| Req ID | Category | Intent | Legal Status | Name | Subdomain(s) | Context | Conditions | Confidence |
|---|---|---|---|---|---|---|---|---|
| #Q001 | reporting | reporting | mandatory | Identification Report Submission | wastewater | Before being able to submit Monitoring Reports , an Identification Report must be submitted and approved for your wastewater system. | Prior to submitting Monitoring Reports | high |
| #Q002 | administrative | reporting | guidance | Consult Single Window / Identification Report User Guide | wastewater | If required, consult the Single Window / Identification Report User Guide. | If required (for submitting and approving Identification Reports) | high |
| #Q003 | administrative | reporting | recommended | Consumer Education on Plumbing Quality | drinking water | Water utilities should also have education and outreach programs to make consumers aware of how water quality can deteriorate within residential and building plumbing systems. | high | |
| #Q004 | monitoring | operational | recommended | Subsurface Source Assessment Requirements | drinking water | Assessments for subsurface sources should include, at a minimum, a hydrogeological assessment, an evaluation of well integrity and a survey of activities and physical features in the area (Health Canada 2019b, 2019c). | When assessing subsurface water sources | high |
| #Q005 | monitoring | operational | recommended | Treatment Performance Multi-Parameter Testing | drinking water | conduct performance testing using multiple parameters (e.g., disinfectant residual, microbiological indicators, pH, turbidity); | During water treatment plant operations | high |
| #Q006 | treatment | treatment | recommended | Monochloramine Disinfection Restriction | drinking water | It is important to note that monochloramine is recommended only for secondary disinfection and residual maintenance in the distribution system (Health Canada, 2019b). | Selection of disinfection chemicals | high |
| #Q007 | operational | treatment | recommended | Distribution System Biofilm Control Residuals | drinking water | Maintaining an effective disinfectant residual is essential to manage risks. There is increasing recognition that a minimum disinfectant residual concentration greater than 0.2 mg/L is required to control microbiological (re)growth in the distribution system. | Maintenance of distribution system | high |
| #Q008 | operational | health | recommended | Building Water Temperature Management | drinking water | keeping temperatures of cold and hot water systems outside of the ideal range for microorganism growth (e.g., cold water less than 20°C, hot water tank temperature greater than 60°C; hot water lines at distal points ideally greater than 55°C); | Management of premise plumbing systems | high |
| #Q009 | administrative | operational | recommended | Climate Change Management Strategy Integration | drinking water | water utilities and building owners/managers should integrate the risks associated with climate change into their management strategies to maximize the reliability, robustness and resilience of their water systems. | high | |
| #Q010 | operational | health | recommended | Nasal Rinse Water Safety Requirements | drinking water | individuals should ensure that they conduct nasal rinses using water that has been boiled and cooled, or distilled water. | Conducting nasal rinses | high |
| #Q011 | administrative | operational | recommended | Building Water Management Plan Best Practice | drinking water | Building water management plans are the recommended best practice for building owners/managers. | high | |
| #Q012 | monitoring | operational | recommended | Multi-Parameter Risk Management Strategy | drinking water | water utilities and building owners/managers should have appropriate risk management strategies that utilize multiple parameters to assess the performance of drinking water treatment and/or distribution operations. | high | |
| #Q013 | monitoring | operational | recommended | Comprehensive Source Water Assessment | drinking water | Source water assessments should include: the identification of potential sources of microbiological contamination in the watershed/aquifer; potential pathways and/or events (low to high risk) by which microorganisms of concern can make their way into the source water and affect water quality; and conditions likely to lead to peak concentrations. | During source-to-tap or water safety plan assessments | high |
