How to record authorized combined sewer alterations (Form CS1) — and autofill on00447 with my-id.ca
Document pre-authorized combined sewer changes without retyping municipal contact details
Municipalities repeat corporation legal name, authorized contacts, and infrastructure descriptions whenever they file Form CS1 to record a future alteration authorized for combined sewers, partially separated sewers, or combined sewage storage tanks under a CLI ECA. This guide is an example of storing them once in my-id.ca.
Official form and source
Start from the official source and always use the current version — form numbers and links can change:
- Service page: Municipal consolidated linear infrastructure environmental compliance approvals — ontario.ca
- Form (Central Forms Repository): Form CS1 - Record of Future Alteration Authorized for Combined Sewers/Partially Separated Sewers/Combined Sewage Storage Tanks and Storage Structures — on00447
What this form is about
Form on00447 (Form CS1) records pre-authorized future alterations for combined sewer infrastructure under a CLI ECA — confirm Schedule requirements on ontario.ca.
Before you start: what to gather
- Municipality legal name and business address.
- CLI ECA number and affected combined sewer components.
- Authorized contact name, phone, and email.
- Alteration authorization reference — confirm on ontario.ca.
Confirm the current process on ontario.ca.
How my-id.ca makes it faster
- Save it once. Store your municipality name, address, and contact details in your my-id.ca profile.
- Keep documents ready. Upload supporting documents to my-id.ca Files so you are not searching at form time.
- Autofill the form. Use the my-id.ca Chrome extension on a web form, or fill a PDF from your saved profile inside my-id.ca.
- Review and submit yourself through the official channel.
Why do it in my-id.ca
Related Ontario forms repeat the same personal details. Captured once in my-id.ca — stored in Canada, with AI on its own servers — every form starts mostly complete.
Frequently asked questions
- What infrastructure does Form CS1 cover?
- Combined sewers, partially separated sewers, and combined sewage storage — confirm your CLI ECA.
- How does my-id.ca help?
- It autofills municipality name, address, and contact details.
- Must I notify the Director separately?
- Some alterations also require Director notification — confirm timelines on ontario.ca.
Fill it once. Reuse it everywhere.
Save your information in my-id.ca once, then autofill this form and the next one — web forms with the Chrome extension, PDFs right in the app. Your data is stored in Canada and AI runs on my-id.ca's own servers, never sent to third-party AI providers.