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Kimbrough, K.L., Johnson, W.E., Lauenstein, G.G., Christensen, J.D. and Apeti, D.A. (2008) An Assessment of Two Decades of Contaminant Monitoring in the Nation’s Coastal Zone. Silver Spring, MD, NOAA Technical Memorandum NOS NCCOS 74. 69.

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• TITLE: Monitoring Heavy Metals near Wastewater Facility in Delaware Inland Bays Tidal Canal

  AUTHORS: Amy C. Cannon, Lathadevi K. Chintapenta, Gulnihal Ozbay

  KEYWORDS: Heavy Metals, Cadmium, Lead, Receiving Waters Impacts, Water Quality Monitoring and Assessment

  JOURNAL NAME: Journal of Water Resource and Protection, Vol.9 No.8, July 10, 2017

  ABSTRACT: NOAA National Status and Trends Mussel Watch Report indicate the Delaware Bay has regionally medium levels of Cd and high levels of Pb. Environment New Jersey, a non-profit environmental group, reported the Delaware River, providing drinking water to millions, as the fifth most-polluted river in the country. These concerns resulted in this study monitoring water quality conditions near a wastewater facility in Delaware. Physical water quality parameters were measured, along with heavy metals Cd and Pb. Mean metal levels were consistently low at the wastewater discharge (1.3 μg/L Cd, 5.1 μg/L Pb), and high at the control location (9.2 μg/L Cd and 11.5 μg/L of Pb). Relationships were observed between heavy metals, salinity and pH levels. Results suggest water treated by the facility does not pose heavy metal contamination risks to the Lewes Rehoboth Canal. Further studies are warranted to seek heavy metal sources at the control point, farthest from the waste water treatment facility.