| #Q014 | administrative | reporting | recommended | Cooling Tower Registry Inquiry | drinking water | building owners/managers should contact the responsible authority in the affected jurisdiction to confirm if specific requirements will apply to their system (e.g., cooling tower registry). | For buildings with cooling towers or complex plumbing | high |
| #Q015 | treatment | health | recommended | Certified Drinking Water Treatment Units | drinking water | Where treatment is necessary, Health Canada recommends that consumers use devices certified by an accredited certification body as meeting the appropriate NSF International (NSF)/American National Standards Institute (ANSI) drinking water treatment unit standards (NSF/ANSI, 2018, 2019, 2020). | When residential-scale treatment is necessary | high |
| #Q016 | operational | health | guidance | Homeowner Hot Water Tank Temperature Maintenance | drinking water | Homeowners can also minimize their risk of exposure to opportunistic waterborne pathogens by maintaining the temperature of their hot water tank at a minimum of 60°C (WHO, 2011; Falkinham et al., 2015a, 2015b). | For domestic risk management | high |
| #Q017 | administrative | health | recommended | Contact Lens Handling Guidance | other | Individuals in the home who wear contact lenses should also follow guidance from their eye care providers on proper lens handling, cleaning and wear (CDC, 2017b). | For individuals wearing contact lenses | high |
| #Q018 | operational | treatment | recommended | N. fowleri Chlorine Residual Recommendation | drinking water | Maintaining a minimum free chlorine residual of 0.5 mg/L throughout the distribution system is recommended for the control of N. fowleri in vulnerable drinking water systems (NHMRC, NRMMC, 2011; Louisiana Department of Health and Hospitals, 2013; Bartrand et al., 2014). | In drinking water systems vulnerable to N. fowleri | high |
| #Q019 | operational | operational | recommended | Biological Stability Production Goal | drinking water | Water utilities should therefore aim to produce biologically stable water to minimize the potential for problems to occur in distribution and premise plumbing systems (see Sections A.3.3 and A.3.4) (Health Canada, 2022). | Drinking water treatment plant operations | high |
| #Q020 | design | treatment | recommended | Professional Consultation for Supplemental Disinfection | drinking water | A water treatment professional should be consulted before applying any supplemental disinfection. | Before applying supplemental disinfection in building water systems | high |
| #Q021 | operational | health | recommended | Contaminated Aerosol Reduction in Plumbing | drinking water | Important elements of control strategies for plumbing systems include: ... reducing the formation and transmission of contaminated aerosols from system components such as cooling towers, showers, faucets, hot tubs and humidifiers. | Management of building plumbing systems | high |
| #Q022 | monitoring | unknown | recommended | Aerosol Activity Risk Consideration | drinking water | It is important that risks from both land-based and aerosol-generating activities (e.g., spray irrigation, pressure washers) be considered in the source water assessment. | During source water assessment | high |
| #Q023 | treatment | treatment | recommended | Turbidity and NOM Treatment Optimization | drinking water | optimize treatment performance for turbidity and natural organic matter removal; | During drinking water treatment operations | high |
| #Q024 | treatment | treatment | recommended | Primary Disinfection Application Requirements | drinking water | properly apply primary disinfection technologies to meet appropriate CT (disinfectant concentration in mg/L × time in minutes) requirements when using chemical oxidants (i.e., free chlorine, ozone, chlorine dioxide) or IT (intensity measured in mW/cm2 or W/m 2× time measured in seconds resulting in a computed fluence in mJ/cm2) requirements when using ultraviolet (UV) disinfection; | Application of primary disinfection technologies | high |
