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Guidelines for the Design and Construction of Stormwater Management Systems

In conjunction with the implementation of the new stormwater performance standard, DEP has published a companion document, Guidelines for the Design and Construction of Stormwater Management Systems, to assist New York City's development community and licensed professionals in the selection, planning, design and construction of onsite source controls that comply with the new rule.  The guidelines were developed in consultation with the Department of Buildings, and feature guidance on siting, design and construction considerations for various stormwater control systems, as well as operation and maintenance recommendations.

DEP’s stormwater performance standard was promulgated on January 4, 2012 after soliciting and receiving comments from various industry and environmental stakeholders. Likewise, DEP went through an extensive peer review process for the development of these guidelines that incorporated input from representatives of multiple city agencies, members of design, engineering, real estate communities and leaders in sustainability.

These guidelines will be continually updated to reflect any future changes to stormwater rules and the latest technologies and best practices. These guidelines also include a system calculator to assist developers and licensed professionals in determining space requirements for the most appropriate system. DEP’s stormwater performance standard is effective July 2012.

Read the Document

Additional Tools

(It is recommended that you download this calculator file prior to each use to ensure it is up-to-date.)


Related Links

If you wish to submit feedback on the calculator or have technical issues, please email swcalculator@dep.nyc.gov.