| Req ID | Category | Intent | Legal Status | Name | Subdomain(s) | Context | Conditions | Confidence |
|---|---|---|---|---|---|---|---|---|
| #Q001 | operational | health | recommended | Basic Parameter Achievement | drinking water | The guidelines set out the basic parameters that every water system should strive to achieve in order to provide the cleanest, safest and most reliable drinking water possible. | medium | |
| #Q002 | monitoring | operational | guidance | Use of Guidelines as Markers | drinking water | The drinking water guidelines can be used as markers to make sure the barriers are working and the treated drinking water is safe. | When implementing a Multi-Barrier Approach to Safe Drinking Water | medium |
| #Q003 | operational | health | recommended | Source-to-Tap/Water Safety Plan Implementation | drinking water | a priority focus on drinking water process management, for example, through the implementation of a source-to-tap or water safety plan approach, is the recommended strategy for water utilities to manage potential risks. | high | |
| #Q004 | administrative | reporting | recommended | Education and Outreach Programs | 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 | |
| #Q005 | operational | health | recommended | Building Water Management Plans | other | Building water management plans are the recommended best practice for building owners/managers. | high | |
| #Q006 | 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 | |
| #Q007 | monitoring | health | recommended | Subsurface Source Assessments | 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 | Applies to subsurface source water assessments | high |
| #Q008 | operational | operational | recommended | Operator Training | drinking water | provide operator training to assure the effectiveness of the water safety plan at all times. | Part of water treatment plant management | high |
| #Q009 | operational | health | recommended | Distribution System Cleaning | 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) | high | |
| #Q010 | operational | health | recommended | Premise Plumbing Temperature Control | other | 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) | Applicable to building owners and managers | high |
| #Q011 | 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). | high | |
| #Q012 | treatment | health | recommended | Primary Disinfection Application | 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 | Elements related to drinking water treatment plant optimization | high |
| #Q013 | treatment | health | recommended | Secondary Disinfection Application | drinking water | properly apply secondary disinfection technologies (i.e., free chlorine or monochloramine) for residual maintenance in the distribution system | Elements related to drinking water treatment plant optimization | high |
| #Q014 | operational | operational | recommended | Climate Change Risk 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 | |
| #Q015 | operational | health | recommended | Naegleria fowleri Chlorine Residual | 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. | Applicable to vulnerable drinking water systems (water temperatures > 25°C) | high |
| #Q016 | design | health | recommended | Residential Treatment Device Certification | drinking water | 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 | When treatment is necessary for residential-scale systems and private wells | high |
| #Q017 | treatment | operational | recommended | Biologically Stable Water Production | 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 | high | |
| #Q018 | treatment | treatment | recommended | Treatment Performance Optimization | drinking water | optimize treatment performance for turbidity and natural organic matter removal; | high | |
| #Q019 | operational | health | recommended | External 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); | high | |
| #Q020 | administrative | reporting | recommended | Jurisdictional Authority Consultation | other | In addition, 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). | high | |
| #Q021 | operational | health | recommended | Aerosol Formation and Transmission Reduction | other | reducing the formation and transmission of contaminated aerosols from system components such as cooling towers, showers, faucets, hot tubs and humidifiers. | high | |
