Reducing Combined Sewer Overflows in NYC – DEP’s Long Term Control Plan
Water Quality Planning Process for Local Waterways
On March 8, 2012, the New York State Department of Environmental Conservation (DEC) and DEP signed a groundbreaking agreement to reduce combined sewer overflows (CSOs) using a hybrid green and gray infrastructure approach. As part of this agreement, DEP will develop 10 waterbody-specific LTCPs plus 1 citywide LTCP to reduce CSOs and improve water quality in NYC’s waterbodies and waterways. The goal of each LTCP is to identify appropriate CSO controls necessary to achieve waterbody-specific water quality standards, consistent with the Federal CSO Policy and the water quality goals of the Clean Water Act (CWA).
Read the original Order on Consent executed between DEC and DEP:
Read the 2012 Order on Consent:
CSO Consent Order Documents
2016 Quarterly Reports:
Learn more about the LTCP process and DEP’s CSO program:
Read the LTCP Goal Statement:
LTCP Public Participation Plan
The LTCP Public Participation Plan describes the methods DEP will utilize to raise awareness about, foster understanding of and encourage input on the development of waterbody-specific and citywide LTCPs.
LTCP Citywide Meetings
Please visit the LTCP Citywide Meetings Homepage for meeting summaries, presentations, agendas, informational handouts and more!
Citywide LTCP Related Reports
If you wish to submit comments or suggestions on the Long Term Control Plan, please email them to firstname.lastname@example.org.
If you wish to sign up to receive LTCP Program announcements, please click here and include your name and contact information in the body of the email.
NYC Waterbody Advisory Program
Click the below link to launch DEP’s real-time NYC Waterbody Advisory Program:
Waterbody/Watershed Facility Plans
The following Waterbody/Watershed Facility Plans have been submitted to DEC