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Document ID ca-bc-irtlw-2019 Title Information Requirements Table (IRT) for Liquid Waste URL https://www2.gov.bc.ca/assets/gov/environment/waste-management/waste-discharge-authorization/guides/irt/irt_ew_01_irt_for_effluent_waste.pdf Jurisdiction /ca/bc Subdomain(s) Wastewater, Stormwater, Groundwater Language en Status completed Analyzed at 2026-03-15 10:22:31.027934+00:00 Relevance Specifies information requirements for liquid waste discharge permit applications.

Q Qualitative Requirements (62)

Req ID Category Intent Legal Status Name Subdomain(s) Context Conditions Confidence
#Q001administrativereportingmandatoryInformation Requirements Table SubmissionwastewaterWhen submitting the final application, please ensure the IRT is also submitted with the 'Location' Column filled out to identify where each of the required items is located in the final application for all information requirements identified.When submitting the final applicationhigh
#Q002reportingreportingmandatoryProject Description RequirementswastewaterDescribe the project including proposed facilities, products, processes and discharges. Indicate the maximum intended operating duration (i.e., hours per day, days or months per year).high
#Q003reportingreportingmandatoryProject Mapping and Permitting HistorywastewaterProvide a detailed map of the project location including facilities and discharges. Identify surrounding land and water uses, and potential environmental receptors. Describe the project permitting history and list related reports.high
#Q004administrativeoperationalmandatoryQualified Professionals DeclarationwastewaterList of Qualified Professionals and signed Conflict of Interest & Declaration of Competency. Must have a combination of suitable education, training, experience acceptable to the Director and both forms signedhigh
#Q005monitoringoperationalmandatoryEnvironmental Settings Assessments Guidelineswastewater, otherPlease follow the British Columbia Field Sampling Manual for Continuous Monitoring and the Collection of Air, Air-Emission, Water, Wastewater, Soil, Sediment, and Biological Samples, BC Ministry of Water, Land and Air Protection, 2013 (or the most recent version) when designing and completing these environmental setting assessments. If environmental settings data collection design and methods differ from the manual, please provide a rationale and discuss with ENV staff at the pre-application stage.When designing and completing environmental setting assessmentshigh
#Q006monitoringreportingmandatoryMeteorology and Climate AssessmentotherProvide a baseline meteorology and climate assessment of the project area. The assessment should: Provide a detailed map showing the location of all site-specific and regional meteorological stations in relation to project facilities. Describe relevant meteorological and climate information sources for parameters such as precipitation, temperature and evaporation.high
#Q007monitoringreportingmandatorySurface Water Hydrology AssessmentotherProvide a baseline hydrological assessment of key surface drainages near the project area, to define seasonal flow regimes of local drainages. The assessment should: Provide monthly and annual stream flow/runoff summaries and critical low flow metrics. Describe the baseline assessment design, methods of hydrometric station installation, monitoring methods and quality control procedureshigh
#Q008monitoringreportingmandatoryHydrogeology Assessmentdrinking water, aquatic life, wastewaterbaseline hydrogeological assessment of the groundwater system around the project. The assessment should: Summarize groundwater information from the provincial databases related to aquifers, and their geology, demand and vulnerability. Describe the baseline groundwater assessment design, monitoring, analysis and quality control procedures. The baseline assessment must be sufficiently robust to assist with future monitoring and detect potential groundwater changes as a result of the project.high
#Q009monitoringreportingmandatoryGroundwater Discharges BaselinewastewaterFor discharges to ground, the groundwater baseline should include assessment of local hydrogeological conditions including, but not limited to, stratigraphy, soil classification, water table elevations, fluctuation and flow direction, soil and aquifer hydraulics including field-saturated hydraulic conductivity, groundwater flux, and subsurface travel times in bothFor discharges to groundhigh
