Wall Pond

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Wall Pond

Town(s): Plymouth MA
County: Plymouth

Size: 13 acres
Average Depth: feet
Maximum Depth: feet

Swimming: Unknown

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OVERVIEW Wall Pond is located south of Great Wind Drive and north of Wind Song Drive. It is north of Rocky Pond and south of Jakes Pond. The pond is a kettlehole pond with no surface water inflows or outflows (1). The westernmost shoreline has a private beach and the easternmost shoreline is undeveloped (~25% of the whole shoreline). The remaining shoreline has residential development on roughly quarter-acre lots. There is no formal access and there are no records of MassDFW management or fish stocking. Water quality samples were collected from the pond once as part of a 1970s-era baseline pond assessment, including macrophyte and phytoplankton surveys (1). No other pond sampling appears to have been completed until the 2014 PPALS Snapshot. WATER QUALITY Wall Pond is shallow and had reduced clarity during the 2014 PPALS Snapshot and in the 1970s-era baseline. The PPALS temperature and dissolved oxygen profiles showed a generally well-mixed water column with similar temperatures and DO concentrations from surface to bottom. DO concentrations were all slightly elevated (101 to 106% saturation), but the deepest sample only declines to 91% saturation. Surface total phosphorus and chlorophyll-a PPALS readings were both lower than ecoregion thresholds. Shallow and deep TP, chlorophyll-a, and total nitrogen were generally similar, indicating little sediment regeneration. The 1970s-era plant survey noted filamentous blue-green algae in selected shoreline area, but generally the pond had sparse submerged, emergent, and floating plants. Based on the available information, Wall Pond is not impaired, but there are some concerns based on the historic filamentous blue-green algae and the consistent reduced clarity. It is acknowledged that this conclusion is based on limited data. Additional monitoring and synthesis of available information would be required to evaluate and refine the extent of this impairment, the nutrient sources contributing to the pond, and evaluate potential water quality management strategies.

Vegetation Growth: Unknown
Non-native Species:

Boat Access: Unknown
Parking Spaces: Unknown

Shoreline Development: Unknown