August 21, 2012 - 7:31 am

Mayor Gray announces a task force to address area flooding

Post-flooding debris along the 100 block of Rhode Island Avenue NW

Later this morning, Mayor Vincent Gray, Councilmember Kenyan McDuffie (D – Ward 5), and representatives from DC Water and District agencies, will announce the creation of a task force to address the flooding that has occurred in numerous basements in LeDroit Park and Bloomingdale since July.

The mayor and councilmember will hold the press conference today at 11:30 am at the park at triangle park at First Street and Florida Avenue NW.

During several downpours in July, the overtaxed sewers below Florida Avenue in LeDroit Park and below several streets in Bloomingdale backed up into residents’ basements.

DC Water, the semi-independent agency that manages the drinking water and sewer infrastructure, says the completion of new diversion sewer tunnels in 2025 will solve the problem for good. Waiting 13 years is little consolation for residents whose basements have flooded with diluted sewage.

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July 11, 2012 - 12:41 am

Storm floods streets and basements of Bloomingdale

During torrential downpours the Bloomingdale neighborhood experiences flooding. Yesterday evening’s storm flooded numerous Bloomindale basements and the intersection of Rhode Island Avenue, T Street, and First Street NW.

The Boundary Stone restaurant (116 Rhode Island Avenue NW) posted a photo of a flooded Rhode Island Avenue NW.

Why did this section of the street flood? DC Water, which runs the water pipes, sewers, and storm drains, blames the lack of pipe capacity in Bloomingdale.

A closer look at the 1861 Boschke map of the District of Columbia reveals that the northern reaches of Tiber Creek flowed right through Bloomingdale. In fact the creek flowed right where Rhode Island Avenue flooded at T Street NW.

Boschke map with modern streets superimposed

Whether the creek still flows underground in this location is something I will leave to experts. However, creeks, like all water, flow to the lowest point on the land. The creek’s former presence at this location suggests that the terrain slopes downward on all sides, directing rainwater to this critical flood point.

Ward 5 Councilmember Kenyan McDuffie (D) was on the scene and DC Water has promised to brief him soon on their Bloomingdale flood solution, which they say is on the way. Though this degree of flooding is rare, Bloomingdale residents will surely welcome and demand a permanent fix.

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