#Q010monitoringreportingmandatorySurface Water Quality Baseline Assessmentotherbaseline surface water quality assessment for the project. The assessment should include: Describe and justify baseline study design, methods, sampling sites and periods, analysed parameters and QA/QC procedures. Provide a detailed figure with sampling locations in relation to proposed or existing discharge locations, areas of disturbance and distributionhigh
#Q011monitoringreportingmandatorySediment Quality Assessmentaquatic life, otherProvide a baseline sediment quality assessment near the project. The assessment should: Identify potential downstream receptor groups (including applicable aquatic life, wildlife, livestock, irrigation, humans) for sediment in relation to proposed project related activities and discharges. Describe and justify baseline study design, methods, sampling sites and periods, analysed parameters and QA/QC procedures.high
#Q012monitoringreportingmandatoryAquatic Life Assessmentaquatic lifeProvide a baseline aquatic life assessment near the project. The assessment should: Describe and justify baseline study design, methods, sampling sites and periods, analysed parameters and QA/QC procedures. Provide a detailed figure with sampling locations in relation to proposed or existing discharge locations, areas of disturbance and distribution of receptors.high
#Q013monitoringreportingmandatoryOceanographic Assessmentaquatic life, recreational watera baseline oceanographic assessment of key factors that may influence mixing and dispersion of the discharge in the marine or Provide topographic features and degree of embayment. Identify estuaries and inflows and delineation of their zone of influence. Submit maps and analysis of bathymetric features.If discharging into marine environmentsmedium
#Q014reportingreportingmandatoryEffluent Sources CharacterizationwastewaterProvide a process flow diagram showing the waste streams. Provide full characterization of all effluent sources from the site. Indicate their source, maximum and average quality,quantity and frequency. Describe the methodology used for characterization.high
#Q015administrativetreatmentmandatoryBest Achievable Technology Review RequirementwastewaterIf untreated effluent concentrations at the source are predicted to exceed acute BC Water Quality Gudelines (BCWQG) undertake and submit a Best Achievable Technology Review by a Qualified Professional (QP) (see current Fact Sheet Waste Discharges - Best Achievable Technology ).If untreated effluent concentrations at the source are predicted to exceed acute BC Water Quality Guidelineshigh
#Q016designtreatmentmandatoryTreatment System DocumentationwastewaterIf treatment is proposed, provide the following information: Specify the treatment design criteria including treatment capacity, retention times, and input and output water quantity and quality. Provide treatment system detailed design drawings including discharge works, certified, signed and stamped by a qualified profession. Provide rationale for expected treatment effectiveness... Describe all treatment process by-productsIf treatment is proposedhigh
#Q017administrativeoperationalmandatoryWastewater Facility QP CertificationwastewaterCertification by Qualified Professionals - QP sign-off certifying that the wastewater facility as designed and/or as-constructed is capable of meeting the proposed discharge requirements.high
#Q018reportingreportingmandatoryConceptual Site Model Developmentwastewater, otherDevelop and submit a Conceptual Site Model. Describe and illustrate graphically the contaminant source, transport pathways from source to receptors. Estimate probabilities of occurrence and the risk, and develop a risk management matrix.high
#Q019reportingreportingmandatoryInitial Dilution Zone IdentificationwastewaterDescribe the size and edge of the Initial Dilution Zone (IDZ) at which point the BCWQG must be met. Please refer to the ENV Interim Technical Guidance 11: Development and Use of Initial Dilution Zones in Effluent DischargeAuthorizations.high