| #Q022 | operational | health | recommended | Nasal Rinse Safety Procedure | drinking water | individuals should ensure that they conduct nasal rinses using water that has been boiled and cooled, or distilled water. | high | |
| #Q023 | 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 | Drinking water treatment plant optimization | high |
| #Q024 | treatment | treatment | recommended | Scaling and Corrosion Optimization | drinking water | optimize treatment to minimize the amount of scaling and/or corrosion in the distribution system | Drinking water treatment plant optimization | high |
| #Q025 | monitoring | operational | recommended | Multi-Parameter Performance Testing | drinking water | conduct performance testing using multiple parameters (e.g., disinfectant residual, microbiological indicators, pH, turbidity) | Drinking water treatment plant optimization | high |
| #Q026 | administrative | reporting | recommended | Climate Scenario Consultation | drinking water | The responsible authority should be consulted to discuss relevant forecast scenarios. | When discussing potential climate scenarios impacting water utilities | high |
| #Q027 | administrative | treatment | recommended | Supplemental Disinfection Professional Consultation | other | A water treatment professional should be consulted before applying any supplemental disinfection. | Before applying supplemental disinfection in building water systems | high |
| #Q028 | operational | health | recommended | Contact Lens Safety 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 | Homeowners/consumers using contact lenses | high |
| #Q029 | corrective_action | health | recommended | Corrective Action for Disinfectant Residuals | drinking water | maintain an effective disinfectant residual and take preventive/corrective actions when low disinfectant residuals occur, particularly during warm water temperature conditions when biofilm growth accelerates; | Operational practice for distribution systems | high |
| #Q030 | design | health | recommended | Mixing Valve Positioning | other | Mixing valves should be positioned as close as possible to the point of use and provide access for maintenance and cleaning | Applicable to premise plumbing systems using thermostatic mixing valves | high |
| #Q031 | operational | health | recommended | Electric Storage Water Heater Temperature Setting | other | electric storage-type water heaters should be pre-set to a temperature of 60°C as a result of the temperature stratification that can occur with this type of heater. | Specific to electric storage-type heaters in residential or building systems | high |
| #Q032 | monitoring | health | recommended | Risk-Informed Environmental Monitoring | other | environmental monitoring at individual facilities should be informed by a site-specific risk assessment as part of a Water Management Plan | For building water systems with identified risk factors | high |
| #Q033 | monitoring | health | recommended | Source Assessment 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. | Part of source water assessment process | high |
| #Q034 | monitoring | operational | recommended | Multi-parametric Distribution 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). | Applicable to drinking water distribution systems | high |
| #Q035 | operational | operational | recommended | Water Age and Temperature Management | drinking water | manage water age and the effects of temperature; | Key distribution system operational and maintenance practice | high |
| #Q036 | 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. | Owners of residential-scale systems and private wells | high |
| #Q037 | operational | health | recommended | Stagnation Avoidance and Flushing | other | Avoiding stagnation through proper system design and the use of flushing regimes is also essential for effective Legionella control (WHO, 2007, 2011; PWGSC, 2016; ASHRAE, 2018; NASEM, 2020). | Effective Legionella control in buildings | high |
| #Q038 | operational | health | recommended | Weekly Flushing of Low Flow Points | other | Guidance documents for building systems recommend minimum weekly flushing of low flow pipe runs, dead ends/dead legs and infrequently used fittings or outlets (ECDC, 2017; HSE 2014, CDC, 2021b). | Maintenance of building water systems | high |