| #Q025 | administrative | operational | recommended | Operator Training Obligation | drinking water | provide operator training to assure the effectiveness of the water safety plan at all times. | To maintain water safety plan effectiveness | high |
| #Q026 | operational | operational | recommended | Distribution System Cleaning and Flushing | drinking water | keep the distribution system clean by removing biofilm, loose deposits and sediment from watermains and storage facilities (e.g., use of appropriate flushing and cleaning techniques); | Maintenance of distribution system infrastructure | high |
| #Q027 | prohibition | operational | recommended | Contaminant Entry Prevention | drinking water | minimize the potential for contaminant entry from external sources (e.g., maintain positive pressure, implement cross-connection/backflow control programs, practice strict hygiene during mains constructions and repairs); | To prevent post-treatment contamination | high |
| #Q028 | operational | operational | recommended | Water Age and Temperature Management | drinking water | manage water age and the effects of temperature; | Operational and maintenance practices in the distribution system | high |
| #Q029 | operational | operational | recommended | Stagnation Minimization in Premise Plumbing | drinking water | minimizing areas of low flow/stagnation; | Management of building plumbing systems | high |
| #Q030 | monitoring | health | recommended | Private Well Inspection and Testing | drinking water | For residential-scale systems and private wells, regular physical inspection to identify deficiencies and testing of the water system (e.g., for E. coli and total coliforms) to confirm the microbiological quality of the water are important. | Management of residential-scale systems and private wells | high |
| #Q031 | treatment | treatment | recommended | Scaling and Corrosion Optimization | drinking water | optimize treatment to minimize the amount of scaling and/or corrosion in the distribution system; | During drinking water treatment optimization | high |
| #Q032 | treatment | treatment | recommended | Nutrient Concentration Management | drinking water | minimize nutrient concentrations in treated water and have a good understanding of their concentrations in the distribution system; | During drinking water treatment and distribution assessment | high |
| #Q033 | treatment | treatment | recommended | Secondary Disinfection Application | drinking water | properly apply secondary disinfection technologies (i.e., free chlorine or monochloramine) for residual maintenance in the distribution system; | To maintain disinfectant residual in the distribution system | high |
| #Q034 | design | operational | recommended | Proper Construction Materials Usage | drinking water | use proper construction materials; | Distribution system operational and maintenance practices | high |
| #Q035 | corrective_action | operational | recommended | Corrective Action for Low Residuals | drinking water | take preventive/corrective actions when low disinfectant residuals occur, particularly during warm water temperature conditions when biofilm growth accelerates; | When disinfectant residuals drop below target levels in distribution | high |
| #Q036 | operational | treatment | recommended | Balanced Disinfectant Selection | drinking water | the choice of disinfectant residual should effectively balance concomitant water quality objectives related to: 1) microbial species (e.g., Legionella, mycobacteria); 2) water chemistry; 3) disinfection by-product concentrations; and 4) the complexity of the distribution system | Decision-making for secondary disinfectant choice | high |
| #Q037 | design | health | recommended | Nutrient Level Limitation in Design | drinking water | limiting nutrient levels through an emphasis on system design and materials; | Management of building plumbing systems | high |
| #Q038 | monitoring | health | recommended | Site-Specific Legionella Monitoring | drinking water | environmental monitoring at individual facilities should be informed by a site-specific risk assessment as part of a Water Management Plan | Developing monitoring programs for Legionella in building systems | high |
| #Q039 | design | health | recommended | Mixing Valve Positioning and Maintenance | drinking water | Mixing valves should be positioned as close as possible to the point of use and provide access for maintenance and cleaning | Installation of thermostatic mixing valves in building plumbing | high |
