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Sewer Connections (Storm, Sanitary, Combined)

Overview of Sewer Certification and Sewer Connection Permitting Process

This two-page brochure is an introduction to the steps necessary to be taken when one proposes to connect to the City sewer. It explains how to obtain a sewer certification (DEP approval that the City sewer can accept the proposed discharge) and subsequent sewer connection permit (actual authorization to conduct the connection work) from DEP.



Sewer Certification Documents

A sewer certification (a.k.a. sewer availability certification) is a House Connection Proposal application or Site Connection Proposal application to certify the adequacy of the existing abutting sewer to receive site storm and sanitary discharge from a development. A sewer certification is required for any new connection to a City sewer, a private sewer, a private drain, a septic system, or an approved outlet. Sewer certification may also be required for an alteration or renovation that increases the sanitary and/or storm flow generated on the site. Please consult the New York City Department of Buildings for specific criteria on alterations and renovations. Sewer certifications must be submitted by New York State licensed Professional Engineers or Registered Architects on behalf of an owner / developer.

Sewer Certification Frequently Asked Questions



Helpful Links for Sewer Certification



DEP House Connection Proposal Application & Guidelines

The House Connection Proposal form must be filed to obtain sewer certification for one, two, or three family dwelling units that are “fee simple” (i.e., the title holder has exclusive ownership of and rights to the property). These properties must also be (a) without commercial use; (b) with individual connections to existing sewers fronting the property; and (c) without any “common” drainage facilities (i.e., drainage facilities connected to another dwelling unit). As an exception, proposed siamese connections should be submitted using the House Connection Proposal application. All House Connection Proposals must be prepared by or under the supervision of a Professional Engineer or Registered Architect licensed by the State of New York.



DEP Site Connection Proposal Application & Guidelines

The Site Connection Proposal form must be filed to obtain sewer certification for all developments that do not meet the criteria above for House Connection Proposals. All Site Connection Proposals must be prepared by or under the supervision of a Professional Engineer or Registered Architect licensed by the State of New York.



Criteria for Determination of Detention Facility Volume – NEW!

The Criteria for Determination of Detention Facility Volume includes steps to calculate required storage volumes and release rates. This document explains how to determine the required detention facility volume. This calculation is required in a House Connection or Site Connection Proposal application that includes a proposed detention facility.

On January 4, 2012, a revision to Chapter 31 of Title 15 of the Rules of the City of New York, Rules Governing House/Site Connections to the Combined Sewer System was promulgated. This revision includes “reduc[ing] the release rate of storm flow from new developments to 10% of the drainage plan allowable or 0.25 cfs whichever is higher (for cases when the allowable storm flow is more than 0.25 cfs)” this rule will become effective on July 4, 2012, applications for House Connection or Site Connection Proposals received after the effective date of this rule will be subject to the new rule. There are no changes for connections to storm sewers.



House Connection Proposal Site Plan Templates

A site plan is required when submitting House Connection Proposal applications. This template must be used to ensure all required items are included in the site plan.


Site Connection Proposal Site Plan Templates

A site plan is required when submitting Site Connection Proposal applications. This template must be used to ensure all required items are included in the site plan.


Template for Affidavit in Lieu of Draft Prospectus for Condominiums or Homeowners Association

This template is required as a supporting document in House Connection Proposal and Site Connection Proposal applications when an applicant is proposing a Condominium or Homeowner's Association. Any modification to the language in this template is subject to approval by the DEP Legal Department.



Deed Restriction Template

This sample deed restriction template must be used by property owners who are constructing more than one building on a lot with a common connection to the sewer. A copy of the deed restriction must be submitted to obtain sewer certification. This template is for guidance only and may be modified based on your specific requirements. However, consult the DEP Legal Department if a substantial deviation from the template is required.



Specifications for Drill-in/Coring of Brick Sewers

This document provides specifications for reference by Professional Engineers / Registered Architects who are developing a House Connection Proposal or Site Connection Proposal, if proposing to conduct drill-in / coring to a brick sewer.



