| #Q001 | prohibition | unknown | recommended | Catch Basin Discharge Prohibition | wastewater, other | Nothing other than rain and melted snow should ever enter a catch basin (square grates on the road). | Applies to catch basins | high |
| #Q002 | administrative | operational | mandatory | Private Water Discharge Permit | wastewater | A permit or agreement is required to discharge private water into the sewer system. | When discharging private water into the sewer system | high |
| #Q003 | reporting | reporting | mandatory | Pollution Prevention (P2) Plan Submission | wastewater | Businesses that discharge certain pollutants must prepare and submit a Pollution Prevent (P2) Plan. | Applies to businesses that discharge certain pollutants | high |
| #Q004 | treatment | treatment | mandatory | Mandatory Grease Traps | wastewater | Establishments that cook and prepare food must install, operate and maintain grease traps on pipes that connect to the sanitary sewer. | Applies to establishments that cook and prepare food | high |
| #Q005 | administrative | unknown | mandatory | Foundation Drainage Policy Applicability | wastewater | The Foundation Drainage Policy and Guidelines apply to all new development applications starting January 1, 2022. | Applies to all new development applications starting January 1, 2022 | high |
| #Q006 | operational | health | mandatory | Equipment Manufacturer Maintenance Compliance | other, recreational water | Follow the equipment manufacturer maintenance instructions specific to the operation of atmospheric cooling towers, hot water systems and hydro-massage tubs. | Applies to the operation of atmospheric cooling towers, hot water systems and hydro-massage tubs | high |
| #Q007 | operational | health | mandatory | Equipment Shutdown Safety | other | Use precaution and ensure safeguards are in place and when shutting down equipment. | When shutting down equipment | high |
| #Q008 | treatment | treatment | mandatory | Pre-Start Cleaning | other | Ensure proper cleaning of the apparatus prior to re-start. | Prior to equipment re-start | high |
| #Q009 | operational | operational | mandatory | Adverse Situation Monitoring and Response | other | Be aware of and respond to adverse situations including: changes in the functioning of the equipment. external influences such as nearby construction causing increased dust entering into the cooling towers. | During equipment operation and changes in environmental conditions | high |
| #Q010 | operational | health | recommended | Industry Best Practices Adherence | other | Toronto Public Health Strongly Urges Compliance with Industry Best Practices/Standards. | | high |