Weymouth-07
Weymouth, Weymouth Fore River
42.248819, -70.950644
Technical Specifications
Basic Properties
- Type
- Flap Gate
- Material
- Other
- Control
- —
- Condition
- Fair
- Geometry
- Circular
- Status
- Active
- Number of Gates
- 1
Operator & Management
- Operator Type
- PUBLIC
- Operator
- —
- Permits
- —
- Purpose
- Flood Protection
Dimensions & Elevations
- Dimensions
- 2ft diameter
- Invert Elevation
- —
- Installation Date
- 2006
- Tidal Influence
- —
Culvert Details
- Restriction Type
- —
- Geometry
- Circular
- Material
- Concrete
- Bottom Material
- —
- Number of Pipes
- 1
- Dimensions
- 2ft diameter
- Condition
- Fair
- Comments
- —
Salt Marsh Field Assessment Results
Comprehensive field assessment dataPhysical Conditions Assessment
Channel Conditions
- Channel Alteration and Ditching
- None
- Channel Constriction
- Narrower than channel
- Channel Erosion
- None
- Sediment Deposits
- None
Blockages
- Debris Blockages
- None
- Evidence of Overtopping
- No
Ecological Assessment
Habitat Observations
- Ecological Impairment due to Tide Gate
- Severe
- Crab Burrow Intensity
- None
- Ponding and Die-off Depressions
- Limited(<10% of marsh platform
- Phragmites Present
- Severe (>60%)
Invasive Species
- Upstream Invasive Species
- Yes
- Downstream Invasive Species
- No
- Invasive Species Notes
- Dense phragmites monoculture
General Comments
A dense phragmites monoculture exists from upland border to upland border. Upstream end of culvert could not be accessed due to fencing and phragmites. Although marsh appears to receive little to no tidal exchange, there may be no opportunities to increase flow due to proximity of houses at a similar elevation to the marsh. Downstream end of culvert is within jetty. The tide gates are within manholes and could not be accessed.Habitat Transects
First Transect (50 yards upstream of tide gate)
No data
Second Transect (150 yards upstream of tide gate)
No data
Third Transect (300 yards upstream of tide gate)
No data
Restoration Potential
Assessment
- Salt Marsh Impairment due to Tidal Restriction
- Moderate
- Potential Extent of Marsh Restoration
- Moderate
- Implementation Feasibility
- High
- Restoration Priority
- High
- Recommended Improvement Type
- O&M and Infrastructure
Notes
Site shows moderate salt marsh impairment due to restricted tidal flow. Replacement with self-regulating tide gate could restore approximately 5-8 acres of degraded marsh habitat. Good access for construction equipment. Regional coordination completed with town DPW and conservation commission.Historical Records
Environmental Data
- Invasive Species
- No
- Restoration Status
- —
- Invasive Comments
- —
- Restoration Comments
- —
- Upstream Area
- —
Notes & Comments
- General Comments
- review of aerials indicates that tide gate potentially located closer to shore, located in close proximity to tidegate 87
- Operation Plan
- Yes
- Operation Comments
- —
- Gate Comments
- —
- Elevation Comments
- —
- Visit Comments
- —
- Other Comments
- —
- External Data Comments
- —
Part of the Massachusetts Bays Program© 2026 Massachusetts Bays Program. Monitoring tidegates across Massachusetts.