Kirwans Landing

Chester, MD   At the request of Queen Anne’s County DPW, U&A designed and constructed an RSC in the Kirwin’s Landing development. This stream restoration extends 220’ linear feet in a series of riffles and pools and resulted in .23 acres of wetland creation. This was the first Regenerative Design project constructed in Queen Anne’s […]
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Lizard Hill

Bishopville, MD   This design/build project completed in 2011  had a number of goals including fish passage restoration to open 7 miles of stream to anadromous fish, stream restoration and floodplain reconnection of 5,500 linear ft of Buntings Branch, wetland creation of 19.25 acres of Atlantic White Cedar wetlands, reforestation of 6.4 acres of upland […]
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Homestead Gardens

Davidsonville, MD The project was funded by the Chesapeake Bay Trust, the Maryland Department of Natural Resources, and Homestead Gardens and designed and constructed by Underwood & Associates. In addition to restoring headwater wetland functions and habitat, the 1-acre project treats 12 acres of runoff coming from parking lots, building roofs, and nursery operations flowing […]
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North Carolina Ave

pasadena, MD Coastal plain outfall repair design and construction management. Underwood and Associates was responsible for Schematic Design Preparation, Design Document Preparation, State and Federal Permitting, Construction Document Preparation, Application for and Obtaining the Grading Permit, Bidding Phase Services, and Construction Phase Services.
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Forest Drive

Annapolis, MD   Forest Drive is a design/construction oversight project. This regenerative stormwater conveyance (RSC) detains and treats stormwater that is draining from the Forest Drive corridor, under Merryman Road and ultimately into an un-named tributary of Spa Creek. The RSC consists of a system of sand berms, riffle weir grade controls, and pools, all constructed […]
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Dunkeld Manor

Severna Park, MD   This design project focused on improving a dysfunctional existing infiltration basin between Isaiah Drive and Dunkeld Court in Severna Park which caused residential flooding issues. Underwood designed  an RSC which will increase the quality of the water and decrease the peak flow and the velocity of water leaving the site. The proposed […]
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Leelyn Drive

Severna Park, MD The existing stormwater management pond and swale system at Leelyn Drive was retrofitted with a coastal plain outfall under this project. The design goal for this project was to improve the system’s water quality by providing water quality treatment in accordance with DPW’s “Design Guidelines for Step Pool Storm Conveyance Systems.”
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Central Sanitation

Central Sanitation (Millersville, MD) BioHabitats Collaboration Project Central Sanitation is an integrated RSC system seamlessly connecting storm water management features within the developed section to the regenerative stream channel restoration. Our role on this project was design and construction management. The original incised channel extended 1,700 linear feet. Our design realigned the channel and incorporated […]
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Saefern

Annapolis, MD This design/build project was requested by the Saefern Community Association and completed in 2009. A steep slope located beside the community marina parking lot displayed significant erosion which discharged high volumes of polluted stormwater and sediment into Clements Creek, a tributary of the Severn River. Through the Chesapeake Bay Trust Stewards Program, a Regenerative Stream Channel system (RSC) […]
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Arlington Echo

Millersville, MD This design/build project, completed in 2009, is a living shoreline which stabilizes 250 linear feet of deteriorating bulkheads. Approximately 6,000 square feet of tidal wetlands and 250 linear feet of shoreline were created.This living shoreline project is one of many environmental projects at this site which as a whole serve as a living […]
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