Eastham-02
Eastham, Hatches Creek
41.930046, -70.029556
Technical Specifications
Basic Properties
- Type
- Flap Gate
- Material
- Metal
- Control
- —
- Condition
- —
- Geometry
- Circular
- Status
- Removed
- Number of Gates
- 1
Operator & Management
- Operator Type
- PRIVATE
- Operator
- —
- Permits
- —
- Purpose
- —
Dimensions & Elevations
- Dimensions
- 2ft diameter
- Invert Elevation
- —
- Installation Date
- —
- Tidal Influence
- —
Culvert Details
- Restriction Type
- Berm
- Geometry
- Circular
- Material
- Corrugated Metal
- Bottom Material
- —
- Number of Pipes
- 1
- Dimensions
- 2ft diameter
- Condition
- —
- Comments
- —
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
Tide gate no longer exists per the 2015 studyHabitat 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
- Complete
- Invasive Comments
- —
- Restoration Comments
- This Tide Gate was removed during the removal of an old dike as part of a salt marsh restoration project.
- Upstream Area
- Total: 16.51, Salt Marsh: 6.31
Notes & Comments
- General Comments
- —
- Operation Plan
- —
- Operation Comments
- This Tide Gate no longer exists.
- 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.