| Req ID | Category | Intent | Legal Status | Name | Subdomain(s) | Context | Conditions | Confidence |
|---|---|---|---|---|---|---|---|---|
| #Q001 | operational | operational | mandatory | Community Government WTP Operations | drinking water | Community governments are responsible for operating and maintaining WTPs. | high | |
| #Q002 | administrative | operational | mandatory | GNWT Regulatory Responsibility | drinking water | The Government of the Northwest Territories (GNWT) is responsible for the regulation of water supply systems, providing certification and training and support to WTP Operators. | high | |
| #Q003 | administrative | unknown | mandatory | Water License Requirement | drinking water | Communities are required to have a water licence under the NWT Waters Act. | The Hay River Reserve is exempt because they use the water and waste facilities in Hay River and Kakisa is exempt because they are too small to need a water licence. | high |
| #Q004 | reporting | reporting | mandatory | Water License Compliance Activities | drinking water, wastewater, other | Some requirements include annually reporting water use and sewage disposal volumes, sampling sewage effluent and landfill leachate, reporting sampling results and spills and developing operations and maintenance manuals. | Applicable to communities holding a water licence. | high |
| #Q005 | administrative | health | mandatory | CPHO Source and Design Approvals | drinking water | Approvals from the Chief Public Health Officer (CPHO) for the use of a water source, operations, and design is required. | high | |
| #Q006 | operational | operational | mandatory | Mandatory Operator Certification | drinking water | Operator Certification is now mandatory. The CPHO has the authority to issue special approvals for a community to operate their water treatment plant without a certified operator if certain criteria are met. | high | |
| #Q007 | administrative | unknown | mandatory | GCDWQ Adoption | drinking water | The regulations adopt the Guidelines for Canadian Drinking Water Quality (GCDWQ), making them part of the regulations in the NWT. | high | |
| #Q008 | monitoring | health | mandatory | HSS Raw Water Testing | drinking water | HSS requires daily testing for turbidity and as required other site specifc parameters, monthly bacteriological testing, and annual chemical testing of the raw water. | high | |
| #Q009 | monitoring | operational | mandatory | Raw Water Testing Responsibility | drinking water | Community governments are responsible for daily raw water testing and monthly bacteriological testing. | high | |
| #Q010 | monitoring | health | guidance | Raw Water Bacteria Exemption | drinking water | Communities that receive their water from other communities are not required to take raw water bacteria samples. | Applicable when receiving water from another community. | high |
| #Q011 | monitoring | health | guidance | Raw Water Chemical Exemption | drinking water | Communities that only add chlorine to the water and do not have any other treatment, do not need to take raw water chemical samples because there is no treatment process in place to alter the water quality. | Applicable when chlorination is the only treatment added. | high |
| #Q012 | treatment | health | mandatory | Turbidity Filtration or Dual Disinfection Requirement | drinking water | The turbidity guidelines require that all drinking water supply systems that use a surface water source or a ground water source under the influence of surface water, be filtered or have dual disinfection depending on the raw water quality. | Applies to systems using surface water or groundwater under the influence of surface water. | high |
| #Q013 | operational | operational | mandatory | Operator Certification Level | drinking water | Water treatment plant operators require certification to the same level as their plant. Acheiving certification involves both a written exam; on which an operator must receive a 70% in order to pass, and work experience. | high | |
| #Q014 | corrective_action | health | mandatory | Boil Water Advisory Lifting Requirement | drinking water | A boil water advisory will be lifted once the EHO is satisfied that there is no longer a risk to public safety. This will always involve providing bacteriological water quality results that are considered safe. | Applies when lifting a boil water advisory. | high |
| #Q015 | monitoring | health | mandatory | HSS Treated Water Testing Schedule | drinking water | HSS testing requirements for treated water include turbidity and chlorine testing at least three times per day, bacteria testing at least once per week, trihalomethane (THM) testing four times per year, and annual chemical testing. | high | |