| #Q040 | operational | health | mandatory | Building Water Quality Management Responsibility | drinking water | Building owners/managers are responsible for managing water quality within their buildings and therefore should be aware of practices that reduce the risk of microorganism growth. | Management of building water systems | high |
| #Q041 | monitoring | operational | recommended | Source Water Nutrient Characterization | drinking water | surface and subsurface sources should be characterized with regard to organic and inorganic nutrient concentrations (Cantor, 2017). | During source water assessment and characterization | high |
| #Q042 | monitoring | operational | recommended | System-Specific Multi-Parametric Monitoring | drinking water | Comprehensive, multi-parametric monitoring programs (e.g., disinfectant residual paired with temperature and biofilm formation rate) are recommended to confirm system-specific requirements (Health Canada, 2022). | To confirm distribution system requirements | high |
| #Q043 | administrative | treatment | recommended | Source Water Protection Plan | drinking water | Requirements: Source water protection plan | Role and responsibility of Water Utility | high |
| #Q044 | administrative | operational | recommended | Distribution System Management Plan | drinking water | Requirements: Distribution system management plan | Role and responsibility of Water Utility | high |
| Req ID | Category | Intent | Legal Status | Name | Subdomain(s) | Limit Type | Limit Value | Context | Conditions | Confidence |
|---|---|---|---|---|---|---|---|---|---|---|
| #R001 | operational | operational | mandatory | Minimum disinfectant residual concentration | drinking water | requirement | > 0.2 mg/L | Required to control microbiological (re)growth in the distribution system. | In the distribution system. | high |
| #R002 | operational | operational | mandatory | Free chlorine residual for biofilm control | drinking water | requirement | 1.0 mg/L | Required for controlling biofilm formation in chlorinating systems. | high | |
| #R003 | operational | operational | mandatory | Total chlorine residual for biofilm control | drinking water | requirement | 1.8 mg/L | Required for controlling biofilm formation in chloraminating systems. | high | |
| #R004 | physical | operational | recommended | Cold water temperature | drinking water | requirement | < 20 °C | Keeping temperatures outside of ideal range for microorganism growth in plumbing. | Premise plumbing | high |
| #R005 | physical | operational | mandatory | Hot water tank temperature | drinking water | requirement | > 60 °C | Threshold for reducing positive detection of Legionella in buildings. | Hot water tank | high |
| #R006 | physical | operational | recommended | Hot water temperature at distal points | drinking water | treatment_goal | > 55 °C | Recommended for reducing Legionella colonization in distal plumbing lines. | Distal points in hot water lines | high |
| #R007 | physical | unknown | mandatory | Maximum water outlet temperature | drinking water | requirement | <= 49 °C | Limit for showerheads and bathtubs to reduce scalding risk. | At the tap/outlet | high |
| #R008 | microbiological | health | guidance | Legionella concentration action level | drinking water, other | requirement | 50,000 CFU/L | Threshold that warrants concern and triggers remedial activities. | Various water systems (cooling towers, buildings, etc.) | high |
| #R009 | operational | health | recommended | Minimum free chlorine residual (N. fowleri control) | drinking water | requirement | 0.5 mg/L | Recommended for vulnerable drinking water systems. | Throughout the distribution system | high |
| #R010 | operational | health | recommended | Best practice chloramine residual (N. fowleri control) | drinking water | requirement | > 1.5 mg/L | Sufficient for control of N. fowleri in the distribution system. | Throughout the distribution system | high |
| #R011 | operational | operational | recommended | Minimum free chlorine residual for healthcare facilities | drinking water | requirement | 0.3 to 0.5 mg/L | Recommended target for Legionella control in healthcare plumbing systems. | Health-care facilities | high |
