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The Watts Branch watershed is an approximately 22 square mile tributary to the Potomac River. The confluence of the Potomac River and Watts Branch is of particular importance due to the fact that it is just upstream of a major Washington Suburban Sanitary Commission (WSSC) drinking water intake for suburban Maryland. The water quality of Watts Branch can have a significant impact on the level of treatment required at the drinking water plant.
Approximately 6.5 square miles of the Watts Branch watershed is located within the City of Rockville, including the vast majority of first and second order streams in the watershed as a whole. In general, the mainstem of Watts Branch flows from north to south in the western portion of the City.
Figure showing detailed Watts Branch location (coming soon!!)
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