Wellfleet-02C
Wellfleet, Herring River
41.930047, -70.029536
Technical Specifications
Basic Properties
- Type
- Sluice Gate
- Material
- Metal
- Control
- —
- Condition
- —
- Geometry
- Rectangular
- Status
- Active
- Number of Gates
- 3
Operator & Management
- Operator Type
- PUBLIC
- Operator
- Town of Wellfleet / Cape Cod National Seashore
- Permits
- —
- Purpose
- —
Dimensions & Elevations
- Dimensions
- 6ft diameter, 6ft height
- Invert Elevation
- —
- Installation Date
- —
- Tidal Influence
- —
Culvert Details
- Restriction Type
- Roadway
- Geometry
- Rectangular
- Material
- Concrete
- Bottom Material
- —
- Number of Pipes
- 3
- Dimensions
- 6ft diameter, 6ft height
- Condition
- —
- Comments
- One of the culverts is a 6' x 6' box
Salt Marsh Field Assessment Results
Comprehensive field assessment dataPhysical Conditions Assessment
Channel Conditions
- Channel Alteration and Ditching
- None
- Channel Constriction
- Equal to 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
- None
- Crab Burrow Intensity
- None
- Ponding and Die-off Depressions
- None
- Phragmites Present
- None
Invasive Species
- Upstream Invasive Species
- No
- Downstream Invasive Species
- No
- Invasive Species Notes
- —
General Comments
Marsh inaccessible due to large scale construction. Bridge and culvert are being completely replaced and redesigned. Marsh should be reassessed after construction is complete.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
- —
- Restoration Status
- —
- Invasive Comments
- —
- Restoration Comments
- Planning and permitting largely complete; fundraising for restoration construction is ongoing. Construction could occur in the next 5 years if funds are obtained.
- Upstream Area
- Total: 1000, Salt Marsh: 0.81
Notes & Comments
- General Comments
- Refer to Welfleet-02A for source data.
- Operation Plan
- —
- Operation Comments
- —
- Gate Comments
- Two flapper gates installed at two 7'x7' box culverts and an adjustable sluice gate installed at a 6'x6' box culvert.
- Elevation Comments
- —
- Visit Comments
- —
- Other Comments
- —
- External Data Comments
- —
Part of the Massachusetts Bays Program© 2026 Massachusetts Bays Program. Monitoring tidegates across Massachusetts.