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Innovative Environmental
Assessment, Monitoring,
Planning, and Restoration
Innovative Environmental Assessment,
Monitoring, Planning, and Restoration
Innovative Environmental
Assessment, Monitoring, Planning, and Restoration
Projects > Watershed and Community Planning > Moultonborough Bay Inlet Watershed Restoration Plan, Lake Winnipesaukee
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Moultonborough Bay Inlet Watershed Restoration Plan, Lake Winnipesaukee

Moultonborough, New Hampshire

FBE was contracted by the Town of Moultonborough, NH, and the Lake Winnipesaukee Association (LWA) to create a Watershed Restoration Plan for the Moultonborough Bay Inlet watershed. This watershed covers 50 square miles of area in the Towns of Moultonborough and Sandwich, NH. The inlet is part of the northern headwaters of Lake Winnipesaukee and is threatened by excess total phosphorus, low dissolved oxygen, and potentially elevated chlorophyll-a, likely a result of excess phosphorus-laden sediment entering the inlet from watershed runoff. Phosphorus, in excess, fuels the growth of algae that suffocates fish species. In 2015, FBE conducted a watershed survey to identify phosphorus sources such as erosion sites, slumping culverts and road shoulders, lack of buffer zones, and large areas of impervious cover. Also in 2015, FBE, along with local volunteers, conducted a shoreline survey to identify sites with direct erosion to the inlet. FBE assisted the Advisory Committee with setting a water quality goal for the inlet and prioritizing sites for targeted retrofits that reduce erosion. FBE will work with the Town of Moultonborough and LWA to finalize the plan and implement these restoration recommendations.

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