| #Q001 | administrative | unknown | mandatory | Pre-submission Application Review | drinking water, wastewater | Prior to submitting an alteration application to the City for review and approval, the application must be reviewed and signed by Engineering and Construction Services or Development Review for compliance with the latest version of: the Ministry of Environment, Conservation and Parks’ (MECP) Design Guidelines for Sewage Works, Stormwater Management Planning and Design Manual, Design Criteria for Sanitary Sewers, Storm Sewers and Forcemains for Alterations Authorized under an Environmental Compliance Approval and Watermain Design Criteria for Future Alterations Authorized Under a Drinking Water Works Permit; the City’s Design Criteria for Sewers and Watermains and Standards for Designing and Constructing City Infrastructure. | Prior to submitting an alteration application to the City | high |
| #Q002 | administrative | unknown | mandatory | DWWP Schedule B Conditions | drinking water | Only alterations that meet the conditions and requirements in the DWWP Schedule B qualify for submission of an application to the City. | | high |
| #Q003 | administrative | reporting | mandatory | Watermain Alteration Application Requirements (>6.1 m) | drinking water | An alteration to a watermain longer than 6.1 m requires a watermain application approved under the DWWP prior to construction and must be prepared in accordance with requirements listed in the City’s Application Checklist for Watermain Works and include: MECP Form 1 - Record of Watermains Authorized as a Future Alteration, MECP Pipe Data Form, City’s Supplement A and/or Supplement B (as applicable), and Other documentation as applicable per the Application Checklist | Alteration to a watermain longer than 6.1 m | high |
| #Q004 | reporting | reporting | mandatory | Watermain Abandonment or Removal Submission | drinking water | Abandonment or removal of an existing watermain without replacement, to which no existing water services are connected, is exempt from a completed watermain application. The following documents must be submitted for these works: Completed MECP Form 1 Record of Watermains Authorized as a Future Alteration, Technical memo, including rationale for abandonment or removal, and Letter-size key plan(s) of the abandonment or removal | Abandonment or removal of an existing watermain without replacement, to which no existing water services are connected | high |
| #Q005 | administrative | reporting | mandatory | Schedule C Amendment for Non-Pre-Authorized Alterations | drinking water | The following alterations are not pre-authorized and must be submitted directly to MECP for approval through a Schedule C amendment application: Pass under or through a body of surface water, unless trenchless construction methods are used; Have a nominal diameter greater than 1500 mm; Result in the fragmentation of the drinking water system; and Connect to another drinking water system, unless there is written consent from the owner or owner’s delegate of the system being connected to. | For alterations that are not pre-authorized | high |
| #Q006 | administrative | unknown | mandatory | CLI ECA Program Requirement for Sewage Infrastructure | wastewater | As of June 2, 2025, all new applications for alterations to sewage infrastructure are required to be reviewed under the CLI ECA Program, subject to new MECP CLI ECA forms and City’s new wastewater service fees, as adopted by City Council | Effective June 2, 2025 | high |
| #Q007 | administrative | reporting | mandatory | Open TOR Applications Transition | wastewater | As of June 2, 2025, any open applications under the TOR Program will be required to submit the new MECP CLI ECA forms (without additional fee payment). | Open applications under the TOR Program as of June 2, 2025 | high |
| #Q008 | administrative | unknown | mandatory | CLI ECA Schedule D Conditions | wastewater | Only alterations that meet the conditions and requirements in the CLI ECAs Schedule D of Municipal Sewage Collection and/or Stormwater Management Systems qualify for submission of an application to the City. | | high |
| #Q009 | administrative | reporting | mandatory | Sewage Infrastructure Alteration Application Requirements | wastewater | An alteration to sewage infrastructure requires a sewage application approved under the CLI ECA prior to construction and must be prepared in accordance with requirements listed in the City’s Application Checklist for Sewage Works and include: MECP CLI ECA forms, as applicable per alteration type listed in the table below, MECP Pipe Data Form, as applicable, City Supplement A and/or Supplement B (as applicable), Other documentation as applicable per the Application Checklist | Alteration to sewage infrastructure | high |
