DC Water is investigating a sewage overflow from the Potomac Interceptor sewer line in the C&O Canal National Historical Park.
Officials said the overflow was first noticed on the evening of Jan. 19. Crews were sent out soon to contain the flow and assess damage to the sewer line. The damaged pipe is located near Clara Barton Parkway. The utility warned repairs could affect traffic and access in the area.
DC Water emphasized drinking water is not affected because the county’s drinking water system is separate from the sewer system.
Utility officials also noted untreated sewage can carry pathogens that can cause illness, including E. coli and hepatitis. People who come into contact with untreated sewage risk illness and contaminating their homes. Residents who believe they may have been exposed are advised to leave the area, wash skin thoroughly with soap and clean water, disinfect affected items or surfaces, avoid eating or drinking anything that may have been contaminated, and seek medical attention if symptoms occur. Exposure can be reported to DC Water at 202-612-3400. People living near the affected area may also notice an odor from the overflow.
The Potomac Interceptor is a major sewer line that carries wastewater from parts of the Washington region to treatment facilities. DC Water is still investigating what caused the overflow and how long repairs may take.
Montgomery County uses the Alert Montgomery system to send out emergency notifications. As of publication, the county had not issued its own advisory about the overflow. Residents can report water quality issues or pollution concerns through 311.
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