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Popponesset Bay <br /> Waquoit Bay <br /> Nantucket Sound <br /> Figure 1. Regional locus reap depicting Waquoit Bay and Popponesset Bay and their source <br /> waters,Nantucket and Vineyard Sound. <br /> Both the Waquoit Bay and Popponesset Bay Estuarine Systems are highly nitrogen enriched and <br /> show impaired nutrient related water quality over the past decade(Overview of the 2010 Water <br /> Quality Monitoring Program for the Popponesset Bay and Waquoit Bay Estuaries, June 2011 }. <br /> The tidal rivers(Mashpee River, Childs River, Quasbnet River) and major tributary basins (Eel <br /> Pond/River, Shoestring Bay and Ockway Bay) showed poor water quality while the main basins <br /> and Jehu and Hamblin Ponds showed moderate to high water quality. The present Technical <br /> Memorandum is an update to the water quality baseline to include the results of each summer's <br /> sampling program, 2010-2016. <br /> Protection and restoration of coastal embayments from nitrogen overloading has resulted in a <br /> focus on determining the assimilative capacity of these aquatic systems for nitrogen. While this <br /> effort is ongoing(e.g. USEPA TMDL studies), southeastern Massachusetts has been the site of <br /> intensive efforts in this area(Eichner et al., 1998, Costa et al., 1992 , Ramsey et al., 1995,Howes <br /> and Taylor, 1990, Falmouth Coastal Overlay Bylaw). These efforts resulted in the 2002 <br /> implementation of the Massachusetts Estuaries Project(MEP). The goal of the MEP has been to <br /> 2 <br />