| #Q010 | reporting | reporting | mandatory | Sewage Infrastructure Abandonment Submission | wastewater | Abandonment or removal of existing sewage infrastructure without replacement, to which no existing sewer services are connected, is exempt from a completed sewage application. The following documents must be submitted for these works: Completed MECP CLI ECA form(s), as applicable per alteration type in the table listed above, Technical memo, including rationale for abandonment or removal, and Letter-size key plan(s) of abandonment or removal | Abandonment or removal of existing sewage infrastructure without replacement, to which no existing sewer services are connected | high |
| #Q011 | administrative | reporting | mandatory | Schedule C Amendment for Non-Pre-Authorized Sewage Alterations | wastewater | The following alterations are not pre-authorized and must be submitted directly to MECP for approval through a Schedule C amendment application: Pass under or through a body of surface water unless trenchless construction methods are used or the local Conservation Authority has authorized an alternative construction method; Have a nominal diameter greater than 3000 mm for a sanitary sewer, 4000 mm for a combined sewer, 6000 mm for a storm sewer, 600 mm for a sanitary forcemain, 600 mm for a combined forcemain, and 900 mm for a storm forcemain; Add new sewage pumping station with capacity greater than 100 L/s; Alter storm sewer/forcemain to be a concrete channel, to convert rural road cross section ditches to curb, gutter and storm sewers that increases stormwater volume and/or peak flow without achieving water quality criteria, to increase storm flow in existing sewer/ditch without achieving water quality criteria unless existing downstream system has sufficient residual transmission and treatment capacity to accommodate the additional stormwater, or to exceed the capacity of downstream pumping station; Connect to another municipal sewage collection system, unless there is written consent from the owner or owner’s delegate of the system being connected to; Create a new sanitary and/or combined discharge point to the natural environment; Result in a new combined sewage storage tank; Establish stormwater management (SWM) facility for regional SWM end-of-pipe flood control, as new outlet discharging directly to the natural environment without treatment and monitoring, to service a drainage area greater than 65 ha or to convert an existing SWM facility to another type of SWM facility; Receive or will receive a Section 16 Order (previously known, as Part II Order) under Environmental Assessment Act s.16; Determined to impact Indigenous treaty rights or asserted right. | For sewage alterations that are not pre-authorized | high |
| #Q012 | administrative | reporting | mandatory | Verification for Inspection and Testing | wastewater | The designated City case manager is required to complete Part 5 of the previously accepted MECP CLI ECA Forms (i.e., SS1, SW1 and/or CS1) and submit via email to DWWP-ECA@toronto.ca. | Post-Construction Submission | high |
| #Q013 | reporting | reporting | mandatory | Director Notifications for Sewage Completion or Ownership Change | wastewater | The designated City case manager is required to complete Director Notification Form(s) for sewage collection and/or stormwater management system as applicable, as per CLI ECAs Schedules B and /or D Conditions. Submit the required documents by: Emailing MECP at ECA.Submissions@ontario.ca, and Copying the City at CLIECA.DN@toronto.ca | Post-Construction Submission | high |
| #Q014 | reporting | reporting | mandatory | Director Notifications Submission Timeline | wastewater | The submission is required within 30 days after: 1. Placing into service or completion of any alterations of specific sewage infrastructure facilities (e.g. stormwater management works, pumping stations, combined sewer regulators/tanks). 2. Ownership change/assumption of any alteration works. 3. Ownership change of sewage works approved under individual ECA under the previous Transfer of Review Program, including the following: A request from the owner of individual ECA (such as the developer, transit authority, etc.) to revoke the ECA, and A copy of an agreement or other documentation that demonstrates that the City has assumed ownership of the sewage works and that the ECA should be revoked. | Within 30 days after placing into service, completion, or ownership change | high |
