Expansion of online reporting for municipal sewage bypasses and overflows

ERO number
Notice type
Posted by
Ministry of the Environment, Conservation and Parks
Bulletin posted
Last updated

This notice is for informational purposes only. There is no requirement to consult on this initiative on the Environmental Registry of Ontario. Learn more about the types of notices on the registry.

Bulletin summary

We conducted a pilot of our new online reporting tool for sewage bypass and overflow events with a small group of municipalities. Based on the success of the pilot to date, we are expanding this voluntary reporting tool to all remaining municipalities.

Why consultation isn't required

This notice is not related to a policy decision. We are using this bulletin along with other direct means to advise that we are expanding our electronic reporting for municipal bypass and overflow events.

Bulletin details

Ontario is putting processes in place to make it faster and simpler for municipalities to report bypass and overflow instances so that system operators can focus more resources on preventing bypasses and overflows from occurring in the first place.


Currently, municipalities report bypass and overflow events to the ministry via phone to the Spills Action Centre. This includes the initial call and any updates.

We conducted a pilot with a test group of municipalities of a new online tool to report bypass and overflow events from municipal and wastewater works, that will result in stronger environmental oversight. Following the success of the pilot to date, we are now expanding this voluntary pilot to all remaining municipalities.

The reporting tool provides flexibility to report more than one bypass or overflow event at a time and for different locations, easier downloading and sharing of data entered into the system, and internal features that remove reports made in error. The use of the tool is voluntary and municipalities can also choose to use the existing process for reporting incidents.

This tool allows municipal staff to edit and update information on an event quickly so that they can focus on the response and mitigation measures, as opposed to administrative reporting tasks.

Supporting materials

View materials in person

Some supporting materials may not be available online. If this is the case, you can request to view the materials in person.

Get in touch with the office listed below to find out if materials are available.

Connect with us


Caroline Andrews

Phone number
Divisional Information Management and Business Solutions

40 St. Clair Ave W.
Toronto, ON
M4V 1M2

Sign up for notifications

We will send you email notifications with any updates related to this consultation. You can change your notification preferences anytime by visiting settings in your profile page.

Follow this notice