| #R012 | operational | operational | recommended | Monochloramine residual for healthcare facilities | drinking water | requirement | 1.5 mg/L | Recommended target for Legionella control in healthcare plumbing systems. | Health-care facilities | high |
| #R013 | operational | operational | guidance | Free chlorine residual for Pseudomonas control | drinking water | OG | > 0.3 mg/L | Suggested for control of Pseudomonas spp. in bulk water. | Bulk water in distribution or premise plumbing | high |
| #R014 | physical | treatment | guidance | Thermal shock temperature | drinking water | requirement | 70 °C | Remediation measure for building systems (heat shock). | Stringent thermal shock for 30 minutes | high |
| #R015 | microbiological | health | guideline | EU Legionella action level | drinking water | requirement | 1000 CFU/L | Action level in premise plumbing systems under 2020 EU Drinking Water Directive. | Premise plumbing systems | high |
| #R016 | microbiological | operational | mandatory | Dutch Aeromonas target limit | drinking water | OG | < 1000 CFU/100 mL | Operational parameter requirement in Dutch drinking water legislation. | Netherlands jurisdiction | high |
| #R017 | operational | treatment | guidance | Free chlorine CT for 2-log Aeromonas spp. inactivation | drinking water | treatment_goal | 0.2 to 1.4 mg·min/L | Relative CT values for various waterborne pathogens using free chlorine. | 5-25°C, pH 6-9 | high |
| #R018 | operational | treatment | guidance | Free chlorine CT for 2-log Pseudomonas spp. inactivation | drinking water | treatment_goal | 0.0073 to 4.3 mg·min/L | Relative CT values for various waterborne pathogens using free chlorine. | 5-25°C, pH 6-9 | high |
| #R019 | operational | treatment | guidance | Free chlorine CT for 3-4 log Legionella pneumophila inactivation | drinking water | treatment_goal | 0.1 to 0.3 mg·min/L | Relative CT values for various waterborne pathogens using free chlorine. | 5-25°C, pH 6-9 | high |
| #R020 | operational | treatment | guidance | Free chlorine CT for 4-log Naegleria fowleri cysts inactivation | drinking water | treatment_goal | 31 to 37 mg·min/L | Relative CT values for various waterborne pathogens using free chlorine. | 5-25°C, pH 6-9 | high |
| #R021 | operational | treatment | guidance | Free chlorine CT for 3-log Mycobacterium avium inactivation | drinking water | treatment_goal | 51 to 1552 mg·min/L | Relative CT values for various waterborne pathogens using free chlorine. | 5-25°C, pH 6-9 | high |
| #R022 | operational | treatment | guidance | Free chlorine CT for 2-log Acanthamoeba species cysts inactivation | drinking water | treatment_goal | 1300 mg·min/L | Relative CT values for various waterborne pathogens using free chlorine. | 5-25°C, pH 6-9 | high |
| #R023 | operational | treatment | guidance | UV dose for 4-log Cryptosporidium/Giardia inactivation | drinking water | treatment_goal | 22 mJ/cm2 | Relative UV dose requirements for 4 log inactivation. | high | |
| #R024 | operational | treatment | guidance | UV dose for 4-log Naegleria fowleri cysts inactivation | drinking water | treatment_goal | 121 mJ/cm2 | Relative UV dose requirements for 4 log inactivation. | high | |
| #R025 | operational | treatment | guidance | UV dose for 4-log Acanthamoeba spp. cysts inactivation | drinking water | treatment_goal | 167 mJ/cm2 | Relative UV dose requirements for 4 log inactivation. | high | |
| #R026 | operational | treatment | guidance | UV dose for 4-log Adenovirus inactivation | drinking water | treatment_goal | 51 to 261 mJ/cm2 | Relative UV dose requirements for 4 log inactivation. | high | |
| #R027 | operational | treatment | guidance | UV dose for 2 to 5 log inactivation of some Mycobacterium species | drinking water | treatment_goal | 96 to 192 mJ/cm2 | Relative UV dose requirements for various waterborne pathogens. | high | |
| #R028 | operational | treatment | guidance | Free chlorine CT for biofilm-associated Legionella pneumophila | drinking water | treatment_goal | 8.86 to 63.67 mg·min/L | CT values for inactivation of biofilm-associated Legionella pneumophila strain Philadelphia-1 serogroup 1. | PVC material, pH = 8, temperature = 21 °C | high |
