
East Gwillimbury is working on an updated Site Alteration and Fill By-law to ensure the by-law is current, aligned with Ministries regulations and includes best practices. Fill is generated from sources such as:
The Town’s Site Alteration and Fill By-law prohibits and regulates any alteration to the grade of a property through the movement, removal or placing of topsoil, or fill as per By-law 2013-066. This by-law puts into place the technical and environmental requirements to control the importation of fill and any alterations to the grade of land within the Town.
Review the Draft Site Alteration By-law
| Proposed Updates |
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Review the presentation to Council from the April 15, 2025, Committee of the Whole Council Meeting that outlines the proposed changes to the Site Alteration By-law (formerly Fill By-law).
Liquid soil is dry soil mixed with water to form a slurry often from sources such as hydro-vac trucks, tunnel and micro tunnel boring, and geothermal drilling.
The proposed by-law amendment will require applicants to provide a Fill Management Plan specifically for liquid soil, which will detail their acceptance protocol for the material. This will be reviewed by the Town and our Peer Review Consultant to ensure compliance with Ministry of Environment, Conservation and Parks (MECP) standards and regulations, best management practices, and industry standards. Once all comments and concerns are addressed the applicant will be required to host a public meeting and seek approval from Council to allow the fill site to proceed.
| Does the Town allow "Waste Fill"? |
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No, the Town does not allow "waste fill" dry or liquid to be imported onto properties within East Gwillimbury. Waste fill, or liquid waste requires a Ministry of Environment, Conservation, and Parks Environmental Compliance Approval (ECA), regulated and approved by the MECP through O.Reg 347. |
| Are there liquid soil sites in EG? |
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There is a private site in EG that is currently processing wet fill within an indoor facility under the approval of an Environmental Compliance Approval (ECA) under the Ministry of Environment, Conservation and Parks (MECP). The Town does not have jurisdiction or a fill management plan for sites under the oversight of the MECP. |
| Will the proposed by-law automatically allow liquid soil onto existing fill sites? |
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No, the proposed By-law does not automatically allow liquid soil to be imported into an existing fill site. If an existing fill site would like to import wet fill onto their site, they would be required to apply, provide the appropriate studies/reports, host a public meeting, and seek Council approval. |
| Why should the Town accept the use of liquid soil? |
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The Town recognizes the need to manage and beneficially reuse liquid soil material. By accepting it in the by-law, this allows the Town control over final placement of fill, environmental protection measures and oversight. Alternatively, applicants could approach the Province to seek approval through the Environmental Compliance Approval (ECA) process. The ECA process would not require Council approval or Town input and audit inspections. Through the Town’s permit conditions, which typically go above and beyond what the province requires. |
| Where can liquid soil be dumped? |
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Liquid soil can be dumped in one of two locations:
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| Why a Hydro-vac receiving site? |
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Allowing a hydro-vac receiving site will provide a regulated location for hydro-vac trucks to dump. This will help eliminate illegal dumping and provide a site closer to construction sites within EG and surrounding areas. This will help reduce the carbon footprint of construction sites as they will not have to travel to further regulated sites. Applying for a Hydro-vac receiving site would be the same process as a fill permit to receive wet fill. The applicant will be required to provide a Fill Management Plan which will detail their acceptance protocol for the hydro-vac material (liquid soil). This will be reviewed by the Town and their Peer Review Consultant to ensure compliance with MECP Standards. Once all comments, questions, and concerns are addressed the applicant will be required to host a public meeting and seek approval from Council. |
If you have any questions, comments, or concerns, please provide your feedback by completing the Site Alteration and Fill By-law Feedback Form.
We thank everyone who attended the October 22, 2025 information session, provided feedback or shared input. If you were unable to attend the PIC in person, please follow the link here to find the display boards.
| Timeline |
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Didn't find what you're looking for? Contact our Customer Service team at 905-478-4282 or by email.
| Why do we need a Site Alteration and Fill By-law? |
| To prohibit and regulate any alteration to the grade of a property through the movement, removal or placement of topsoil or fill. This by-law puts into place the technical and environmental requirements to control the importation of fill and any alterations to the grade of land within East Gwillimbury.
