| #Q001 | design | treatment | recommended | Consideration of Alternate LID Designs | wastewater | Where the proponent and designer can show that alternate approaches can produce the desired results for treating and managing stormwater, such designs should be considered. | When the proponent and designer can show that alternate approaches can produce the desired results for treating and managing stormwater | high |
| #Q002 | administrative | unknown | mandatory | Environmental Compliance Approval (ECA) Requirement | wastewater | The Ontario Water Resources Act (section 53) requires an Environmental Compliance Approval (ECA) to be in place before using, operating, establishing, altering, extending or replacing, new or existing sewage works. | Before using, operating, establishing, altering, extending or replacing, new or existing sewage works | high |