| Req ID | Category | Intent | Legal Status | Name | Subdomain(s) | Limit Type | Limit Value | Context | Conditions | Confidence |
|---|---|---|---|---|---|---|---|---|---|---|
| #R001 | operational | operational | recommended | Minimum disinfectant residual concentration in distribution system | drinking water | requirement | > 0.2 mg/L | To control microbiological (re)growth in the distribution system | Standard distribution system operation | high |
| #R002 | operational | operational | recommended | Free chlorine residual for biofilm control | drinking water | requirement | 1.0 mg/L | Required for controlling biofilm formation in chlorinating systems | Systems that chlorinate | high |
| #R003 | operational | operational | recommended | Total chlorine residual for biofilm control | drinking water | requirement | 1.8 mg/L | Required for controlling biofilm formation in chloraminating systems | Systems that chloraminate | high |
| #R004 | physical | operational | recommended | Cold water temperature limit | drinking water | OG | < 20 °C | Keeping cold water systems outside of the ideal range for microorganism growth | Premise plumbing | high |
| #R005 | physical | operational | mandatory | Hot water tank minimum temperature | drinking water | requirement | > 60 °C | Keeping hot water tank temperature outside growth range; NPC specification for Legionella control | Hot water tanks (NPC pre-set for electric storage-type) | high |
| #R006 | physical | operational | recommended | Hot water lines distal points temperature | drinking water | OG | > 55 °C | Ideally maintained to reduce the risk of microorganism growth | Distal points of hot water lines | high |
| #R007 | microbiological | operational | guideline | Legionella concentration action level | drinking water | requirement | 50000 CFU/L | Concentration that warrants concern and should trigger remedial activities | Various water systems (cooling towers, buildings, etc.) | high |
| #R008 | physical | operational | mandatory | Maximum tap water temperature for scalding protection | drinking water | requirement | <= 49 °C | NPC specification for valves supplying showerheads and bathtubs | Water outlet at tap | high |
| #R009 | physical | treatment | recommended | Thermal shock remediation temperature | drinking water | requirement | 70 °C | Extreme remediation measure for Legionella control | 30 minutes duration | high |
| #R010 | operational | operational | recommended | Minimum free chlorine residual for Naegleria fowleri control | drinking water | OG | 0.5 mg/L | Recommended for control in vulnerable drinking water systems | Throughout the distribution system | high |
| #R011 | operational | operational | recommended | Minimum chloramine residual for Naegleria fowleri control | drinking water | OG | > 1.5 mg/L | Sufficient for N. fowleri control in distribution systems | Throughout the distribution system | high |
| #R012 | operational | operational | guideline | Dutch Aeromonas operational target | drinking water | OG | < 1000 CFU/100 mL | Dutch drinking water legislation specified monitoring requirement | Operational parameter | high |
| #R013 | operational | treatment | recommended | Healthcare facility free chlorine residual for Legionella control | drinking water | treatment_goal | 0.3 - 0.5 mg/L | Guidance materials for health-care facilities | Plumbing systems in health-care settings | high |
| #R014 | operational | treatment | recommended | Healthcare facility monochloramine residual for Legionella control | drinking water | treatment_goal | 1.5 mg/L | Guidance materials for health-care facilities | Plumbing systems in health-care settings | high |
| #R015 | microbiological | operational | guideline | European Union Legionella action level | drinking water | requirement | 1000 CFU/L | European Union Drinking Water Directive | Premise plumbing systems | high |
| #R016 | operational | operational | recommended | Free chlorine residual for Pseudomonas bulk water control | drinking water | OG | > 0.3 mg/L | Control of Pseudomonas spp. in bulk water | Bulk water in distribution/plumbing | high |
