with the analytical capability and capacity to respond to intentional and unintentional drinking water contamination events involving chemical, biological, and radiochemical contaminants. The WLA is the water component of the EPA’s Environmental Response Laboratory Network (ERLN).
To learn about the WLA resources, please contact your EPA Regional Laboratory Contact listed in the "Contact Information" section.
http://water.epa.gov/infrastructure/watersecurity/wla/index.cfm