Marshfield-04A
Marshfield, Green Harbor
42.086388, -70.650720
Technical Specifications
Basic Properties
- Type
- Flap Gate
- Material
- Wood
- Condition
- Unknown
- Geometry
- Rectangular
- Status
- Active
- Number of Gates
- 1
Operator & Management
- Operator Type
- PUBLIC
- Operator
- Town of Marshfield
- Purpose
- Unknown
Dimensions & Elevations
- Installation Date
- 2009
Culvert Details
- Restriction Type
- Roadway
- Geometry
- Rectangular
- Material
- Concrete
- Bottom Material
- Other
- Number of Pipes
- 2
- Condition
- Unknown
Historical Records
Environmental Data
- Invasive Species
- Yes
- Restoration Status
- In-Progress
- Invasive Comments
- Phragmites observed dying back on fringe.
- Upstream Area
- Salt Marsh: >100acres
Notes & Comments
- General Comments
- Site is located directly off of Dyke Road and easily accessible. Note that Jason Burtner can provide permitting drawings and other relevant files and site information to further flesh out attributes.
- Gate Comments
- New gate installed in 2009, adjustments completed in 2011. It is a 4-bay flapper system with one gate replaced by adjustable sluice. Please see Marshfield-04A, Marshfield-04C, and Marshfield-04D for information on the other tide gates.
- Other Comments
- Reclaimed land originally for grazing, this area is a polder
- External Data Comments
- Green Harbor River Operation and Maintenance Plan 3.17.2009 Green Harbor River Tide and Precipitation Data 12.31.2009
Part of the Massachusetts Bays ProgramNavigation
Learn More
© 2025 Massachusetts Bays Program. Monitoring tidegates across Massachusetts.