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Carnation Drive / I-270 Stormwater Management

Purpose: This project funds the retrofit of two existing SWM facilities, Carnation Drive and I-270 Industrial Park, in the upper Watts Branch watershed near Woodley Gardens, and includes modernizing the dry ponds to provide full channel protection storage (one-year, 24-hour extended detention). These SWM improvements are recommended in the Watts Branch Watershed Study. In addition, implementing this watershed improvement project supports Rockville's contribution to Maryland's voluntary C2K initiatives, as well as supports mandatory compliance with NPDES and TMDL requirements. Staff will work closely with the community in the concept-refinement phase to access project modifications that reduce the impact on the forest, and active and passive recreational areas. The focus will be to select a design and location that will provide sufficient stormwater control to arrest the active stream erosion, while minimizing the impact on the community's access to useable open space and minimizing tree loss.  Stream restoration was removed from this project at the request of the community.

First Appeared in Rockville's Capital Improvement Program: Fiscal Year 2002.

Staff Contact: Department of Public Works, Lise Soukup, Civil Engineer II, 240-314-8500.

Page updated: 5 February 2008