| #Q001 | design | operational | recommended | Separate Sewer Construction Requirement | wastewater | All new sewer construction within the Province of Ontario should be of the 'separate' type, with all forms of storm and groundwater flow being excluded to the greatest possible extent. | Applies to new sewer construction | high |
| #Q002 | prohibition | operational | mandatory | New Combined Sewer System Prohibition | wastewater | New 'combined' sewer systems will not be approved. | Applies to new sewer systems | high |
| #Q003 | administrative | operational | mandatory | Ministry Requirements for Combined Sewer Systems | wastewater, recreational water | To meet the goals of this Procedure each municipality or operating authority of a combined sewer system will be expected to: 1. develop a Pollution Prevention and Control Plan (PPCP) as outlined in Section 5; 2. meet minimum CSO controls as outlined in Section 6; and 3. provide additional controls for beaches impaired by CSOs where water quality is not meeting the PWQO for E. coli as outlined in Section 9 where required by receiving water quality conditions as specified in Procedure B-1-1 | Applies to municipalities or operating authorities of a combined sewer system | high |
| #Q004 | monitoring | operational | mandatory | Discharge Investigation and Prioritization | wastewater | Where the pollution problem is due to a combination of sources, the discharges will be investigated and prioritized based on the relevant significance of the various discharges. | Applies when the pollution problem is due to a combination of sources | high |
| #Q005 | monitoring | reporting | mandatory | Combined Sewer System Characterization | wastewater | Monitoring, modelling and other appropriate means shall be used to characterize the CSS and the response of the CSS to precipitation events. The characterization shall include the determination of the location, frequency and volume of the CSOs as well as the concentrations and mass of pollutants resulting from CSOs. | | high |
| #Q006 | reporting | reporting | mandatory | Combined Sewer System Record Keeping | wastewater | Records shall be kept for combined sewer systems including the following: location and physical description of CSO outfalls in the collection system, emergency overflows at pumping stations, and bypass locations at STPs; location and identification of receiving water bodies for all combined sewer outfalls; combined sewer system flow and STP treatment capacities; present and future expected peak flow rates during dry weather and wet weather; capacity of all regulators; and location of cross-connections. | | high |
| #Q007 | operational | operational | mandatory | Operational Procedures Development | wastewater | Operational procedures shall be developed for combined sewer systems including the following: combined sewer maintenance programs; and, regulator inspection and maintenance programs. | | high |
| #Q008 | operational | operational | mandatory | Dry-Weather CSO Elimination | wastewater | Eliminate CSOs during dry-weather periods except under emergency conditions. Each municipality shall demonstrate that the combined sewer system, including the regulators, and associated treatment facilities are adequate for the transmission and treatment of all peak dry weather flows from the service area. | Except under emergency conditions (e.g., basement flooding, damage to equipment at treatment works) | high |
| #Q009 | operational | operational | mandatory | Pollution Prevention Programs Implementation | wastewater | Establish and implement Pollution Prevention programs that focus on pollutant reduction activities at source e.g. reduced use of potential pollutants like fertilizer and pesticides in parks; public education programs on e.g. anti-littering and illegal dumping of used motor oil and other materials into catchbasins; water conservation to reduce dry weather sanitary flow and hence CSOs; street cleaning to reduce CSO floatables; roof-leader disconnection and installing rain barrels to reduce flows into the sewer system; education/assistance for industries to minimize the use/discharge of pollutants; and enforcement of municipal by-laws or regulations. | | high |
| #Q010 | operational | operational | mandatory | System Inspection and Maintenance Programs | wastewater | Establish and implement proper operation and regular inspection and maintenance programs for the combined sewer system in order to ensure continued proper system operation. | | high |
| #Q011 | operational | operational | mandatory | Floatables Control Program Implementation | wastewater | Establish and implement a floatables control program to control coarse solids and floatable materials e.g. by reducing the amount of street litter that enters the catchbasins and the CSS; by removing debris from CSOs at the outfalls using measures such as trash racks and screens; and by removing floatables from the surface of the receiving water after a CSO occurs. | | high |
| #Q012 | operational | operational | mandatory | Collection System Storage Maximization | wastewater | Maximize the use of the collection system for the storage of wet weather flows which are conveyed to the Sewage Treatment Plant for treatment when capacity is available e.g. by adjusting regulator settings. | During wet weather flows when capacity is available | high |
| #Q013 | operational | treatment | mandatory | Wet Weather Flow Treatment Maximization | wastewater | Maximize the flow to the Sewage Treatment Plant for the treatment of wet weather flows e.g. by removing obstructions to flow. The secondary treatment capacity should be utilized as much as possible for treating wet weather flows with the balance of flows being subject to primary treatment. | During wet weather flows | high |
| #Q014 | operational | treatment | recommended | Treatment Process Optimization | wastewater | The treatment processes of the sewage treatment plants should be optimized to minimize the pollutant loadings under wet weather conditions. | Under wet weather conditions | high |
