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Parcel By Parcel In The Three Bays Watershed: Framing Ecological Residential Design For Water Quality, Doug Serrill

Landscape Architecture & Regional Planning Masters Projects

The Three Bays Watershed, located in the Towns of Barnstable, Sandwich, and Mashpee, is facing a crisis of water quality degradation. Excess nitrogen has been identified as the largest contributor to water quality degradation throughout Cape Cod including the Three Bays (Cape Cod Commission, 2015.) Residential waste water systems and non-point sources of pollution including stormwater runoff, and excess fertilization, are identified as the three primary sources contributing 77%, 13% an 10%, respectively, of the excess nitrogen flowing through groundwater and into the bays. Like other watersheds throughout the Cape, Three Bays is largely a residential watershed with 92% of …