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Published August 14, 2025 at 8:00 PM
Updated August 27, 2025
Site work for a water / sewer project in Rockville, Maryland. Completed plans call for site work for a water / sewer project.
Croydon Creek & Calvin Park Tributary Stream Restoration Project is a stream restoration and stabilization project located in Rockville, MD. The Project will restore approximately 3,800 LF of heavily impacted urban stream channel, and includes furnishing of all materials, labor, equipment, tools and services, and all other associated work. 2025-00017 Questions Due - July 24, 2025, at 2:00 P.M. EST The Croydon Creek & Calvin Park Tributary Stream Restoration project (The Project) is located within the Rock Creek Watershed. Rock Creek originates in northern Montgomery County, passes briefly through Rockville, and continues through the District of Columbia to meet the Potomac River. The Rock Creek watershed encompasses 4 square miles of the eastern side of the City. The watershed includes parts of Rockville Town Center and the Rockville Pike/Hungerford Drive corridors, the neighborhoods of Lincoln Park, East Rockville and Twinbrook, and industrial areas along Gude Drive and Southlawn Lane, as well as Redgate Golf Course and the City's Civic Center Park. The Project is within a recreation park solely owned by the City of Rockville. This project combines discontinuous work on Croydon Creek and the Calvin Park Tributary. The Croydon Creek section begins at a failed dam northwest of the Glenview Mansion and continues easterly to the Rock Creek Regional Park. There are many very tight meander bends and vertical banks with no vegetation. The stream has downcut 2.5 to 3.0 feet on average. The bed and bank erosion has resulted in excessive sediment within the stream, causing large point bars, side bars, and mid-channel bars. Calvin Park Tributary stream corridor, begins at Baltimore Road, flows in a northerly direction toward Croydon Creek. The stream contains sediment deposits, is severely incised, actively eroding, and widening. The Croydon Creek Stream restoration is designed to improve water quality and restore habitat both in stream and within the forested buffer. The proposed design includes natural channel design techniques, such as rock wiers and riffle grade control structures, to provide local lifting of the channel invert to increase access to the floodplain during storm flows and to enhance riffle habitat. Additionally, a series of riffle weirs and a boulder cascade with a pedestrian bridge crossing are proposed for the deeply incised and entrenched outfall channel from Norbeck Road. The discontinuity is a result of a stream section previously restored by the Washington Sanitary Sewer Commission.
Post-Bid
Water / Sewer
$4,225,487.00
Public - City
Site Work
Trades Specified
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August 26, 2025
October 27, 2025
852 Avery Rd, Rockville, MD
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