Summary

The Potomac Interceptor is a 54-mile sewer system that transports wastewater from Northern Virginia and Maryland to the Blue Plains Advanced Wastewater Treatment Plant in Washington, D.C.  On January 19th, a section of the Potomac Interceptor Sewer Pipeline collapsed near Clara Barton Parkway and the I 495 interchange. The memo provides an overview of the regional sewer infrastructure, key agencies, the timeline of the collapse and response, water quality monitoring and sampling, and regional coordination and communication.