To view or download the New York City Stormwater Manual, click here.
To view or download the various appendices to the New York City Stormwater Manual, click below:
Appendix A: Stormwater Management Practice Hierarchy Checklist
Appendix B: Nitrogen No Net Increase Calculator Guide
Appendix C: Stormwater Management Practice Siting Criteria
Appendix D: Stormwater Management Practice Sizing Examples
Appendix E: Site Design Example
Appendix F: Controlled-Flow Pump Workbook [Excel format]
Appendix G: Detention in Series Workbook and Examples
Workbook [Excel format]
Appendix H: Right-of-Way Guidance Materials
Tracking Form [Excel format]
To view or download the various appendices to the New York City Stormwater Manual, click below:
Appendix A: Stormwater Management Practice Hierarchy Checklist
Appendix B: Nitrogen No Net Increase Calculator Guide
Appendix C: Stormwater Management Practice Siting Criteria
Appendix D: Stormwater Management Practice Sizing Examples
Appendix E: Site Design Example
Appendix F: Controlled-Flow Pump Workbook [Excel format]
Appendix G: Detention in Series Workbook and Examples
Workbook [Excel format]
Appendix H: Right-of-Way Guidance Materials
Tracking Form [Excel format]
(Added City Record 2/15/2022, eff. 2/15/2022; amended City Record 1/2/2024, eff. 2/1/2024; amended City Record 8/30/2024, eff. 9/29/2024)