| #R029 | operational | treatment | guidance | Monochloramine CT for biofilm-associated Legionella pneumophila | drinking water | treatment_goal | 17.16 to 108.44 mg·min/L | CT values for inactivation of biofilm-associated Legionella pneumophila strain Philadelphia-1 serogroup 1. | PVC material, pH = 8, temperature = 21 °C | high |
| #R030 | operational | treatment | guidance | Typical design CT for 4 log virus inactivation | drinking water | treatment_goal | 12-15 mg·min/L | Typical design CTs required for inactivation credits using free chlorine. | 5-25°C, pH 6-9 | high |
| #R031 | operational | treatment | guidance | Typical design CT for 0.5 log Giardia inactivation | drinking water | treatment_goal | 35-65 mg·min/L | Typical design CTs required for inactivation credits using free chlorine. | 5-25°C, pH 6-9 | high |
| #R032 | operational | treatment | guidance | Free chlorine CT for 2-log enteric bacteria inactivation | drinking water | treatment_goal | 0.034 to 5.1 mg·min/L | Includes E. coli, Campylobacter, Helicobacter, Salmonella, and Yersinia. | 5-25°C, pH 6-9 | high |
| #R033 | operational | treatment | guidance | UV dose for 4-log Pseudomonas species inactivation | drinking water | treatment_goal | 3.1 mJ/cm2 | Relative UV dose requirements for 4 log inactivation. | high | |
| #R034 | operational | treatment | guidance | UV dose for 4-log Legionella pneumophila inactivation | drinking water | treatment_goal | 11 to 30 mJ/cm2 | Relative UV dose requirements for 4 log inactivation. | high | |
| #R035 | operational | treatment | guidance | UV dose for 4-log enteric bacteria inactivation | drinking water | treatment_goal | 5 to 51 mJ/cm2 | Includes E. coli, Campylobacter, Helicobacter, Salmonella, and Yersinia. | high | |
| #R036 | operational | treatment | guidance | UV dose for 4-log enteric viruses inactivation | drinking water | treatment_goal | 16.4 to 61 mJ/cm2 | Includes Hepatitis A, Coxsackievirus, Poliovirus, and Rotavirus. | high | |
| #R037 | operational | treatment | guidance | UV dose for 4-log Mycobacterium avium inactivation | drinking water | treatment_goal | 12.3 to 64 mJ/cm2 | Relative UV dose requirements for 4 log inactivation. | high | |
| #R038 | operational | treatment | guidance | Free chlorine CT for 2-log enteric virus inactivation | drinking water | treatment_goal | 0.01 to 12 mg·min/L | Relative CT values for 2 log inactivation. | 5-25°C, pH 6-9 | high |
| #R039 | operational | treatment | guidance | Free chlorine CT for 2-log Giardia cysts inactivation | drinking water | treatment_goal | 25 to 99 mg·min/L | Relative CT values for 2 log inactivation. | 5-25°C, pH 6-9 | high |
| #R040 | operational | treatment | guidance | UV dose for 2-log Aeromonas spp. inactivation | drinking water | treatment_goal | 2.5 to 8 mJ/cm2 | Relative UV dose requirements for inactivation. | high | |
| #R041 | operational | operational | guidance | Time for 2 log inactivation of biofilm-associated Legionella pneumophila (Free Chlorine 0.2 mg/L) | drinking water | requirement | 44.3 minutes | Time required to achieve 2 log inactivation of biofilm-associated Legionella pneumophila strain Philadelphia-1 serogroup 1 in a distribution system. | Free chlorine residual of 0.2 mg/L; PVC material; pH 8; Temperature 21°C. | high |
| #R042 | operational | operational | guidance | Time for 2 log inactivation of biofilm-associated Legionella pneumophila (Free Chlorine 0.5 mg/L) | drinking water | requirement | 17.7 minutes | Time required to achieve 2 log inactivation of biofilm-associated Legionella pneumophila strain Philadelphia-1 serogroup 1 in a distribution system. | Free chlorine residual of 0.5 mg/L; PVC material; pH 8; Temperature 21°C. | high |
| #R043 | operational | operational | guidance | Time for 2 log inactivation of biofilm-associated Legionella pneumophila (Free Chlorine 1.0 mg/L) | drinking water | requirement | 8.9 minutes | Time required to achieve 2 log inactivation of biofilm-associated Legionella pneumophila strain Philadelphia-1 serogroup 1 in a distribution system. | Free chlorine residual of 1.0 mg/L; PVC material; pH 8; Temperature 21°C. | high |
| #R044 | operational | operational | guidance | Time for 2 log inactivation of biofilm-associated Legionella pneumophila (Monochloramine 1.0 mg/L) | drinking water | requirement | 17.2 minutes | Time required to achieve 2 log inactivation of biofilm-associated Legionella pneumophila strain Philadelphia-1 serogroup 1 in a distribution system. | Monochloramine residual of 1.0 mg/L; PVC material; pH 8; Temperature 21°C. | high |
