WSSC Water has detected high concentrations of blue-green algae, known as Harmful Algal Blooms (HAB), in the Triadelphia Reservoir. These HABS can cause adverse health effects. The reservoir, located along the Patuxent River in Montgomery and Howard counties, serves as a drinking water source for WSSC Water and a recreational area for hiking, fishing and boating. The health advisory does not affect the T. Howard Duckett Reservoir. WSSC Water’s drinking water is not affected and continues to meet all Safe Drinking Water Act standards.
As a precaution, WSSC Water is closely monitoring water quality conditions at its Patuxent Water Filtration Plant. Visitors to WSSC Water’s Triadelphia Reservoir should do the following: