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Delaware River Aquatic-Plant Biomass Study
Changes to water quality can emanate from many different sources.
  • Natural sources include geologic transformations, animal wastes, and the decomposition of detritus.
  • Anthropogenic sources include point-source discharges from wastewater treatment plants, commercial businesses, and industry; and non-point source contamination from road maintenance, agricultural practices, and residential home and yard maintenance.
  • Atmospheric deposition contains both natural and man-induces chemical constituents that may degrade water quality.

To better understand the relationships between the multiple sources of contamination and the possible range of effects from these potential alternations to the aquatic environment, the DRBC is using the water quality and flow data collected from the SRMP to calibrate watershed and open-channel computer models.

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Water Drone Collects Marine Debris - The world produces 300 million tons of plastic each year, but only about 10 per cent is recycled. The rest is dumped, landfilled or escapes as trash into landscapes, lakes, rivers and the ocean. About 7 million tons end up in the ocean each year, making up roughly 75% of all marine debris.

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