| #R045 | operational | operational | guidance | Time for 2 log inactivation of biofilm-associated Legionella pneumophila (Monochloramine 1.5 mg/L) | drinking water | requirement | 11.4 minutes | Time required to achieve 2 log inactivation of biofilm-associated Legionella pneumophila strain Philadelphia-1 serogroup 1 in a distribution system. | Monochloramine residual of 1.5 mg/L; PVC material; pH 8; Temperature 21°C. | high |
| #R046 | operational | operational | guidance | Time for 2 log inactivation of biofilm-associated Legionella pneumophila (Monochloramine 1.8 mg/L) | drinking water | requirement | 9.5 minutes | Time required to achieve 2 log inactivation of biofilm-associated Legionella pneumophila strain Philadelphia-1 serogroup 1 in a distribution system. | Monochloramine residual of 1.8 mg/L; PVC material; pH 8; Temperature 21°C. | high |
| Req ID | Category | Name | Context | Confidence |
|---|---|---|---|---|
| #D001 | AIDS | acquired immunodeficiency syndrome | high | |
| #D002 | AK | Acanthamoeba keratitis | high | |
| #D003 | ANSI | American National Standards Institute | high | |
| #D004 | ASHRAE | American Society of Heating, Refrigerating, and Air-Conditioning Engineers | high | |
| #D005 | CDC | Centers for Disease Control and Prevention | high | |
| #D006 | CFU | colony forming units | high | |
| #D007 | CT | concentration (C) × time (T) | high | |
| #D008 | DAEC | diffuse adherent Escherichia coli | high | |
| #D009 | DNA | deoxyribonucleic acid | high | |
| #D010 | EAEC | enteroaggregative Escherichia coli | high | |
| #D011 | E. coli | Escherichia coli | high | |
| #D012 | EHEC | enterohaemorrhagic Escherichia coli | high | |
| #D013 | EIEC | enteroinvasive Escherichia coli | high | |
| #D014 | EPEC | enteropathogenic Escherichia coli | high | |
| #D015 | ESBL | extended spectrum β-lactamase | high | |
| #D016 | ETEC | enterotoxigenic Escherichia coli | high | |
| #D017 | EU | European Union | high | |
| #D018 | GAC | granulated activated carbon | high | |
| #D019 | GAE | granulomatous amoebic encephalitis | high | |
| #D020 | HIV | human immunodeficiency virus | high | |
| #D021 | HPC | heterotrophic plate count | high | |
| #D022 | HUS | hemolytic uremic syndrome | high | |
| #D023 | HVAC | heating, ventilation and air conditioning | high | |
| #D024 | IARC | International Agency for Research on Cancer | high | |
| #D025 | ISO | International Organization for Standardization | high | |
| #D026 | NASEM | National Academies of Sciences, Engineering and Medicine | high | |
| #D027 | NPC | National Plumbing Code (Canada) | high | |
| #D028 | NSF | NSF International | high | |
| #D029 | NTM | non-tuberculous mycobacteria | high | |
| #D030 | PAM | primary amebic meningoencephalitis | high | |
| #D031 | PCR | polymerase chain reaction | high | |
| #D032 | PHAC | Public Health Agency of Canada | high | |
| #D033 | POE | point-of-entry | high | |
| #D034 | POU | point-of-use | high | |
| #D035 | QMRA | quantitative microbial risk assessment | high | |
| #D036 | SCC | Standards Council of Canada | high | |
| #D037 | spp. | species | high | |
| #D038 | US EPA | United States Environmental Protection Agency | high | |
| #D039 | U.S. | United States | high | |
| #D040 | UV | ultraviolet | high | |
| #D041 | VBNC | viable but non-culturable | high | |
| #D042 | VTEC | verotoxin-producing Escherichia coli | high | |
| #D043 | WHO | World Health Organization | high | |
| #D044 | Subacute cases of diarrhea | those lasting from two weeks to two months | high | |
| #D045 | Opportunistic pathogens | microorganisms ... naturally found in aquatic environments and can cause opportunistic infections when the conditions in engineered water systems (e.g., drinking water distribution systems and building/premise plumbing) allow them to multiply and spread primarily to individuals who are susceptible to infection | high | |
| #D046 | IT | intensity measured in mW/cm2 or W/m 2× time measured in seconds resulting in a computed fluence in mJ/cm2 | high | |
| #D047 | Chronic cases (of Aeromonas-associated diarrhea) | cases [that] persist for longer periods | high | |
| #D048 | Planktonic | freely floating | high | |
| #D049 | Rapid growers (Mycobacterium spp.) | Species ... categorized ... based on the time required to produce colonies on growth media | high | |