#Q020reportingreportingmandatoryEnvironmental Effects Modelling AnalysiswastewaterConduct sensitivity analysis for the water quality model to identify the input parameters of most consequence to the model output. Consider the widest reasonable range of model inputs including but not limited to: hydro-climatic... hydrogeologic... water quality... Describe and justify receiving environment modelling approaches. Describe the models type, its assumptions, inputs and outputs. Provide calibration/validation statistics and plots for the models used.Where models are usedhigh
#Q021reportingreportingmandatoryDischarge to Ground Impact AssessmentwastewaterFor impact assessment related to discharge to ground provide: Summary of the baseline hydrogeological setting and downgradient groundwater users (e.g. aquatic life, drinking water). Description of the infiltration system, including its design and operation, maintenance and equipment monitoring. Description of the effluent treatment method, quantity and quality. Description of the 3-dimensional size of the IDZ zone, including its edge where the groundwater standards must be met. Describe the location of the edge of the IDZ in relation to the property boundary, the nearest water supply well or surface water.For impact assessment related to discharge to groundhigh
#Q022monitoringreportingmandatoryGroundwater Monitoring Program PlanotherGroundwater Monitoring Program - include the number of monitoring wells to measure the background and receiving groundwater levels and quality, and maps depicting the monitoring sites. The program should summarize the monitoring well installation details, such as geographical coordinates of all wells, installation depth, screen interval and geology, and water levels. The plan should detail the sampling methods, monitoring parameters, frequency, and the applicable BC Contaminated Sites Regulation standards that will be met at the edge of the initial dilution zone.high
#Q023monitoringreportingmandatoryMarine Water Monitoring Programrecreational water, aquatic lifeMarine Water Monitoring Program - include a plan to validate model predictions, assess water quality guidelines are being met and detect change and impacts to the receiving environment. The program should include at lest: one control sampling station located outside the influence of the IDZ, a sampling station at the end of pipe, 3 sampling stations at the IDZ. Samples should be taken at the modelled trapping depth, surface and at depth.high
#Q024operationaloperationalmandatoryOperations and Maintenance ManualwastewaterOperations and Maintenance Manual - Detailed operational procedures and preventative maintenance program, operator training and qualifications, inspection schedule, inventory of replacement parts, description of automated systems, warnings and alarms, including response and notification procedures.high
#Q025reportingoperationalmandatoryTreatment Residuals Management PlanwastewaterTreatment Residuals Management Plan - Provide a plan for disposing of treatment residuals in a manner approved under the Environmental Management Act.high
#Q026reportingtreatmentmandatorySewage Disposal Treatment Plan RequirementswastewaterDescribe treatment and disposal plan for sewage generated on-site including the maximum volume. Provide a copy of the design drawings for the sewage treatment facility, signed and stamped by a qualified professional. Provide Commissioning, Operating and Contingency Plans as per MWR Part 2: Division 4. Provide sewage treatment facility classification (or pre-classification) under the Environmental Operators Certification Program (EOCP). Provide operator qualifications and certification under the Environmental Operators Certification Program (EOCP). Provide an effluent flow and quality monitoring plan.Not required if a Municipal Wastewater Regulation (MWR) registration is being pursued or if connected to an authorized system.high
#Q027reportingreportingmandatoryClimate Data Appendix SubmissionotherSubmit all climate data in an appendix (electronic preferred) including site photos, precipitation, temperature, snow water equivalent, etc. and provide monthly and annual summaries of relevant climatic parameters.Baseline meteorology and climate assessmenthigh
#Q028designreportingmandatoryDischarge Location CoordinateswastewaterProvide a detailed site plan that includes locations and coordinates for each discharge location (coordinates must be in decimal degrees to the fourth decimal place).high