| #R017 | operational | treatment | guideline | CT for 2-log inactivation of biofilm-associated Legionella pneumophila (Free Chlorine) | drinking water | treatment_goal | 8.86 mg*min/L | pH 8, 21°C | Legionella pneumophila strain Philadelphia-1 associated with biofilm on PVC | high |
| #R018 | operational | treatment | guideline | CT for 2-log inactivation of biofilm-associated Legionella pneumophila (Monochloramine) | drinking water | treatment_goal | 17.16 mg*min/L | pH 8, 21°C | Legionella pneumophila strain Philadelphia-1 associated with biofilm on PVC | high |
| #R019 | microbiological | treatment | guideline | CT values for 3-log inactivation of Mycobacterium avium (Free Chlorine) | drinking water | treatment_goal | 51 - 1552 mg*min/L | 5-25°C, pH 6-9 | Relative CT values provided for inactivation in bulk water | high |
| #R020 | microbiological | treatment | guideline | UV dose for 4-log inactivation of Naegleria fowleri cysts | drinking water | treatment_goal | 121 mJ/cm2 | Relative UV dose requirements for 4-log inactivation | high | |
| #R021 | microbiological | treatment | guideline | UV dose for 4-log inactivation of Acanthamoeba spp. cysts | drinking water | treatment_goal | 167 mJ/cm2 | Relative UV dose requirements for 4-log inactivation | high | |
| #R022 | operational | treatment | guideline | CT for 3-log inactivation of biofilm-associated Legionella pneumophila (Free Chlorine) | drinking water | treatment_goal | 36.11 mg*min/L | pH 8, 21°C | Legionella pneumophila strain Philadelphia-1 associated with biofilm on PVC | high |
| #R023 | operational | treatment | guideline | CT for 4-log inactivation of biofilm-associated Legionella pneumophila (Free Chlorine) | drinking water | treatment_goal | 63.67 mg*min/L | pH 8, 21°C | Legionella pneumophila strain Philadelphia-1 associated with biofilm on PVC | high |
| #R024 | operational | treatment | guideline | CT for 3-log inactivation of biofilm-associated Legionella pneumophila (Monochloramine) | drinking water | treatment_goal | 62.80 mg*min/L | pH 8, 21°C | Legionella pneumophila strain Philadelphia-1 associated with biofilm on PVC | high |
| #R025 | operational | treatment | guideline | CT for 4-log inactivation of biofilm-associated Legionella pneumophila (Monochloramine) | drinking water | treatment_goal | 108.44 mg*min/L | pH 8, 21°C | Legionella pneumophila strain Philadelphia-1 associated with biofilm on PVC | high |
| #R026 | microbiological | treatment | guideline | CT range for 2-log inactivation of Aeromonas species (Free Chlorine) | drinking water | treatment_goal | 0.2 - 1.4 mg*min/L | 5-25°C, pH 6-9 | high | |
| #R027 | microbiological | treatment | guideline | CT range for 2-log inactivation of Pseudomonas species (Free Chlorine) | drinking water | treatment_goal | 0.0073 - 4.3 mg*min/L | 5-25°C, pH 6-9 | high | |
| #R028 | microbiological | treatment | guideline | CT range for 2-log inactivation of Pathogenic Gastrointestinal Bacteria (Free Chlorine) | drinking water | treatment_goal | 0.034 - 5.1 mg*min/L | 5-25°C, pH 6-9; includes E. coli, Campylobacter, Helicobacter, Salmonella, and Yersinia | high | |
| #R029 | microbiological | treatment | guideline | CT range for 2-log inactivation of Enteric Viruses (Free Chlorine) | drinking water | treatment_goal | 0.01 - 12 mg*min/L | 5-25°C, pH 6-9 | high | |
| #R030 | microbiological | treatment | guideline | CT range for 2-log inactivation of Giardia cysts (Free Chlorine) | drinking water | treatment_goal | 25 - 99 mg*min/L | 5-25°C, pH 6-9 | high | |
| #R031 | microbiological | treatment | guideline | UV dose range for 4-log inactivation of Aeromonas species | drinking water | treatment_goal | 2.5 - 8 mJ/cm2 | Relative UV dose requirements for 4-log inactivation (except Aeromonas which is 2-log) | Note: chart indicates 2-log removal for this value | high |
| #R032 | microbiological | treatment | guideline | UV dose range for 4-log inactivation of Legionella pneumophila | drinking water | treatment_goal | 11 - 30 mJ/cm2 | Relative UV dose requirements | high | |
| #R033 | microbiological | treatment | guideline | UV dose range for 4-log inactivation of enteric group viruses | drinking water | treatment_goal | 16.4 - 61 mJ/cm2 | Includes Hepatitis A, Coxsackievirus, Poliovirus, and Rotavirus | high | |
