Green infrastructure collects stormwater from streets, sidewalks, and other hard surfaces before it can enter the sewer system or cause local flooding. By reducing the amount of stormwater that flows into the Sewer System, green infrastructure helps prevent Sewer Overflows and improves the health of local waterways.
Green Infrastructure Reports and Plans
To view our Green Infrastructure reports from previous years, visit our Document Portal and search for “Green Infrastructure.”
Green Infrastructure Standards and Specifications
DEP has developed design guidelines, standards and specifications for:
These design standards and procedures are used by engineers, architects, landscape architects, and other city agencies to streamline the development of contract plans and drawings, and reduce the timeline and costs associated with design and approval processes. For access to previous versions of the Standards for Green Infrastructure, please contact firstname.lastname@example.org.
Green Infrastructure Protections
Proper protection of Green Infrastructure is crucial as contractors shall be liable for any damage to assets due to construction activities. Please notify email@example.com at least 48 hours prior to commencing construction work near Green Infrastructure.
Impervious Area Map Layer
This DEP-developed Geographic Information System (GIS) land cover map layer displays citywide pervious areas (surfaces that allow water to pass through to the underlying soil, like permeable pavers or rain gardens) and impervious areas (surfaces that do not allow water to pass through, like asphalt or concrete) at the parcel level. It supports ongoing citywide planning efforts and programs related to stormwater, resiliency, and other initiatives.