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1

Evaluating the Hydrology, Water-Quality, and Ecological Communities of Two Restored Urban-Suburban Streams in Northern Virginia

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The U.S. Geological Survey, in cooperation with Resource Protection Group, Inc., is conducting an intensive stream monitoring program of two restored, small (< 1.3 mi2), urban-suburban streams in Reston, Virginia. In 2010, both stream channels were restored to stabilize the banks, preventing channel incision, mass wasting of the banks, and the attendant deleterious sediment effects. […]

2

The Influence of Nitrifying Bacteria on Monochloramine Decay and Opportunistic Premise Plumbing Pathogen Growth

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Drinking water infrastructure in homes and buildings provides a niche for water microbiomes. Higher surface area to volume ratios, stagnation, and disinfectant decay at point-of-use locations lead to microbial regrowth and a higher risk of exposure to opportunistic premise plumbing pathogens (OPPPs). Nitrifying bacteria are common inhabitants of drinking water systems and are known to […]

3

Zooplankton Community Structure is More Variable Over Short Timescales than Over Space, with Implications for Water Quality Management

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Zooplankton are integral components of freshwater lake and reservoir food webs. Because of their role as a food source for fish and their ability to rapidly graze down algal populations, zooplankton play a critical role in maintaining water quality. To avoid fish predation during the day, zooplankton may migrate both vertically or horizontally (Diel Vertical […]