| #R034 | microbiological | treatment | guideline | UV dose range for 4-log inactivation of Adenovirus | drinking water | treatment_goal | 51 - 261 mJ/cm2 | Relative UV dose requirements | high | |
| #R035 | microbiological | treatment | guideline | UV dose for 4-log inactivation of Pseudomonas species | drinking water | treatment_goal | 3.1 mJ/cm2 | Relative UV dose requirements for 4-log inactivation | high | |
| #R036 | microbiological | treatment | guideline | UV dose for 4-log inactivation of Cryptosporidium oocysts | drinking water | treatment_goal | 22 mJ/cm2 | Relative UV dose requirements for 4-log inactivation | high | |
| #R037 | microbiological | treatment | guideline | UV dose for 4-log inactivation of Giardia cysts | drinking water | treatment_goal | 22 mJ/cm2 | Relative UV dose requirements for 4-log inactivation | high | |
| #R038 | microbiological | treatment | guideline | UV dose range for 4-log inactivation of Pathogenic Gastrointestinal Bacteria | drinking water | treatment_goal | 5 - 51 mJ/cm2 | Includes E. coli, Campylobacter, Helicobacter, Salmonella, and Yersinia | high | |
| #R039 | microbiological | treatment | guideline | UV dose range for 4-log inactivation of Mycobacterium avium | drinking water | treatment_goal | 12.3 - 64 mJ/cm2 | Relative UV dose requirements | high | |
| #R040 | microbiological | treatment | guideline | UV dose range for 2 to 5-log inactivation of specific Mycobacterium species | drinking water | treatment_goal | 96 - 192 mJ/cm2 | Relative UV dose requirements for 2-5 log removal | high | |
| #R041 | microbiological | treatment | guideline | CT range for 2-log inactivation of Naegleria fowleri cysts (Free Chlorine) | drinking water | treatment_goal | 31 - 37 mg*min/L | Relative CT values for 4-log removal based on Figure D1 description | high | |
| #R042 | microbiological | treatment | guideline | CT range for 3 to 4-log inactivation of Legionella pneumophila (Free Chlorine) | drinking water | treatment_goal | 0.1 - 0.3 mg*min/L | Relative CT values | high | |
| #R043 | microbiological | operational | guideline | Legionella action level range for potable water systems | drinking water | requirement | > 1000 - 10000 CFU/L | Range of action levels recommended by various agencies | Potable water systems | high |
| #R044 | microbiological | operational | guideline | Legionella action level range for cooling towers | other | requirement | > 1000 - 1000000 CFU/L | Range of action levels recommended by various agencies | Cooling towers | high |
| #R045 | physical | treatment | recommended | Superheat and flush disinfection temperature | drinking water | treatment_goal | > 50 - 70 °C | Control measure used in building systems/health care facilities | Plumbing system remediation | high |
| #R046 | operational | treatment | guideline | Design CT for 4-log virus inactivation | drinking water | treatment_goal | 12 - 15 mg*min/L | Typical design CTs required for inactivation credits | Free chlorine | high |
| #R047 | operational | treatment | guideline | Design CT for 0.5-log Giardia inactivation | drinking water | treatment_goal | 35 - 65 mg*min/L | Typical design CTs required for inactivation credits | Free chlorine | high |
| #R048 | operational | treatment | guideline | Time for 2-log inactivation of biofilm-associated L. pneumophila (Free Chlorine at 0.2 mg/L) | drinking water | treatment_goal | 44.3 minutes | Calculated time to achieve inactivation at specific residual concentration | Free chlorine 0.2 mg/L; pH 8; 21 °C | high |
| #R049 | operational | treatment | guideline | Time for 2-log inactivation of biofilm-associated L. pneumophila (Free Chlorine at 0.5 mg/L) | drinking water | treatment_goal | 17.7 minutes | Calculated time to achieve inactivation at specific residual concentration | Free chlorine 0.5 mg/L; pH 8; 21 °C | high |
| #R050 | operational | treatment | guideline | Time for 2-log inactivation of biofilm-associated L. pneumophila (Free Chlorine at 1.0 mg/L) | drinking water | treatment_goal | 8.9 minutes | Calculated time to achieve inactivation at specific residual concentration | Free chlorine 1.0 mg/L; pH 8; 21 °C | high |
| #R051 | operational | treatment | guideline | Time for 2-log inactivation of biofilm-associated L. pneumophila (Monochloramine at 1.0 mg/L) | drinking water | treatment_goal | 17.2 minutes | Calculated time to achieve inactivation at specific residual concentration | Monochloramine 1.0 mg/L; pH 8; 21 °C | high |