| #Q015 | treatment | treatment | mandatory | Minimum Wet Weather Treatment Level | wastewater | During wet weather, the minimum level of treatment required for flows above the dry weather flow (as specified in sections 6 and 9) from combined sewer systems is primary treatment or equivalent. | During wet weather for flows above the dry weather flow | high |
| #Q016 | treatment | treatment | mandatory | Bypass Flow Primary Treatment Minimum | wastewater | The flows in the STP which bypass the secondary treatment will be subject to a minimum level of primary treatment. | For flows that bypass secondary treatment in the STP during wet weather | high |
| #Q017 | treatment | health | mandatory | Effluent Disinfection Requirement | wastewater, recreational water | Effluent disinfection is required where the effluent affects swimming and bathing beaches and other areas where there are public health concerns. | Where the effluent affects swimming and bathing beaches and other areas with public health concerns | high |
| #Q018 | treatment | health | mandatory | Effluent Dechlorination Requirement | wastewater | In cases where chlorination is used as the disinfection process, subsequent dechlorination of the sewage works effluents shall be used to minimize the adverse effects of chlorine residuals on public health and the aquatic environment where necessary. | Where chlorination is used as the disinfection process | high |
| #Q019 | treatment | health | recommended | STP Bypass Disinfection | wastewater | All bypasses at the Sewage Treatment Plant should be subjected to the disinfection process where available in order to reduce the bacterial loadings at discharge. | Where disinfection process is available | high |
| #Q020 | monitoring | operational | recommended | Wastewater Flow Monitoring | wastewater | Monitoring of wastewater flows and overflows should be undertaken at locations within the sewer system for the purposes of assessing upgrading requirements and determining compliance with Ministry requirements. | | high |
| #Q021 | monitoring | reporting | mandatory | Monitoring Program Responsibility | wastewater | The nature of monitoring programs shall be specified in the Pollution Prevention and Control Plan or as determined by the Ministry through its Regional staff The responsibility for providing monitoring shall rest with the municipality or operating authority of the combined sewer system. | | high |
| #Q022 | prohibition | operational | mandatory | Curtailment of New Sanitary Connections | wastewater | When and where significant combined sewer system deficiencies exist, the Regional Office of the Ministry shall require that the provision of sanitary servicing for additional development tributary to the deficient system be curtailed to prevent aggravation of the problem until the necessary upgrading, as outlined by a Pollution Prevention and Control Plan is carried out in keeping with the requirements of this Procedure. | When and where significant combined sewer system deficiencies exist | high |
| #Q023 | design | treatment | recommended | Staged Upgrading Flow Transmission Requirement | wastewater | The staged upgrading should at a minimum provide for the transmission and treatment of all flows from the additional development. | Applies to significant development as upgrading proceeds | high |
| #Q024 | prohibition | operational | mandatory | New Storm Connection Prohibition | wastewater | New storm drainage systems shall not be permitted to connect to existing combined systems if that increases the gross area serviced by the combined sewer system except where evaluations indicate that circumstances allow no other practical alternative. | If the connection increases the gross area serviced by the combined sewer system | high |
| #Q025 | reporting | reporting | mandatory | Storm Connection Evaluation Documentation | wastewater | The evaluations must be documented as part of a Pollution Prevention and Control Plan. | When exceptions are made for connecting new storm drainage to existing combined systems | high |
| #Q026 | prohibition | operational | mandatory | Piece-meal Construction Limitation | wastewater | "Piece-meal" construction on existing combined sewer systems will be permitted only with overriding justification such as for the purpose of relocation (e.g., to accommodate underground utilities, subway structures, new buildings and pedestrian tunnels, etc.) or for the purpose of capacity improvement (e.g., to relieve basement flooding or to provide emergency additional conveyance capacity to treatment works to reduce overflows) or for rehabilitating deteriorated sewer conditions. | Requires overriding justification | high |
| #Q027 | administrative | operational | recommended | Procedure Deviation Review | wastewater | Any deviation or relaxation from this Procedure should be reviewed by the Regional Director and the Director, Program Development Branch. | When deviating or relaxing requirements from this Procedure | high |
| #Q028 | prohibition | operational | mandatory | CSO Volume Increase Prohibition | wastewater | No increases in CSO volumes above existing levels at each outfall will be allowed except where the increase is due to the elimination of upstream CSO outfalls. | Applies at each outfall unless resulting from upstream outfall elimination | high |
| #Q029 | operational | treatment | recommended | Off-season Treatment Capacity Maintenance | wastewater | During the remainder of the year, at least the same storage and treatment capacity should be maintained for treating wet weather flow. | Applies during the remainder of the year outside the seven-month period commencing April 1 | high |
| #Q030 | operational | operational | recommended | STP Wet Weather Operation Evaluation | wastewater | The Pollution Prevention and Control Planning study should evaluate the operation of the Sewage Treatment Plant under wet weather conditions in consultation with Ministry Regional staff. | Part of the PPCP study | high |
