Stormwater General Permit

The New Jersey Department of Environmental Protection (NJDEP) Tier A Municipal Stormwater General Permit authorizes the discharge of stormwater from Princeton's municipal separate storm sewers and addresses stormwater quality issues. The Tier A Municipal Stormwater General Permit and associated documentation can be found on the NJDEP Bureau of Stormwater Permitting website. The New Jersey Pollutant Discharge Elimination System (NJPDES) Rules can be found on the NJDEP Division of Water Quality website.

Princeton MS4 R9 Authorization Permit (effective from 1/1/23 through 12/31/27)

Stormwater Pollution Prevention Plan (SPPP):

 The SPPP describes how we implement the permit requirements in regards to our stormwater program.

Stormwater Pollution Prevention Plan (SPPP) Updated 06-30-2023 (PDF)

Stormwater Pollution Prevention Plan (SPPP) Appendix A Street Sweeping Map (PDF)

Stormwater Pollution Prevention Plan (SPPP) Appendix B Outfalls Map (PDF)

Stormwater Management Plan

The Stormwater Management Plan (SMP) is incorporated into the Utility Service Element section of the Princeton Community Master Plan. The SMP includes Appendices E and E2 and Appendices C1 through C16.