| #R052 | operational | treatment | guideline | Time for 2-log inactivation of biofilm-associated L. pneumophila (Monochloramine at 1.5 mg/L) | drinking water | treatment_goal | 11.4 minutes | Calculated time to achieve inactivation at specific residual concentration | Monochloramine 1.5 mg/L; pH 8; 21 °C | high |
| #R053 | operational | treatment | guideline | Time for 2-log inactivation of biofilm-associated L. pneumophila (Monochloramine at 1.8 mg/L) | drinking water | treatment_goal | 9.5 minutes | Calculated time to achieve inactivation at specific residual concentration | Monochloramine 1.8 mg/L; pH 8; 21 °C | high |
| Req ID | Category | Name | Context | Confidence |
|---|---|---|---|---|
| #D001 | Subacute cases of diarrhea | those lasting from two weeks to two months | high | |
| #D002 | AIDS | acquired immunodeficiency syndrome | high | |
| #D003 | AK | Acanthamoeba keratitis | high | |
| #D004 | ANSI | American National Standards Institute | high | |
| #D005 | ASHRAE | American Society of Heating, Refrigerating, and Air-Conditioning Engineers | high | |
| #D006 | CDC | Centers for Disease Control and Prevention | high | |
| #D007 | CFU | colony forming units | high | |
| #D008 | CT | concentration (C) × time (T) | high | |
| #D009 | DAEC | diffuse adherent Escherichia coli | high | |
| #D010 | DNA | deoxyribonucleic acid | high | |
| #D011 | EAEC | enteroaggregative Escherichia coli | high | |
| #D012 | E. coli | Escherichia coli | high | |
| #D013 | EHEC | enterohaemorrhagic Escherichia coli | high | |
| #D014 | EIEC | enteroinvasive Escherichia coli | high | |
| #D015 | EPEC | enteropathogenic Escherichia coli | high | |
| #D016 | ESBL | extended spectrum β-lactamase | high | |
| #D017 | ETEC | enterotoxigenic Escherichia coli | high | |
| #D018 | EU | European Union | high | |
| #D019 | GAC | granulated activated carbon | high | |
| #D020 | GAE | granulomatous amoebic encephalitis | high | |
| #D021 | HIV | human immunodeficiency virus | high | |
| #D022 | HPC | heterotrophic plate count | high | |
| #D023 | HUS | hemolytic uremic syndrome | high | |
| #D024 | HVAC | heating, ventilation and air conditioning | high | |
| #D025 | IARC | International Agency for Research on Cancer | high | |
| #D026 | ISO | International Organization for Standardization | high | |
| #D027 | NASEM | National Academies of Sciences, Engineering and Medicine | high | |
| #D028 | NPC | National Plumbing Code (Canada) | high | |
| #D029 | NSF | NSF International | high | |
| #D030 | NTM | non-tuberculous mycobacteria | high | |
| #D031 | PAM | primary amebic meningoencephalitis | high | |
| #D032 | PCR | polymerase chain reaction | high | |
| #D033 | PHAC | Public Health Agency of Canada | high | |
| #D034 | POE | point-of-entry | high | |
| #D035 | POU | point-of-use | high | |
| #D036 | QMRA | quantitative microbial risk assessment | high | |
| #D037 | SCC | Standards Council of Canada | high | |
| #D038 | spp. | species | high | |
| #D039 | US EPA | United States Environmental Protection Agency | high | |
| #D040 | U.S. | United States | high | |
| #D041 | UV | ultraviolet | high | |
| #D042 | VBNC | viable but non-culturable | high | |
| #D043 | VTEC | verotoxin-producing Escherichia coli | high | |
| #D044 | WHO | World Health Organization | high | |
| #D045 | IT | intensity measured in mW/cm2 or W/m 2× time measured in seconds resulting in a computed fluence in mJ/cm2 | high | |
| #D046 | shigellosis | disease caused by Shigella spp. | high | |
| #D047 | Chronic cases | persist for longer periods | high | |
| #D048 | yersiniosis | Disease caused by Y. enterocolitica or Y. paratuberculosis | high | |
| #D049 | legionellosis | Illnesses caused by Legionella spp. | high | |
| #D050 | Hypersensitivity pneumonitis | a form of pulmonary illness where inflammation within the lung is attributable to the body’s immune response to mycobacterial antigens | high | |
| #D051 | Cervical lymphadenitis | a disease of childhood, marked by swollen lymph nodes in the head or neck | high | |
| #D052 | rapid growers | based on the time required to produce colonies on growth media | high | |
