Table 2.
Rating description of ¶CCME WQI Scores.
| Category | WQI Value | Description |
|---|---|---|
| Excellent | WQI≥95 | All measurements are within the guidelines all the time |
| Good | 80 ≤ WQI<95 | Conditions rarely depart from natural or desirable levels |
| Fair | 65 ≤ WQI<80 | Conditions sometimes depart from natural or desirable levels |
| Marginal | 45 ≤ WQI<65 | Conditions often depart from natural or desirable levels |
| Poor | WQI<45 | Conditions usually depart form natural or desirable levels |
Canadian Council of Ministers of the Environment (CCME); Water Quality Index (WQI).