Contact us On this page Skip this page navigation Contact us: Protecting the Great Lakes There are many ways to contact us. Social media Facebook:ONenvironment Twitter:@ONenvironment Phone numbersFor Environmental Spills or emergencies please contact the Spills Action Centre: Tel: 416-325-3000 Toll-free: 1-800-268-6060 Toll-free TTY: 1-855-889-5775 For questions on Environmental Permissions: Tel: 416-314-8001 Toll-free: 1-800-461-6290 For questions about maintaining a well, contact the Wells Help Desk: Toll-free: 1-888-396-9355 Fax: 416-235-5960 For questions about Emissions Testing, contact the Emissions Test Contact Centre: Toll-free: 1-888-758-2999 For information about pesticides licensing, or assistance with the ministry’s online system, contact the Client Services and Permissions Branch: Tel: 416-314-8001 Toll-free: 1-800-461-6290 For general public inquiries about the Air Quality Health Index: Toll-free: 1-866-585-5008 General ministry inquiry line Tel: 416-325-4000 Toll-free: 1-800-565-4923 Fax: 416-314-6713 For people with hearing disabilities: Tel TTY: 416-326-9236 Toll-free TTY: 1-855-515-2759 Regional and District OfficesContact the minister Accessibility If you need information or communication supports in a different format, please let us know by using the phone numbers or contact form on this page. Learn more about our policy on providing accessible customer service to persons with disabilities. Send us an email Message Please do not include any personal or financial information. Would you like a reply? Read the service standards for how long it will take to get a reply. Would you like a reply? Yes No Email You will receive a confirmation email. Optional information Name Phone number Address We will contact you by letter if we need personal or financial information. Your privacy mattersYour personal information is being collected in order to respond to your inquiry. Your inquiry/personal information will be forwarded to the appropriate ministry(s) for response and will be used to respond to your inquiry. Some of the non-identifying information shared will be used by Cabinet Office and/or ServiceOntario to measure performance and improve our services. Your information will not be placed on mailing lists or released to any third party, except as may be authorized by law.For questions on how personal information collected on this page will be used, please read our privacy statement. Leave this field blank Updated: November 20, 2024 Published: November 25, 2021