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Enhancing Connectivity in the Ash-Black Rock Subbasin of the WB Narraguagus River, Maine

This project will replace two poorly functioning culverts with open bottom arch culverts to allow unhindered fish passage and restore overall ecological stream connectivity. Once complete, the project will open 4.3 miles of habitat from Ash Bog Stream to Black Rock Brook which flows to the West Branch of the Narraguagus River.

Photo showing the outlet of the culverts on Ash Bog Stream in Maine.  Outlets are perched during most of the summer and the undersized culverts lead to overwash and sedimentation in the stream.

Photo showing the outlet of the culverts on Ash Bog Stream in Maine. Outlets are perched during most of the summer and the undersized culverts lead to overwash and sedimentation in the stream

Photo showing the outlet of a perched ulvert on an Unnamed Tributary on Ash Bog Stream in Maine.

Photo showing the outlet of a perched ulvert on an Unnamed Tributary on Ash Bog Stream in Maine

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