| #D053 | slow growers | based on the time required to produce colonies on growth media | high | |
| #D054 | Guidance documents | provide advice and guidance on issues related to drinking water quality for parameters that do not require a formal Guideline for Canadian Drinking Water Quality | high | |
| #D055 | 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 | |
| #D056 | 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 | |
| #D057 | Legionnaires’ disease | a severe respiratory illness involving pneumonia | high | |
| #D058 | Pontiac fever | a milder, flu-like, self-limiting and non-pneumonic disease associated with exposure to Legionella | high | |
| #D059 | planktonic | freely floating | high | |
| #D060 | zoonotic pathogens | transmitted from animals to humans | high | |
| #D061 | thermotolerant | can survive at high temperatures, between 55 and 70°C | high | |
| #D062 | thermophilic | grow well at 25-40°C (optimum: 37°C) and can tolerate temperatures exceeding 50-60°C | high | |
| #D063 | MAC | Mycobacterium avium complex | high | |
| #D064 | typhoidal Salmonella | the causative agents of enteric fever (also known as typhoid or paratyphoid fever), a serious and life-threatening illness | high | |
| #D065 | enteric fever | a serious and life-threatening illness (also known as typhoid or paratyphoid fever) caused by typhoidal Salmonella | high | |
| #D066 | non-typhoidal Salmonella | a large group containing the remainder of the S. enterica serotypes which cause gastrointestinal illness of varying severity | high | |
| #D067 | biotypes | variants differentiated by physiochemical and biochemical tests | high | |
| #D068 | serotypes | variants based on variations in their surface O antigens | high | |
| #D069 | Campylobacter | a bacterial genus that contains over 30 recognized species | high | |
| #D070 | Escherichia coli | Gram-negative bacteria that are a member of the natural intestinal microbial community of humans and animals | high | |
| #D071 | Helicobacter pylori | a pathogenic bacterium that can colonize the human stomach and is responsible for causing gastrointestinal diseases which can include gastritis, peptic ulcers and gastric cancer | high | |
| #D072 | Salmonella | a large and diverse group of bacteria that can cause gastrointestinal infections in animals and humans | high | |
| #D073 | Yersinia | genus (Class: Gammaproteobacteria, Family: Enterobacteriaceae) contains approximately 20 bacterial species | high | |
| #D074 | Aeromonas | bacterial genus (Class: Gammaproteobacteria) has a complex taxonomy | high | |
| #D075 | Legionella | bacterial genus (Class: Gammaproteobacteria) comprises 61 species and 3 subspecies | high | |
| #D076 | Mycobacterium | genus (Class: Actinobacteria) contains over 200 recognized species | high | |
| #D077 | Pseudomonas | bacterial genus (Class: Gammaproteobacteria) includes over 30 species | high | |
| #D078 | Acanthamoeba spp. | free-living amoebae commonly found in soil and aquatic environments | high | |
| #D079 | Naegleria fowleri | a pathogenic free‐living amoeba that causes primary amebic meningoencephalitis (PAM) in humans | high | |
| #D080 | EHEC | the 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 | |
| #D081 | hemolytic uremic syndrome (HUS) | results in decreased blood cell and platelet counts and acute kidney failure | high | |
| #D082 | microaerophilic | require lower oxygen levels | high | |
| #D083 | NTM | a group of over 150 distinct species that are considered to be opportunistic human pathogens | high | |
| #D084 | PAM | a rare but almost always fatal disease | high | |
| #D085 | 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 | |
| #D086 | tailings impoundment area | 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 | |
| #D087 | Acartia tonsa | an invertebrate that serves as an indicator to assess toxicity in salt-water or brackish environments. | high | |
| #D088 | Daphnia magna | a small aquatic crustacean that is a food source for many fish. | high | |
| #D089 | MERS | Mine Effluent Reporting System | high | |
| #D090 | EEMER | Environmental Effects Monitoring Electronic Reporting System | high | |
| #D091 | ECCC | Environment and Climate Change Canada | high | |
| #D092 | Portable Document Format | high | ||
| #D093 | KB | Kilobyte | high |