| #Q015 | administrative | reporting | mandatory | Authorized Signatures on Application Forms | drinking water, wastewater | All forms must be signed by authorized persons from all parties before submitting an application for alterations to drinking water and sewage infrastructure. | Before submitting an application | high |
| #Q016 | administrative | unknown | recommended | Application Submission by Case Manager | drinking water, wastewater | A complete application should be submitted by the designated City case manager responsible for primary review or delivery of the project. | | high |
| #Q017 | administrative | unknown | recommended | Fee Payment Payable To | drinking water, wastewater | Payments should be payable to “Treasurer, City of Toronto” and include the payer’s name and mailing address. | When paying applicable fees | high |
| #Q018 | administrative | unknown | mandatory | EFT or Wire Payment Advice | drinking water, wastewater | For EFT or wire payment, payment/remittance advice is required, including the caption “ECA/DWWP Works Review Fee” and additional payment details (i.e., project name, location, payment date, reference number). | For EFT or wire payment | high |
| #Q019 | administrative | unknown | mandatory | Mandatory Pre-Construction Approval | drinking water, wastewater | Proposed alterations to municipal drinking water and sewage infrastructure are subject to approval from the City prior to construction. | | high |
| #Q020 | administrative | reporting | mandatory | City Review Timeline Obligation | drinking water, wastewater | Comments will be provided to the case manager and copied to the consultant(s) within 10 business days from receipt of the application and each subsequent re-submission. | Following the receipt of a complete application package | high |
| #Q021 | administrative | unknown | mandatory | Large Project Surcharge Fee | wastewater | Additional fee for each CLI ECA form when estimated cost of proposed sewage works exceeds $4 million or total pipe length exceeds 1 km | estimated cost of proposed sewage works exceeds $4 million or total pipe length exceeds 1 km | high |
| #Q022 | prohibition | unknown | mandatory | Cessation of Transfer of Review Program | wastewater | The City no longer accepts new applications under the Transfer of Review (TOR) Program. | Effective June 2, 2025 | high |
| #Q023 | administrative | reporting | mandatory | MECP Form CS1 for Combined Sewage Alterations | wastewater | Modification, replacement or relocation of: combined sewers, combined forcemains, overflow regulators, combined sewage storage tanks, outfalls [must use] Form CS1 - Record of Future Alteration Authorized for Combined Sewers/Partially Separated Sewers/Combined Sewage Storage Tanks | | high |
| #Q024 | administrative | reporting | mandatory | MECP Form SS1 for Separate Sewage Alterations | wastewater | Addition, modification, replacement or extension of: sanitary sewers, sanitary forcemains [must use] Form SS1 - Record for Future Alteration Authorized for Separate Sewers/Nominally Separate Sewers/Forcemains | | high |
| #Q025 | administrative | reporting | mandatory | MECP Form SS2 for Sewage Pumping Components | wastewater | Addition or modification of: sewage pumping stations, in-line/off-line storages [must use] Form SS2 - Record of Future Alteration Authorized for Components of the Municipal Sewage Collection System | | high |
| #Q026 | administrative | reporting | mandatory | MECP Form SW1 for Storm Infrastructure Alterations | recreational water | Addition, modification, replacement or extension of: storm sewers, ditches, culverts, storm forcemains, outfalls [must use] Form SW1 - Record of Future Alteration Authorized for Storm Sewers/Ditches /Culverts/Forcemains | | high |
| #Q027 | administrative | reporting | mandatory | MECP Form SW2 for Stormwater Facilities | recreational water | Addition, modification, replacement or extension of: stormwater management facilities, stormwater pumping stations [must use] Form SW2 - Record of Future Alteration Authorized for Stormwater Management Facilities | | high |
| #Q028 | administrative | reporting | mandatory | MECP Form SW3 for Third Pipe Systems | other | Addition, modification, replacement or extension and operation of: works comprising a municipal Third Pipe Collection System to collect foundation drainage and groundwater [must use] Form SW3 - Record of Future Alteration Authorized for Third Pipe Collection Systems | | high |