| #Q031 | administrative | reporting | mandatory | Public Health Concern Identification | recreational water | The local Medical Officer of Health identifies public health concerns such as e.g. whether recreational beaches are safe for swimming. | | high |
| #Q032 | operational | health | recommended | Beach Protection Performance Standard | recreational water | There should be no violation of the body contact recreational water quality objective (Provincial Water Quality Objectives (PWQO)) for E. coli of 100 E. coli per 100 ml. based on a geometric mean at swimming and bathing beaches as a result of CSOs for at least 95% of the four-month season (June 1 to September 30) for an average year. | Applies to swimming and bathing beaches during the four-month season | high |
| #Q033 | treatment | treatment | mandatory | Satellite Treatment Primary Treatment Requirement | wastewater | Satellite treatment facilities when used to treat wet weather flows from combined sewer systems are subject to the minimum level of primary treatment requirements specified above. | When satellite treatment facilities are used to treat wet weather flows from combined sewer systems | high |
| #Q034 | administrative | reporting | recommended | PPCP Implementation Plan Content Requirement | wastewater | The implementation plan should show how the minimum CSO prevention and control requirements and other criteria in this Procedure are being achieved. | As part of the implementation plan within a Pollution Prevention and Control Plan (PPCP) | high |
| #Q035 | design | operational | recommended | Wet Weather Hydraulic Capacity Investigation | wastewater | Measures to increase the wet weather hydraulic capacity at the Sewage Treatment Plant (e.g. Step Feed operation) should be investigated. | When maximizing flow to the Sewage Treatment Plant for wet weather flows | high |
| #Q036 | administrative | operational | recommended | PPCP Development Objectives | wastewater | A Pollution Prevention and Control Plan (PPCP) should be developed to meet the goals of the Procedure by: outlining the nature, cause and extent of pollution problems; examining alternatives and proposing remedial measures; and, recommending an implementation program. | | high |
| #Q037 | design | treatment | mandatory | CSO Control Alternatives Examination | wastewater | To address the impact of CSOs the components of the PPCP shall include: ... 2. an examination of non-structural and structural CSO control alternatives that may include: source control; inflow/infiltration reduction; operation and maintenance improvements; control structure improvements; collection system improvements; storage technologies; treatment technologies; sewer separation. | | high |
| #Q038 | administrative | reporting | mandatory | PPCP Implementation Plan Specific Content | wastewater | To address the impact of CSOs the components of the PPCP shall include: ... 3. an implementation plan with cost estimates and schedule of all practical measures to eliminate dry weather overflows and minimize wet weather overflows. | | high |
| #Q039 | treatment | treatment | mandatory | Secondary Treatment Performance During Wet Weather | wastewater | During wet weather, for secondary treatment plants, the flows through the secondary treatment capacity will be subject to the process effluent concentration criteria of the STP. | Applies to secondary treatment plants for flows within secondary capacity during wet weather | high |
| #Q040 | treatment | health | mandatory | Treatment for Controlled Combined Sewage | wastewater, recreational water | ensuring that the controlled combined sewage which does not overflow receives a level of treatment (as specified in section 7) plus disinfection (as specified in section 8) is deemed to satisfy section 9(a). | Applies when utilizing the event-based control path for beach protection | high |
| #Q041 | administrative | operational | mandatory | Regulatory Enforcement and Review Procedures | wastewater | Procedure F-5-5 will be used to: 1. review applications for approval to ensure that the proponent is in compliance with the Procedure prior to the issuance of a Certificate of Approval; 2. assist regional staff in setting minimum requirements in preparing Control Orders to bring systems into compliance with the Procedure; 3. assist enforcement staff in evaluating a combined sewer system operator’s due diligence when investigating violations of the Environmental Protection Act and/or the Ontario Water Resources Act. | | high |
| #Q042 | administrative | reporting | mandatory | Class B Labeling Requirements | other | Additional information must be shown on the label regarding essential conditions for display, distribution and limitations on use. | Applies to Class B (Restricted) pesticides | high |
| #Q043 | prohibition | operational | mandatory | Class C Training Requirement | agricultural water, other | The pesticide can only be used by trained persons including certified farmers, licensed exterminators and permit holders. | Applies to Class C (Commercial) pesticides | high |
| #Q044 | prohibition | operational | mandatory | Class E Certification Requirement | agricultural water | Corn and soybean seeds that are treated with neonicotinoids are restricted for use by certified persons in Ontario. | Applies to Class E pesticides (clothianidin, imidacloprid, thiamethoxam) | high |
| #Q045 | prohibition | operational | mandatory | Cosmetic Pesticide Ban Compliance | other | Pesticides can only be used for cosmetic purposes if the: use is permitted under an exception to the ban, or active ingredient in the pesticide is included on the Allowable List | Applies to non-essential/cosmetic pesticide use on lawns and gardens | high |
| #Q046 | operational | operational | recommended | Allowable List Version Verification | other | Please check the list to ensure you use the most current version. | When using pesticides from the Allowable List | high |