This report describes water sampling and quality studies for Round Valley Reservoir, located near Lebanon in Hunterdon County. The Water Supply Facilities Element, which operates the reservoir, requested that the NJ Department of Environmental Protection's Bureau of Monitoring and Data Management monitor the reservoir system to determine the impact of renewed pumping of the lower quality river water on the reservoir's water quality. On the basis of the data collected in this study there

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... to be very little negative impact of the renewed pumping into Round Valley Reservoir. The study did not answer the question of how water quality compared to previous years.