Peirce Mill Dam Fishway - Washington, D.C.
Posted by: Groundspeak Premium Member Marine Biologist
N 38° 56.421 W 077° 03.085
18S E 322206 N 4312158
Quick Description: This fishway is associated with Peirce Mill Dam, which was completed in 1906 to create a scenic waterfall on Rock Creek in Washington, D.C., USA.
Location: District of Columbia, United States
Date Posted: 10/16/2013 6:07:40 PM
Waymark Code: WMJ9XM
Published By: Groundspeak Premium Member elyob
Views: 26

Long Description:
This dam is located behind the historic Peirce Mill. A sign at the dam provides the following information about the dam and its fishway:

"Peirce Mill Dam was completed in 1906 to create a scenic waterfall on Rock Creek. Since its construction, the dam has prevented spawning herring and other migratory and resident fish from swimming further upstream. A Denil fishway was installed in 2006 to provide fish access to the upper reaches of the creek. This fishway consists of a series of baffles inserted into a concrete channel. The channel passes between the stone walls located on the east side of the dam. The baffles act like rungs in a ladder. Now the fish can swim from level to level up and over the dam. Arrows point to the fishway entrance and exit. This fishway and the removal or alteration of other obstacles has restored the "Herring Highway", the ancestral spawning route of Blueback herring and Alewife."

Additional information about the fishway project is available on the internet (visit link).

River/Waterway: Rock Creek

Visit Instructions:
Please share a self-made picture of the Fish Ladder and tell us something about it. Did you see any fishes? You do not have to be in the picture, neither does your GPSr.
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Recent Visits/Logs:
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AZTech visited Peirce Mill Dam Fishway - Washington, D.C. 7/30/2014 AZTech visited it
Searcher28 visited Peirce Mill Dam Fishway - Washington, D.C. 9/8/2013 Searcher28 visited it

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