| #D001 | | SWIM | Environment Canada’s Single Window Information Manager | high |
| #D002 | | WSER | Wastewater Systems Effluent Regulations | high |
| #D003 | | ERRIS | Effluent Regulatory Reporting Information System | high |
| #D004 | | EC | Environment Canada | high |
| #D005 | | A | acceptability (parameter type) | high |
| #D006 | | ALARA | as low as reasonably achievable | high |
| #D007 | | AO | aesthetic objective | high |
| #D008 | | CDW | Federal-Provincial-Territorial Committee on Drinking Water | high |
| #D009 | | D | disinfectant (parameter type) | high |
| #D010 | | DBP | disinfectant by-product (parameter type) | high |
| #D011 | | HPC | heterotrophic plate count | high |
| #D012 | | I | inorganic chemical (parameter type) | high |
| #D013 | | MAC | maximum acceptable concentration | high |
| #D014 | | NTU | nephelometric turbidity units | high |
| #D015 | | O | organic chemical (parameter type) | high |
| #D016 | | OG | operational guidance value | high |
| #D017 | | P | pesticide (parameter type) | high |
| #D018 | | QMRA | quantitative microbial risk assessment | high |
| #D019 | | T | treatment-related (parameter type) | high |
| #D020 | | TCU | true colour units | high |
| #D021 | | Guidelines | maximum acceptable concentrations or treatment goals | high |
| #D022 | | Aesthetic objectives | provided when they play a role in determining whether consumers will consider the water drinkable | high |
| #D023 | | Operational guidance values | provided when a substance may interfere with or impair a treatment process or technology (e.g., turbidity interfering with chlorination or UV disinfection) or adversely affect drinking water infrastructure (e.g., corrosion of pipes) | high |
| #D024 | | problem formulation | a high-level summary of the scientific data needed to determine a path forward for a specific parameter or issue | high |
| #D025 | | Objective | established taking into account available treatment technology and analytical methods in order to reduce exposure through drinking water | high |
| #D026 | | Bq/L | becquerel/litre | high |
| #D027 | | mSv/year | millisievert per year | high |
| #D028 | | Groundwater | the water that fills the spaces between layers of soil, sand and rock in the ground | high |
| #D029 | | aquifers | Areas that contain enough groundwater | high |