#Q029corrective_actionoperationalmandatoryContingency Plan RequirementswastewaterContingency plan - Describes emergency procedures for the facility, stand-by or emergency power requirements, procedures for notifying a health officer when necessary, actions to take if the effluent fails to meet quality requirements, and alternate disposal or storage options (for reclaimed water when use is not possible).high
#Q030reportingreportingmandatoryWaste Management Lifecycle DescriptionwastewaterDescribe major activities, infrastructure and waste management related to: Site preparation and construction, Operations, Closure and post-closure.high
#Q031reportingreportingmandatoryProposed Effluent Discharge LimitswastewaterPropose effluent discharge limits for contaminants of potential concern that can be shown to be protective of the receiving environment and its receptors.high
#Q032designoperationalmandatoryStorm Water Management System DesignwastewaterDescribe the storm water management system and provide detailed design for proposed storm water works.high
#Q033reportingreportingmandatoryBioaccumulation and Bioconcentration Risk Assessmentaquatic lifeDescribe and discuss the potential for bioaccumulation or bioconcentration of contaminants, and the associated risk to assessment endpoints (i.e., fish health, fish reproduction, consumers of fish, etc.).high
#Q034operationaloperationalmandatoryTrigger and Response PlanwastewaterTrigger and Response Plan - Describes monitoring triggers, responses, including confirmatory monitoring and mitigation strategies and implementation in the event that environmental benchmarks in the receiving environment, such as water guidelines, groundwater standards, and toxicology failures, are exceeded.high
#Q035operationaloperationalmandatoryAdaptive Management PlanwastewaterAdaptive Management Plan - Describes and addresses outstanding key uncertainties of potential effects of the discharge following a cyclical process.high
#Q036operationaloperationalmandatoryIrrigation Planagricultural waterIrrigation Plan - Documents the timing of reclaimed water use, maximum application rate and growing season based on the crop or vegetation, site specific loading, and nutrient and metals limits.If using reclaimed water for irrigationhigh
#Q037reportingreportingmandatoryPermit Amendment Comparative AssessmentwastewaterDescribe specific before and after conditions for permit amendment applications.Only for permit amendment applicationshigh
#Q038reportingreportingmandatoryReclaimed Water Use DescriptionwastewaterProvide a detailed description of any use of reclaimed water (effluent), including: o A detailed description of the intended use. o Planned or potential public and/or worker exposure. o An evaluation of the implications for effluent quality based onhigh
#Q039monitoringreportingmandatoryDischarge Monitoring Program DescriptionwastewaterDischarge Monitoring Program - describe how you will monitor the effluent discharge including location, frequency, parameters, QA/QC measures, and comparison to proposed discharge limits.high
#Q040reportingreportingmandatoryNon-aquatic Receptor Risk IdentificationotherIdentify risks to non-aquatic receptors, including wildlife, livestock and human health.high
#Q041operationaloperationalmandatoryCommissioning PlanwastewaterCommissioning Plan - Contains the notification, operational procedures and monitoring required to commission the facility.high
#Q042operationaloperationalmandatoryErosion and Sediment Control PlanotherErosion and Sediment Control Plan - Contains planning and actions to mitigate erosion and sediment runoff during the project development and operation.high
#Q043operationaloperationalmandatoryOdour Control PlanotherOdour Control Plan - Contains planning and actions to mitigate odourhigh
#Q044operationaloperationalmandatoryFacility Closure PlanwastewaterClosure Plan - In the case of a temporary treatment system, details decommissioning procedures for the facility.In the case of a temporary treatment systemhigh
#Q045operationaltreatmentmandatoryDischarge Mitigation MeasureswastewaterDescribe mitigation measures to be used to limit discharge rates and contaminant concentrations.high
#Q046operationaloperationalmandatorySampling and Flow Measuring Facilities DescriptionwastewaterDescribe the proposed sampling and flow measuring facilities at discharge points.high
#Q047administrativereportingmandatoryProject Construction and Commissioning SchedulewastewaterProvide project and treatment system construction and commissioning schedule and related notification requirements.high
