Reply to Sewage in Rock Creek Park

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[quote=Anonymous]There are a couple of separate matters here.  First, the answer to your question depends on where you are in the park.  In the Piney Branch watershed, the respondent is correct that there's a CSO that releases sewage overflow by design into the stream and Rock Creek.  However, the majority of the tributaries of Rock Creek have had separated systems for many years now.  The smell may be venting from sanitary sewer lines running under the park; our system is gravity-fed and the tributaries are the lowest points in the systems, so that's where the lines are.  DC Water is working on repairing those lines, but it is a very complex, slow and difficult process.

The Clean Rivers program is well underway.  DC Water focused first on the Anacostia.  There is an effort in Piney Branch to address the problem, and so far, DC Water has tried to reduce the runoff.  However, it is likely that some sort of tunnel will be needed to capture and hold runoff before sending it to Blue Plains for treatment.

Last, pets are no doubt a contributor to the persistent E. coli problem in our streams.  However, it is very likely that leaks in the sanitary sewer account from the majority of the problem.  We should begin to receive data on this in 2024 once the Soapstone Valley project is complete.  [/quote]

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