Anacostia Watershed Society Stream Corridor Assessment Upstream from New Hampshire Ave
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The following information was provided by Masaya Maeda of the Anacostia Watershed Society.

AWS has decided to conduct a SCA (Stream Corridor Assessment) survey on the Northwest Branch and has already conducted it on a small portion of the stream. We would like to identify environmental problems such as eroding stream banks, inadequate stream buffers, exposed pipes, altered stream channels, fish migration barriers, pipe outfalls, in-stream construction sites and trash dumping locations along the branch. The major findings will be reported appropriately. The data will be also used to raise people's awareness of stream problems and eventually it will be incorporated into WRAS project by State Government.

Survey Date: 4/6/2005

Site 214102 Exposed Pipe
A sewer manhole stack in a stream flowing to the NW Branch. It is vulnerable.

Zoom-in picture

214110 Comment
Around this stretch, waters from tributaries, small streams flowing to the main stream of NW Branch are clear.
Main stream conveys turbid water. I would like to track down the turbid water to know from where it comes.

Original Picture

Picture with guide Clear water flows to the main stream of NW branch. Water in the mainstream is turbid.

213119 Comment
Observation of stormwater flushing. This is one example of many "small" streams.
The streams are "small" when it is sunny, but it is not "small" when it is rainy.

Original Picture

Picture with guide Red lines show the water way when it rains. Blue line is the actual flow when it is sunny. This tells the flushing of stormwater into the NW Branch. Manhole stack can be seen "in" the stream.