| #Q016 | monitoring | health | mandatory | Dettah and Hay River Reserve Treated Water Testing | drinking water | Dettah and Hay River Reserve get water from other communities but add chlorine to it. They do not need to take treated water chemical samples but do need to take treated water bacteria and THM samples. | Specific to Dettah and Hay River Reserve. | high |
| #Q017 | operational | health | recommended | Disinfection By-Products Minimization | drinking water | As a precaution, disinfection by-products should be kept as low as reasonably achievable without compromising the effectiveness of disinfection. This is achieved by removing THM precursors prior to disinfection and by optimizing treatment processes. | high | |
| #Q018 | monitoring | health | mandatory | Piped Water Distribution Sampling | drinking water | Piped Water Distribution - At least one sample taken immediately after treatment with the remaining samples taken from different locations in the distribution system. | Applicable to Piped Water Distribution systems. | high |
| #Q019 | monitoring | health | mandatory | Trucked Water Distribution Sampling | drinking water | Trucked Water Distribution - At least one sample must be taken from each water truck in use that month, with the remaining samples taken from different public buildings. | Applicable to Trucked Water Distribution systems. | high |
| #Q020 | monitoring | operational | mandatory | On-line Continuous Monitoring Requirement | drinking water | Where practical, on-line continuous monitoring downstream of the treatment process is required. Where on-line monitoring is not practical, grab samples may be taken; one sample per delivery day plus one additional sample every four hours of plant operation. | high | |
| #Q021 | operational | treatment | mandatory | Chlorine Residual Maintenance (Storage Plants) | drinking water | Plants with treated water storage should test using on-line continuous monitoring and must maintain a free chlorine residual of at least 0.2 mg/L after 20 minutes. | Applicable to plants with treated water storage. | high |
| #Q022 | operational | treatment | mandatory | Chlorine Residual Maintenance (Truck-Fill Plants) | drinking water | Plants without water storage (Truck-Fill) must test a minimum of three times per delivery day and must have a free chlorine residual of at least 0.4 mg/L after 20 minutes. | Applicable to plants without water storage (Truck-Fill). | high |
| #Q023 | operational | health | recommended | Public Boil Water Advisory Instruction | drinking water | all water used for drinking should be boiled for 1 minute. This includes all water used for making infant formula, juices, washing and rinsing vegetables, brushing your teeth and washing your hands. | Applicable during a Boil Water Advisory | high |
| #Q024 | monitoring | health | mandatory | Population-Based Bacteriological Sampling Frequency | drinking water | Minimum four samples per month and one additional sample per month for every 1,000 in population over 4,000. | Applicable to treated water bacteriological sampling | high |
| #Q025 | administrative | operational | mandatory | Restricted Operator Certificate Limitation | drinking water | A restricted certificate will be non transferrable, limiting the operators certification to their own facility. | Applicable when a restricted certification is issued | high |
| #Q026 | administrative | reporting | mandatory | Mandatory Regulatory Inspection Schedule | drinking water | EHOs do public health inspections once every six (6) months, and INAC Officers do annual water licence inspections. | high |
| Req ID | Category | Intent | Legal Status | Name | Subdomain(s) | Limit Type | Limit Value | Context | Conditions | Confidence |
|---|---|---|---|---|---|---|---|---|---|---|
| #P001 | chemical | treatment | mandatory | free chlorine residual | drinking water | requirement | >= 0.2 mg/L | Plants with treated water storage should test using on-line continuous monitoring and must maintain a free chlorine residual of at least 0.2 mg/L after 20 minutes. | Plants with treated water storage; after 20 minutes | high |
| #P002 | chemical | treatment | mandatory | free chlorine residual | drinking water | requirement | >= 0.4 mg/L | Plants without water storage (Truck-Fill) must test a minimum of three times per delivery day and must have a free chlorine residual of at least 0.4 mg/L after 20 minutes. | Plants without water storage (Truck-Fill); after 20 minutes | high |
| #P003 | operational | health | recommended | boil water duration | drinking water | requirement | >= 1 minute | An advisory to the public that all water used for drinking should be boiled for 1 minute. This includes all water used for making infant formula, juices, washing and rinsing vegetables, brushing your teeth and washing your hands. | When a boil water advisory is in effect | high |