This prevents negative impacts such as:
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| Why not ban fill importation? |
| There are legitimate reasons for landowners to import fill to change grades, improve properties, backfill old pits, install protective berms and upgrade topsoil. The by-law provides stringent control over such activities. Outright banning the importation of fill could cause a surge in complaints as the legitimate reasons would not be permitted, causing a surge in illegal dumping. |
| What is the purpose of a Minor Permit? |
| The no charge Minor Permit is designed to inform residents of restrictions on placing material on their property. These restrictions will avoid causing issues with their neighbours, the Town, and/or conservation authority. This will also inform the Town of their project, and in the event of a By-law complaint, the Town will have background on the project, which may avoid the need for inspection. |
| What are the exceptions to this by-law? |
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Exceptions to this by-law include, but are not limited to:
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| How long does it take to process my application? |
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It takes approximately 10-business days for applications to be processed. We thank you for your patience as staff work to get your permit approved in a timely manner. |
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How long is the permit valid for? |
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Site Alteration Permits are typically issued for 12 months. Applicants have the option to extend their permit by advising the Town three months prior to the expiration date. |
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What happens if I begin work without obtaining the correct permit? |
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Residents who begin work without obtaining the correct permit may be asked to immediately cease site altering activity and/or remediate the effects until they obtain a permit. Residents may also be issued a fine of up to $100,000, depending on the severity of the infraction. |
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What revenue is expected through commercial permits? |
| Any future applicants would be required to pay the fees as per the Town’s Fees and Charges By-law. The current rate is $1.80 per cubic meter of fill imported onto a site. |
| What is in the liquid soil generated from Geothermal installation and other drilling process? |
| The liquid soil generated from tunneling, drilling, or geothermal installation comprises of the native soil, water, and usually bentonite. Glycol is not used in the construction process of installing the pipes for the geothermal loop or other drilling processes, and is not found in the liquid soil generated in these processes. Glycol would be used in the sealed pipes once construction is completed. |
| What is Bentonite? |
| Bentonite is a naturally occurring clay that is highly absorbent. It is used in construction as a natural lubricant to cool drilling heads for tunneling, drilling and geothermal installation. Bentonite is also used in household items, such as cat litter, cosmetics and medicine. |
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What is the quality of fill being accepted? |
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All imported soil and fill material must meet Ministry of the Environment, Conservation and Park’s (MECP) Standards as regulated by Ontario Regulation 153/04 and Ontario Regulation 406/19. This means the material must meet the quality of the Zoning/use of the property. Table 1 and Table 2 (residential and agricultural) material is permitted. Contaminated material is not permitted to be used as fill. |
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How will noise, dust, air quality, persistent odours, and the possibility of harmful substances be addressed? |
| Each site will have site specific constraints, which will determine required studies and reports. Items such as the noise, dust, air quality, persistent odours, and the possibility of harmful substances would be addressed in studies and reports explaining how an applicant will mitigate any issues and how they will address any issues that may arise. This is the same process for dry fill, and how other municipalities that have updated their by-laws to include O.Reg 406/19 approach these concerns. |
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Who is liable if there is an “accident”? |
| Similar to existing fill sites (dry and wet) located across the Province, the property owner/operator of the site would be liable for any environmental impacts. The Town requires operators of fill sites to post financial securities with the Town, as well as hold environmental insurance to cover the cost of any actions that may be required. With every new application, the Town reviews these requirements and adjusts accordingly to industry standards. |
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Will the proposed by-law update increase truck traffic? |
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The inclusion of wet fill in the proposed by-law will not automatically allow an increase of truck traffic to a existing fill site. If an existing fill site would like to increase their daily truck traffic, the operator would be required to apply for the increase, and seek Councils approval. To support their request, the applicant would be required to submit a Traffic Impact Study supporting the increase, and include mud/dust mitigation measures, and identify the haul route for the trucks. The Town has not received any requests to increase truck traffic to existing fill sites. As part of this by-law amendment, residents will not see an increase to the currently approved traffic volumes to existing sites. |
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How are haul routes determined? |
| Haul routes are determined during the application process through the traffic impact study. Haul Routes utilize Regional and MTO roads to avoid residential areas as much as possible. For Large fill sites (receiving wet and dry material) the haul route will be required to be presented to the public during the public meeting and included in the report to Council for the application approval. |
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Will traffic control cameras be installed? |
| Traffic control cameras (such as speed boards or traffic counters) may be installed along the haul route for a particular or at the site entrance if warranted. Currently the Town has not received any applications for a new fill site, or an application to amend existing permit, to increase truck traffic. |
| Can anything be done about the diesel fumes produced by trucks? |
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Trucks operating on public roads are expected to operate in accordance with all applicable legislation to minimize emissions. This includes mandatory vehicle emissions testing and safety inspections for older heavy-duty diesel vehicles under the Environmental Protection Act and emissions-related inspections undertaken by the Ministry of the Environment, Conservation and Park’s Vehicle Emissions Enforcement Unit. |
The Town of East Gwillimbury's (EG's) Fill and Site Alteration By-law is designed to regulate the importation of fill materials and to maintain current drainage patterns. The By-law further details processes and protocols to facilitate the needs of both large and small scale Commercial Fill and Site Alteration Projects while protecting the environment and residents of EG. The Fill By-law was amended on October 2nd, 2018 to reflect the dual jurisdiction with the Lake Simcoe Region Conservation Authority (LSRCA). Please be advised that you may require a permit from both the Town and the LSRCA. Fill By-law 2013-066 Is currently under review and the current version can be found below:
Fill By-law 2013-066 (Amended in 2018)
The Town has also developed an Operational Guideline to further outline the requirements that all proponents of large-scale Commercial Fill and Site Alteration Projects must meet to obtain and/or maintain permitting. The Operational Guideline can be found below:
The Fill Permit Application Package can be found below:
If you have questions or comments regarding the By-law or Operational Guideline, please contact the Town at (905) 478-4282.
Our Customer Service Team is here to help!