| #R001 | administrative | operational | mandatory | Canada Water Agency Mandate | other | The Canada Water Agency Act establishes the Canada Water Agency as a standalone federal agency, with a mandate to assist the Minister of the Environment in exercising or performing their powers, duties and functions related to fresh water. | | high |
| #R002 | administrative | operational | mandatory | International River Improvement License | other | It requires a license for dams, reservoirs, or other works on rivers that may alter the flow of rivers flowing into the United States (US). | dams, reservoirs, or other works on rivers that may alter the flow of rivers flowing into the United States | high |
| #R003 | operational | operational | mandatory | Environmental Emergency Management for Facilities | other | require facilities to prevent, plan, respond, and recover from environmental emergencies, including those with significant risks to fresh water. | facilities with significant risks to fresh water | high |
| #R004 | treatment | treatment | mandatory | Sewage Treatment Standards | wastewater | The Wastewater Systems Effluent Regulations set Canada’s national baseline standards for sewage treatment before wastewater is released into the environment. | before wastewater is released into the environment | high |
| #R005 | prohibition | health | mandatory | Prohibition of Lethal Effluent to Fish | aquatic life | prohibit deposits that are acutely lethal to fish. | pulp and paper mills | high |
| #R006 | operational | operational | mandatory | Tailings Storage Authorization | aquatic life | They also include provisions to authorize tailings storage in water frequented by fish. | metal and diamond mines | high |
| #R007 | prohibition | health | mandatory | General Prohibition Against Pollution | aquatic life | Section 36(3) of the Fisheries Act and the Migratory Birds Convention Act, 1994 both have strong general prohibitions against pollution. | | high |
| #R008 | operational | aesthetic | mandatory | Phosphorus Concentration Limits for Cleaning Products | other | The Concentration of Phosphorus in Certain Cleaning Products Regulations set phosphorus concentration limits for certain cleaning products (e.g. detergents, dish-washing compounds, and household cleaners). | detergents, dish-washing compounds, and household cleaners | high |
| #R009 | prohibition | health | mandatory | Microbeads Release Prevention | other | The Microbeads in Toiletries Regulations serve to prevent the release of plastic microbeads from toiletries that wash down household drains and add to plastic pollution in rivers and lakes. | toiletries that wash down household drains | high |
| #R010 | operational | health | mandatory | Mining Harmful Substance Limits | aquatic life | The Metal and Diamond Mining Effluent Regulations set national limits for harmful substances in metal and diamond mine effluent. | metal and diamond mines | high |
| #R011 | operational | health | mandatory | Pulp and Paper Harmful Substance Limits | aquatic life | The Pulp and Paper Effluent Regulations limit the deposit of harmful substances by pulp and paper mills into fish-bearing waters | pulp and paper mills | high |
| #R012 | monitoring | reporting | mandatory | Federal Water Monitoring and Surveillance | aquatic life, other | Environment and Climate Change’s water monitoring and surveillance activities are critical for assessing and reporting on water quantity (water level and flow), water quality status and trends, assessing aquatic ecosystem health, and for contributing to the fulfillment of many federal domestic and international commitments and legislative obligations | | high |
| #R013 | reporting | reporting | mandatory | Mandatory Pollution Incident Notification | other | Federal legislation requires that when we receive written or verbal notifications about a pollution incident, we are responsible to provide timely notification to federal partner agencies. | upon receiving written or verbal notifications about a pollution incident | high |
| #R014 | administrative | operational | mandatory | Pollution Report Review Requirement | other | Each report of pollution is thoroughly reviewed. | | high |
| #R015 | operational | operational | mandatory | Significant Threat Incident Escalation | other | If there is a significant threat to the health of Canadians or the environment from a spill or the potential of one, the incident is escalated to the emergency operations centre for action. | significant threat to the health of Canadians or the environment from a spill or potential spill | high |
| #R016 | operational | operational | mandatory | Emergency Impact Mitigation Duty | other | Using a science-based approach, we ensure that all reasonable measures are taken to mitigate impacts from environmental emergencies. | | high |