TideGateway

Rowley-01A

Rowley, North Pool

42.744239, -70.803628

Technical Specifications

Basic Properties

Type
Sluice Gate
Material
Metal
Control
Manual Gear
Condition
Fair
Geometry
Rectangular
Status
Active
Number of Gates
0

Operator & Management

Operator Type
PUBLIC
Operator
USFWS
Permits
ACOE
Purpose
Other

Dimensions & Elevations

Installation Date
1987

Culvert Details

Restriction Type
Berm
Geometry
Rectangular
Material
Concrete
Number of Pipes
0
Dimensions
3ft diameter, 3ft height
Condition
Fair

Historical Records

Legacy data from previous surveys and documentation

Environmental Data

Invasive Species
Yes
Restoration Status
Proposed
Invasive Comments
Phragmites -- treated 3-5 year cycle, loosestrife present but somewhat in check by beetles.
Restoration Comments
Restoration is possible and is currently being evaluated. Extensive data is being collected for future modeling scenarios. Monitoring is being established to analyze changing conditions with sea level rise.

Notes & Comments

General Comments
Tide gate located at the Parker River National Wildlife Refuge at a berm not accessible by the general public. USFWS must be contacted to obtain access. Followups - USFWS can provide additional details with a field visit including tide gate and culvert dimensions, invert elevations, upstream acreage, and photos.
Operation Plan
Yes
Operation Comments
The tide gate is occasionally operated for vegetation control and other management needs. It was installed for waterfowl breeding management; however. this is no longer an objective. The impoundment is currently managed for marsh and wading birds. There is no specific operational plan for the tide gate - it is adjusted as needed per the Refuge's annual habitat work plan.
Gate Comments
Tide gate is a rectangular metal screw gate with the potential to be fit with a plank stop log. It was installed in the 1980's - exact date unknown. The condition of the tide gate is fair - it does not create a tight seal and there is significant water movement around the gate.
External Data Comments
US ACOE CENED-OD-R-24-85-229 Permit 9.9.1987
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