| #D050 | Slow growers (Mycobacterium spp.) | Species ... categorized ... based on the time required to produce colonies on growth media | high | |
| #D051 | Zoonotic pathogens | transmitted from animals to humans | high | |
| #D052 | Shigellosis | disease caused by Shigella spp. | high | |
| #D053 | Enteric fever | also known as typhoid or paratyphoid fever | high | |
| #D054 | Yersiniosis | Disease caused by Y. enterocolitica or Y. paratuberculosis | high | |
| #D055 | Legionellosis | Illnesses caused by Legionella spp. | high | |
| #D056 | Legionnaires’ disease | a severe respiratory illness involving pneumonia, with symptoms that include fever, cough, chills, neurological aspects (confusion), muscle pain, headache and gastrointestinal problems (diarrhea, nausea, vomiting) | high | |
| #D057 | Pontiac fever | a milder, flu-like, self-limiting and non-pneumonic disease associated with exposure to Legionella | high | |
| #D058 | Hypersensitivity pneumonitis | a form of pulmonary illness where inflammation within the lung is attributable to the body’s immune response to mycobacterial antigens | high | |
| #D059 | Guidance documents | developed to provide operational or management guidance related to specific drinking water–related issues (e.g., boil water advisories) in order to make health risk assessment information available when a guideline value is not deemed necessary. | high | |
| #D060 | Guidelines | established under the Guidelines for Canadian Drinking Water Quality specifically for contaminants that meet all of the following criteria: 1. exposure to the contaminant could lead to adverse health effects; 2. the contaminant is frequently detected or could be expected to be found in a large number of drinking water supplies throughout Canada; and 3. the contaminant is detected, or could be expected to be detected, at a level that is of possible health significance. | high | |
| #D061 | Thermotolerant | can survive at high temperatures, between 55 and 70°C | high | |
| #D062 | Non-tuberculous mycobacteria (NTM) | group of over 150 distinct species that are considered to be opportunistic human pathogens | high | |
| #D063 | Granulomatous amoebic encephalitis (GAE) | a fatal disease which occurs when infection spreads to the brain and central nervous system | high | |
| #D064 | Primary amebic meningoencephalitis (PAM) | a rare but almost always fatal disease | high | |
| #D065 | Enterohaemorrhagic Escherichia coli (EHEC) | subset of E. coli that can produce one or more of the potent Shiga toxins and are considered to be highly pathogenic to humans. | high | |
| #D066 | Hemolytic uremic syndrome (HUS) | serious and potentially life-threatening condition [that] results in decreased blood cell and platelet counts and acute kidney failure. | high | |
| #D067 | final discharge point | an identifiable discharge point of a mine beyond which the operator of the mine no longer exercises control over the quality of the effluent. | high | |
| #D068 | tailings impoundment area (TIA) | either: a water or place set out in Schedule 2 of the Regulations [or] a confined disposal area other than a disposal area that is or is part of a natural water body that is frequented by fish | high | |
| #D069 | Acartia tonsa | an invertebrate that serves as an indicator to assess toxicity in salt-water or brackish environments. | high | |
| #D070 | Daphnia magna | a small aquatic crustacean that is a food source for many fish. | high | |
| #D071 | Environment and Climate Change Canada (ECCC) | Environment and Climate Change Canada | high | |
| #D072 | MERS | Mine Effluent Reporting System | high | |
| #D073 | EEMER | Environmental Effects Monitoring Electronic Reporting System | high | |
| #D074 | EEM | Environmental Effects Monitoring | high | |
| #D075 | Portable Document Format | high | ||
| #D076 | KB | Kilobyte | high | |
| #D077 | placer mining operations | extracts minerals or metals from stream sediments | high | |
| #D078 | deleterious substances | arsenic, copper, cyanide, lead, nickel, zinc, suspended solids, radium 226 and un-ionized ammonia | high | |
| #D079 | ECCC | Environment and Climate Change Canada | high | |
| #D080 | TIA | tailings impoundment area | high | |
| #D081 | ERRIS | Effluent Regulatory Reporting Information System | high |