| #P004 | operational | operational | mandatory | operator certification written exam passing score | drinking water | requirement | >= 70 % | Acheiving certification involves both a written exam; on which an operator must receive a 70% in order to pass, and work experience. | For operator certification | high |
| #P005 | microbiological | reporting | mandatory | Treated Water Bacteria Sampling Frequency | drinking water | requirement | 52 samples/year | TREATED WATER BACTERIA TESTS (52 required) | Standard requirement for community water systems | high |
| #P006 | chemical | reporting | mandatory | Treated Water Chemical Sampling Frequency | drinking water | requirement | 1 sample/year | TREATED WATER CHEMICAL TESTS (1 required) | Standard requirement for community water systems | high |
| #P007 | operational | health | mandatory | Public Health Inspection Frequency | drinking water | requirement | 1 every 6 months | EHOs do public health inspections once every six (6) months | Routine regulatory inspections | high |
| #P008 | operational | reporting | mandatory | Water Licence Inspection Frequency | drinking water, wastewater | requirement | 1 year | INAC Officers do annual water licence inspections. | Routine regulatory inspections by INAC | high |
| #P009 | operational | treatment | mandatory | HSS Turbidity and Chlorine Testing Frequency | drinking water | requirement | >= 3 times/day | HSS testing requirements for treated water include turbidity and chlorine testing at least three times per day | Treated water monitoring | high |
| #P010 | microbiological | health | mandatory | HSS Bacteria Testing Frequency | drinking water | requirement | >= 1 time/week | bacteria testing at least once per week | Treated water monitoring | high |
| #P011 | chemical | health | mandatory | HSS THM Testing Frequency | drinking water | requirement | 4 times/year | trihalomethane (THM) testing four times per year | Treated water monitoring | high |
| #P012 | microbiological | health | mandatory | Base Bacteria Sampling Frequency | drinking water | requirement | >= 4 samples/month | Minimum four samples per month and one additional sample per month for every 1,000 in population over 4,000. | Bacteriological sampling for treated water | high |
| #P013 | physical | operational | mandatory | Raw Water Turbidity Testing Frequency | drinking water | requirement | 1 test/day | HSS requires daily testing for turbidity and as required other site specifc parameters | Raw water monitoring | high |
| #P014 | microbiological | health | mandatory | Raw Water Bacteriological Testing Frequency | drinking water | requirement | 1 test/month | HSS requires ... monthly bacteriological testing | Raw water monitoring | high |
| #P015 | chemical | health | mandatory | Raw Water Chemical Testing Frequency | drinking water | requirement | 1 test/year | HSS requires ... annual chemical testing of the raw water. | Raw water monitoring | high |
| #P016 | operational | operational | guidance | Circuit Rider Visit Frequency Goal | drinking water | treatment_goal | 3 visits/year | A goal of three (3) scheduled visits to each community has been set. | Circuit Rider program assistance | high |
| #P017 | microbiological | health | mandatory | Population-Adjusted Bacteriological Sampling Increment | drinking water | requirement | 1 sample/month/1000 population | one additional sample per month for every 1,000 in population over 4,000. | When population exceeds 4,000 | high |
| #P018 | physical | treatment | mandatory | Turbidity Grab Sampling Operating Interval | drinking water | requirement | 4 hours | Where on-line monitoring is not practical, grab samples may be taken; one sample per delivery day plus one additional sample every four hours of plant operation. | When on-line turbidity monitoring is not practical | high |
| #P019 | chemical | treatment | mandatory | Minimum Chlorine Contact Time | drinking water | requirement | 20 minutes | must maintain a free chlorine residual of at least 0.2 mg/L after 20 minutes. | Disinfection requirements for plants with and without storage | high |
| #P020 | operational | operational | guidance | System Infrastructure Review Frequency | drinking water | requirement | 1 every 3 years | The reviews identify changes that are needed and suggest ways to upgrade or better maintain the community's water supply system. Reviews are completed about once every three (3) years. | Typically not performed if a water treatment plant is receiving an upgrade or if a water treatment plant has been recently commissioned. | high |