#Q048reportinghealthmandatoryToxicity Weight of Evidence Assessmentaquatic life, wastewaterIdentify by location and receptor groups, potential for effects as well as frequency, seasonality, magnitude and reversibility of the effects. Provide rationale for the effects assessment. Demonstrate through a weight of evidence approach that effluent and non-point source discharges will not cause toxicity within the IDZ (acute) and outside of the IDZ (acute or chronic). Identify any residual effects.high
#Q049reportingreportingmandatoryPredicted Incremental Changes Analysisaquatic life, wastewaterProvide predicted incremental changes (e.g. monthly/annually) over existing receiving environment water, sediment quality and/or tissue quality at critical points downstream (e.g. within IDZ, edge of IDZ, near field and far field, sensitive habitat) and during critical time periods (e.g. low dilution 7Q10, high flows, spawning, hatching, etc.) This should be included for all project phases.high
#Q050reportingreportingmandatoryEnvironmental Quality Guideline Exceedances Identificationaquatic life, wastewaterIdentify all locations, parameters, time periods, magnitude, frequency and seasonality for which exceedances of BCWQGs, Sediment Quality Guidelines, tissue guidelines, or applicable standards are predicted to occur in water, sediment or tissue quality.high
#Q051monitoringoperationalmandatoryAquatic / Environmental Effects Monitoring Program Detailsaquatic lifeAquatic / Environmental Effects Monitoring Program - include weight of evidence assessment and cumulative effects monitoring in areas that may potentially be affected by anthropogenic activities. Demonstrate that the monitoring program is sufficiently robust to assist in detecting a biologically significant predetermined change.high
#Q052operationaloperationalmandatoryEpisode Management PlanotherEpisode Management Plan - Includes spills, nuisance, litter, odour, fire, flooding.high
#Q053reportingreportingmandatoryMeteorological Gaps and Data CollectionotherIdentify information gaps and describe site- specific meteorological data collection methods proposed to augment existing regional data.high
#Q054reportingreportingmandatoryHydrological Drainage MappingotherProvide maps showing all drainage basins (local and regional) that will be affected by the proposed project, areas of groundwater discharge, wetlands and notable topographic features.high
#Q055reportingunknownmandatoryDowngradient Groundwater User Descriptiondrinking water, aquatic lifeDescribe all downgradient groundwater users (e.g. aquatic life, drinking water, etc.) within one kilometer of the project.high
#Q056reportingunknownmandatoryRisk Receptor IdentificationotherIdentify the receptors and/or environmental values that may be at risk due to project related activities.high
#Q057monitoringreportingmandatoryMonitoring Program Objectives and JustificationotherFor all programs identify the objectives, and describe and justify the proposed study design/plan.high
#Q058reportingunknownmandatoryHydrogeological Conceptual Model Developmentwastewater, drinking water, aquatic lifeDevelop a conceptual hydrogeological model that synthesizes all relevant information to describe the source-transport-receptor linkages associated with the project.high
#Q059reportingreportingmandatoryEffluent Quality ValidationwastewaterValidate proposed effluent quality requirements based on a thorough assessment of discharge loading, and the effects assessment.high
#Q060monitoringreportingmandatorySurface Water Monitoring Program PlanotherSurface Water Monitoring Program - include a plan to validate model predictions, where applicable the program may also include IDZ monitoring. The program should be developed to detect change and impacts.high
#Q061reportingreportingmandatoryData Assessment and Reporting JustificationotherDescribe and justify proposed data assessment techniques and reporting, including frequency and content, and notification requirements.high
#Q062reportingreportingmandatoryQuality Assurance and Quality Control ProceduresotherDescribe and justify quality assurance/quality control procedures.high

P Quantitative Requirements (10)

Req ID Category Intent Legal Status Name Subdomain(s) Limit Type Limit Value Context Conditions Confidence