Sewer Certification Documents – DEP Self-Certification Program

DEP offers a self-certification program to expedite the process of obtaining sewer certification. Self-certification is limited to projects with certain characteristics — refer to the detailed guidelines in the documents listed below to ensure your project is eligible for self-certification. Applications filed for self-certification that do not meet the eligibility requirements will be rejected and required to go through the regular sewer certification process.

DEP Self-Certified House Connection Proposal Application & Guidelines

The Self-Certified House Connection Proposal form must be filed to obtain sewer certification for one, two, or three (3) family dwelling units that are “fee simple” (i.e., the title holder has exclusive ownership of and rights to the property). These properties must also be (a) without commercial use; (b) with individual connections to existing sewers fronting the property; and (c) without any “common” drainage facilities (i.e., drainage facilities connected to another dwelling unit). All Self-Certified House Connection Proposals must be prepared by or under the supervision of a Professional Engineer or Registered Architect licensed by the State of New York.



DEP Self-Certified Site Connection Proposal Application & Guidelines

The Self-Certified Site Connection Proposal form must be filed to obtain sewer availability certification for all developments that do not meet the criteria above for House Connection Proposals. All Self-Certified Site Connection Proposals must be prepared by or under the supervision of a Professional Engineer or Registered Architect licensed by the State of New York.



Sewer Connection Permit Applications

Permit Application: Install Single/Multiple Premise(s) Sewer House Connection(s)

This form must be filed by a Licensed Master Plumber to apply for a permit for a new house sewer connection. Certification of a Site Connection Proposal or House Connection Proposal or approval of a Building Department Alteration Repair Application is required before submitting this application. For detailed instructions on required supporting documentation for this permit application, see the Checklist for Submitting Single/Multiple Premise(s) Sewer House Connection(s) Permit Applications, below.



Checklist for Submitting Single/Multiple Premise(s) Sewer House Connection(s) Permit Applications

This checklist provides detailed instructions on supporting documentation required for various types of sewer house connections. Please refer to these instructions prior to submitting your permit application to the DEP Borough Water and Sewer Office.



Permit Application: Repair/Relay Sewer House Connection

This form must be filed by a Licensed Master Plumber to obtain a permit for repair or relay of an existing sewer house connection.



Permit Application: Plug Single/Multiple Premise(s) Sewer House Connection(s)

This form must be filed by a Licensed Master Plumber to obtain a permit to plug an existing sewer house connection. A notarized affidavit from the owner authorizing the plug is also required at the time of application.



Permit Application: Install Manholes/Catch Basins and Basin Connections/Seepage Basins

This form must be filed by a licensed plumber or an approved contractor to obtain a permit to install manholes, catch basins, basin connections, and seepage basins in a street. If connecting to a private sewer/drain, the private sewer/drain must be constructed, it must be accepted for flow, and a Builders’ Pavement Plan must be approved by the New York City Department of Transportation or the New York City Department of Buildings prior to applying for this permit. If connecting to a City sewer, a Builders' Pavement Plan, if required, must first be approved by the New York City Department of Transportation or the New York City Department of Buildings.



Affidavit for Reuse of an Existing Sewer Connection

This form must be signed by a Licensed Master Plumber, the property owner and a Professional Engineer/Registered Architect and notarized before an existing sewer connection can be reused.



“Private Sewer Fronting your Property?” Fact Sheet

This fact sheet provides details on the process for connecting to a private sewer.



Sample Cover Letter for Submitting Certified Check or Money Order

This cover letter template must be used when submitting a money order or certified check when the owner cannot be contacted and in lieu of a sewer bond, where applicable.



Missing Owner Private Sewer Affidavit

This affidavit must be submitted with an application for permit to connect to a private sewer/drain in cases where the owner of the private sewer cannot be found. This form must be signed by the property owner and notarized.



Guidelines for Submittal of Certified Check(s) or Money Order(s) in Lieu of a Private Sewer Connection Bond to DEP

These guidelines describe the procedure for connecting to a private sewer when the owner of the private sewer cannot be contacted.

 

Reservoir Levels

Current: 96.1%

Normal: 87.7%