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Hydrology and Low Impact Development CXS

The mission of the Hydrology and Low Impact Development (LID) Center of Expertise in Sustainability (CXS) is to provide guidance and technical support for the design and construction of LID features to manage stormwater and reduce the impact of the constructed environment on the surrounding natural resources. The Energy Independence and Security Act (EISA) of 2007, Section 438 requires that any development or redevelopment project involving a Federal facility with a footprint that exceeds 5,000 square feet shall use site planning, design, construction, and maintenance strategies for the property to maintain or restore, to the maximum extent technically feasible, the predevelopment hydrology of the property with regard to the temperature, rate, volume, and duration of flow. LID features can be implemented on projects to meet the requirements of EISA Section 438. Careful planning and development can strategically create areas that reduce quantity of runoff from a site.

The Army Low Impact Development Technical User Guide is provided to assist DoD planners, engineers, and stormwater managers in meeting the requirements of the Energy Independence and Security Act (EISA) of 2007, Section 438, for their facility.

Contact: LID@usace.army.mil

Photos

Green roof at Army National Guard Readiness Center, Arlington, Virginia.
Green Roof
Green roof at Army National Guard Readiness Center, Arlington, Virginia.
Bioretention with forebay and overflow inlet in parking lot at Fort Meade, Maryland.
Bioretention with Forebay and Overflow Inlet
Bioretention with forebay and overflow inlet in parking lot at Fort Meade, Maryland.
Bioretention with impervious disconnection in parking lot at Fort Meade, Maryland.
Bioretention with Impervious Disconnection
Bioretention with impervious disconnection in parking lot at Fort Meade, Maryland.
Impervious disconnection - Runoff sheet flows from parking lot to landscape buffer and infiltration trench at Fort Meade, Maryland.
Impervious Disconnection
Impervious disconnection - Runoff sheet flows from parking lot to landscape buffer and infiltration trench at Fort Meade, Maryland.
Infiltration trench in parking lot at Fort Meade, Maryland.
Infiltration Trench
Infiltration trench in parking lot at Fort Meade, Maryland.
Permeable pavers in parking lot at Fort Lee, Virginia.
Permeable Pavers
Permeable pavers in parking lot at Fort Lee, Virginia.
Bioretention in open area between road and building at Fort Lee, Virginia.
Bioretention in Open Area
Bioretention in open area between road and building at Fort Lee, Virginia.
Green roof retrofit on industrial building at Tobyhanna Army Depot, Pennsylvania.
Green Roof Retrofit
Green roof retrofit on industrial building at Tobyhanna Army Depot, Pennsylvania.
Modular vegetated green roof system at Tobyhanna Army Depot, Pennsylvania.
Modular Vegetated Green Roof System
Modular vegetated green roof system at Tobyhanna Army Depot, Pennsylvania.