#P001operationaloperationalmandatorysewage discharge proportion of combined flowwastewaterrequirement< 10 %May ONLY be included in effluent permit if the sewage discharge is combined with subject effluent and is <10% of that combined flow as per section 5(1)(b) of the MWR prior to dischargeApplicable if the sewage discharge is combined with subject effluenthigh
#P002designreportingmandatorydowngradient groundwater users assessment distancedrinking water, aquatic life, otherrequirement<= 1 kilometerDescribe all downgradient groundwater users (e.g. aquatic life, drinking water, etc.) within one kilometer of the project.During baseline hydrogeological assessment of the groundwater system around the projecthigh
#P003designreportingrecommendedMarine Water Monitoring Program IDZ sampling stationsaquatic life, otherrequirement3 stationsThe program should include at lest: one control sampling station located outside the influence of the IDZ, a sampling station at the end of pipe, 3 sampling stations at the IDZ.Marine Water Monitoring Program to validate model predictionshigh
#P004operationalreportingmandatorygroundwater baseline data durationotherrequirement>= 1 yearSubmit a minimum of one year of groundwater levels and water quality data collected at a quarterly frequency.During baseline hydrogeological assessmenthigh
#P005operationalreportingmandatorygroundwater baseline sampling frequencyotherrequirement4 times per yearcollected at a quarterly frequencyDuring baseline hydrogeological assessmenthigh
#P006designreportingmandatorydischarge location coordinate precisionwastewaterrequirement4 decimal placescoordinates must be in decimal degrees to the fourth decimal placehigh
#P007designreportingrecommendedMarine Water Monitoring Program control station countaquatic liferequirement1 control sampling stationThe program should include at lest: one control sampling station located outside the influence of the IDZMarine Water Monitoring Program designhigh
#P008operationalreportingrecommendedmarine water sampling frequencyaquatic liferequirement5 weekly samples in 30 daysSampling frequency should be 5 weekly samples in 30 days.Marine Water Monitoring Programhigh
#P009operationalreportingmandatorycurrent meter data durationotherrequirement1 monthComplete and submit one month of current meter conductivity/temperature/depth (CTD) profiles during most critical periodsOceanographic assessmenthigh
#P010designreportingrecommendedMarine Water Monitoring Program end of pipe station countaquatic liferequirement1 sampling stationThe program should include at lest: ... a sampling station at the end of pipeMarine Water Monitoring Program designhigh

D Definitions (21)

Req ID Category Name Context Confidence
#D001Information Requirements Table (IRT) for Liquid WasteThe Information Requirements Table (IRT) for Liquid Waste is a tool used by Ministry of Environment and Climate Change Strategy (ENV) staff to document specific guidance and instructions given to an applicant pursuing authorization to discharge under the Environmental Management Act .high
#D002ENVMinistry of Environment and Climate Change Strategyhigh
#D003AIDApplication Instruction Documenthigh
#D004RISCResource and Inventory Standards Committeehigh
#D005CTDconductivity/temperature/depthhigh
#D006BCWQGBC Water Quality Gudelineshigh
#D007QPQualified Professionalhigh
#D008IDZInitial Dilution Zonehigh
#D009MWRMunicipal Wastewater Regulationhigh
#D010EOCPEnvironmental Operators Certification Programhigh
#D011Information Requirements Table (IRT) for Liquid WasteThe Information Requirements Table (IRT) for Liquid Waste is a tool used by Ministry of Environment and Climate Change Strategy (ENV) staff to document specific guidance and instructions given to an applicant pursuing authorization to discharge under the Environmental Management Act .high
#D012ENVMinistry of Environment and Climate Change Strategyhigh
#D013Application Instruction Document (AID)documents application submission requirements for the applicant. The AID is issued by the Director after a preliminary application meeting has occurred.high
#D014Qualified ProfessionalMust have a combination of suitable education, training, experience acceptable to the Director and both forms signedhigh
#D015RISCResource and Inventory Standards Committeehigh
#D016BCWQGBC Water Quality Gudelineshigh
#D017IDZInitial Dilution Zone; the point at which the BCWQG must be met.high
#D018CTDconductivity/temperature/depthhigh
#D019MWRMunicipal Wastewater Regulationhigh
#D020EOCPEnvironmental Operators Certification Programhigh
#D021reclaimed watereffluenthigh