Policy Interface

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Policy Id:

SPR/SPA:

Risk:

T-8

Central Lake Ontario, Credit Valley, Toronto

Significant

Implementing Body

Legal Effect

Policy Tool

Threat Type

Status

Comment

Adjala-Tosorontio Township of - (Municipality)

Conform with

Administrative

Future & Existing

In progress/some progress made

Ajax Town of - (Municipality)

Conform with

Administrative

Future & Existing

In progress/some progress made

Amaranth Township of - (Municipality)

Conform with

Administrative

Future & Existing

In progress/some progress made

Plans to complete Official Plan updates in 2026.

Aurora Town of - (Municipality)

Conform with

Administrative

Future & Existing

In progress/some progress made

Brampton City of - (Municipality)

Conform with

Administrative

Future & Existing

Implemented

Caledon Town of - (Municipality)

Conform with

Administrative

Future & Existing

In progress/some progress made

Future Caledon Official Plan is not fully in effect across the entire Town. Still awaiting secondary plan updates, including the Palgrave and Inglewood areas.

Clarington Municipality of - (Municipality)

Conform with

Administrative

Future & Existing

In progress/some progress made

Dufferin, County of - (Municipality)

Conform with

Administrative

Future & Existing

In progress/some progress made

County Official Plan completed MCR in August 2025; however, a fifth Official Plan amendment is being undertaken in 2026 and, as part of that, a conformity review will take place.

Durham, Regional Municipality of - (Municipality)

Conform with

Administrative

Future & Existing

Implemented

The Durham Regional Official Plan included all relevant source protection land use planning policies in 2024. As of January 1, 2025, Durham Region is no longer a planning approval authority. Implementation of the Land Use Planning policies of the Source Protection Plans will be the responsibility of the area municipalities.

East Garafraxa Township of - (Municipality)

Conform with

Administrative

Future & Existing

In progress/some progress made

Draft Official Plan completed December 2025.

Erin Town of - (Municipality)

Conform with

Administrative

Future & Existing

In progress/some progress made

Work is ongoing to consider the requirements of this policy.

Halton Hills Town of - (Municipality)

Conform with

Administrative

Future & Existing

In progress/some progress made

Town OP review began in late 2024 and required additions/revisions to SP policies will be made. OP Review ongoing in 2026. Zoning Review to follow this process and will be updated. Expected to start in 2027.

Halton, Regional Municipality of - (Municipality)

Conform with

Administrative

Future & Existing

No response required/not applicable

King Township of - (Municipality)

Conform with

Administrative

Future & Existing

Implemented

Markham Town of - (Municipality)

Conform with

Administrative

Future & Existing

In progress/some progress made

Milton Town of - (Municipality)

Conform with

Administrative

Future & Existing

In progress/some progress made

The Town of Milton is in the process of updating the Official Plan. The proposed new policies include source water protection land use planning policy direction. The update is anticipated to be completed in summer 2026.

Mississauga City of - (Municipality)

Conform with

Administrative

Future & Existing

Implemented

Mono Town of - (Municipality)

Conform with

Administrative

Future & Existing

In progress/some progress made

OP and ZBL being updated

Oakville Town of - (Municipality)

Conform with

Administrative

Future & Existing

In progress/some progress made

Orangeville Town of - (Municipality)

Conform with

Administrative

Future & Existing

Implemented

The Town's OP has been amended and brought into conformity with source protection policies.

Oshawa City of - (Municipality)

Conform with

Administrative

Future & Existing

In progress/some progress made

Peel, Regional Municipality of - (Municipality)

Conform with

Administrative

Future & Existing

Implemented

As of July 1st, 2024 Peel Region's local municipalities are responsible for the RPOP.

Pickering City of - (Municipality)

Conform with

Administrative

Future & Existing

Implemented

Amendment 36 brought the Pickering OP into conformity with the CTC Protection Plan. However, through the next OP review, which is currently underway (expected to be completed in 2027), the policies regarding source protection will be reviewed.

Richmond Hill Town of - (Municipality)

Conform with

Administrative

Future & Existing

In progress/some progress made

Scugog Township of - (Municipality)

Conform with

Administrative

Future & Existing

In progress/some progress made

Simcoe, County of - (Municipality)

Conform with

Administrative

Future & Existing

Implemented

Toronto City of - (Municipality)

Conform with

Administrative

Future & Existing

Implemented

The City’s Official Plan Amendment 583, which identifies the Intake Protection Zones, including the Event Based Areas, and wording to minimize the use of road salt throughout the City to conform to the latest CTC Source Protection Plan was approved by MMAH on September 2, 2025

Uxbridge Township of - (Municipality)

Conform with

Administrative

Future & Existing

In progress/some progress made

The Township of Uxbridge Official Plan Review is in progress and commenced last year 2025.

Vaughan City of - (Municipality)

Conform with

Administrative

Future & Existing

In progress/some progress made

Wellington, County of - (Municipality)

Conform with

Administrative

Future & Existing

Implemented

Whitby Town of - (Municipality)

Conform with

Administrative

Future & Existing

In progress/some progress made

Whitchurch-Stouffville Town of - (Municipality)

Conform with

Administrative

Future & Existing

In progress/some progress made

York, Regional Municipality of - (Municipality)

Conform with

Administrative

Future & Existing

Implemented

Policy Text:

Official plans shall be amended for conformity with the Source Protection Plan at the time of the next review in accordance with s.26 of the Planning Act. Zoning by-laws shall be amended within 3 years after the approval of the official plan.

Monitoring Text:

N/A