| #P021 | chemical | reporting | mandatory | Annual Chemical Testing Parameter Count | drinking water | requirement | 28 parameters | One sample per year is required for each of the 28 parameters listed below. | Treated water annual chemical testing | high |
| #P022 | operational | treatment | mandatory | Truck-Fill Chlorine Testing Frequency | drinking water | requirement | >= 3 times per delivery day | Plants without water storage (Truck-Fill) must test a minimum of three times per delivery day | Plants without water storage (Truck-Fill) | high |
| #P023 | microbiological | reporting | mandatory | Minimum Bacteriological Samples from Water Trucks | drinking water | requirement | >= 1 sample per water truck in use that month | At least one sample must be taken from each water truck in use that month, with the remaining samples taken from different public buildings. | Trucked Water Distribution | high |
| #P024 | microbiological | reporting | mandatory | Minimum Bacteriological Samples Post-Treatment (Piped) | drinking water | requirement | >= 1 sample | At least one sample taken immediately after treatment with the remaining samples taken from different locations in the distribution system. | Piped Water Distribution | high |
| #P025 | physical | treatment | mandatory | Base Turbidity Grab Sampling Frequency | drinking water | requirement | >= 1 sample per delivery day | Where on-line monitoring is not practical, grab samples may be taken; one sample per delivery day plus one additional sample every four hours of plant operation. | Where on-line monitoring is not practical | high |
| Req ID | Category | Name | Context | Confidence |
|---|---|---|---|---|
| #D001 | WTPs | water treatment plants | high | |
| #D002 | GNWT | Government of the Northwest Territories | high | |
| #D003 | GCDWQ | Guidelines for Canadian Drinking Water Quality | high | |
| #D004 | HSS | Health and Social Services | high | |
| #D005 | MACA | Municipal and Community Affairs | high | |
| #D006 | PWS | Public Works and Services | high | |
| #D007 | ENR | Environment and Natural Resources | high | |
| #D008 | EHO | Environmental Health Officer | high | |
| #D009 | watershed | an area that drains all precipitation (rain or melted snow that runs off the land) or flows into the ground and then into a particular connected set of rivers and lakes. | high | |
| #D010 | Raw water | Raw water is usually from wells or surface sources, which has had no previous treatment and is entering a water processing system or device. | high | |
| #D011 | INAC | Indian and Northern Affairs Canada | high | |
| #D012 | CPHO | Chief Public Health Officer | high | |
| #D013 | Turbidity | Turbidity describes the cloudiness that results from small particles in the water. | high | |
| #D014 | CPI | Community Public Infrastructure | high | |
| #D015 | UV | Ultraviolet | high | |
| #D016 | Waterborne Illness | A disease, caused by a bacterium or organism able to live in water, which can be transmitted by water. | high | |
| #D017 | Pathogenic Organisms | Organisms, including bacteria, viruses, or cysts, capable of causing diseases (typhoid, cholera, dysentery) in a host (such as a person). | high | |
| #D018 | nonpathogenic | organisms which do NOT cause disease | medium | |
| #D019 | Boil Water Advisory | An advisory to the public that all water used for drinking should be boiled for 1 minute. This includes all water used for making infant formula, juices, washing and rinsing vegetables, brushing your teeth and washing your hands. | high | |
| #D020 | THM | trihalomethane | high | |
| #D021 | Trihalomethanes | THMs are a group of disinfection by-products that can form when the chlorine used to disinfect drinking water reacts with organic matter (e.g., decaying leaves and vegetation) in the water. | high | |
| #D022 | NWT | Northwest Territories | high | |
| #D023 | design build | you contract one company to complete both these tasks [developing a building design and then contracting a company to construct the building to the design specifications]. | high | |
| #D024 | Bundling Projects | contracting several projects at once can achieve efficiencies in project implementation and project costs. | high | |
| #D025 | Restricted certification | may be issued on a case by case basis by the Certification Committee to an operator who was able to meet some, but not all of the certification components. A restricted certificate will be non transferrable, limiting the operators certification to their own facility. | high | |
| #D026 | Circuit Rider | Typically assesses the water treatment operations, identifies training needs, and works with local operators to create an improvement plan. | high | |
| #D027 | raw water reservoirs | used in the NWT either to store water when the quality is best or when there is no year round access to a water source. | high |