Hull-01
Hull, Hull Bay
42.282303, -70.879814
Technical Specifications
Basic Properties
- Type
- Flap Gate
- Material
- Metal
- Control
- —
- Condition
- Fair
- Geometry
- Circular
- Status
- Active
- Number of Gates
- 1
Operator & Management
- Operator Type
- PUBLIC
- Operator
- Town of Hull DPW
- Permits
- —
- Purpose
- Flood Protection
Dimensions & Elevations
- Dimensions
- 3ft diameter
- Invert Elevation
- —
- Installation Date
- —
- Tidal Influence
- —
Culvert Details
- Restriction Type
- Roadway
- Geometry
- Circular
- Material
- Concrete
- Bottom Material
- —
- Number of Pipes
- 1
- Dimensions
- 3ft diameter
- Condition
- Good
- Comments
- —
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
- Yes
- Restoration Status
- —
- Invasive Comments
- Lots of phragmites present upstream of the tide gate and pump. Water was very stagnant and no flow was evident at the time of the site visit.
- Restoration Comments
- —
- Upstream Area
- Salt Marsh: >10 acres
Notes & Comments
- General Comments
- This is a pump station that pumps storm water from a large area of the towns stormwater drainage system through an adjacent open ditch and out to the bay.
- Operation Plan
- —
- Operation Comments
- Pump system drains inland areas because flooding is an issue. Tide gate is open only very slightly.
- Gate Comments
- Wall with pumped outlet (with duckbill).
- Elevation Comments
- —
- Visit Comments
- —
- Other Comments
- —
- External Data Comments
- —
Part of the Massachusetts Bays Program© 2026 Massachusetts Bays Program. Monitoring tidegates across Massachusetts.