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NYC stormwater management program

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Each year, the City prepares an MS4 annual report to inform NYSDEC and the public of the City’s progress in implementing the Stormwater Management Program (SWMP) and the status of compliance with the Municipal Separate Sewer Systems (MS4) permit.

Sub title
  • 2020 MS4 annual report
Report type
  • Reports - Annual
Date published
  • 2021-10-01
Fiscal year
  • 2020
Required Report Name
  • Report on the Implementation Status of a Sustainable Stormwater Management Plan