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Fish Passage Project

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Data Image
Stream: Patapsco River Union Dam
Stream Order: N.A.
County: BA/HO
Location: Near Ellicott City
Lat/Long: N.A.
Ownership: State of Maryland - DNR
Point of Contact: N.A.
Structure Type: Dam
Type of Passage: Dam Removal (Currently Breached)
Miles of Habitat Reopened: Miles Already Counted as Opened
Target Species: N.A.
Construction Start Date: N.A.
Completion Date: Fall 2006
Comments This dam was breached during a storm event in 1990. At the time, it was assumed that the breach would allow passage of fish. Since the breach, bank erosion on the right side of the breach has worsened and velocities have increased. The erosion is threatening a major sewage line, efforts to stabilize the bank with rip-rap have failed. DGS has secured funds to remove the dam.


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