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Water quality monitoring data in the freshwater, or 'non-tidal,' streams and rivers of the Chesapeake Bay watershed provide information on pollution levels of nitrogen, phosphorus and sediment, and how they have changed over time. Every two years, water quality monitoring data are analyzed to determine the amount of nutrients and sediment in streams and rivers, and to estimate trends in water quality conditions. This information allows planners, managers and implementers to assess progress and identify opportunities for restoration efforts going forward.<\/span>
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