| Characteristics of the affected area | Consequence Category |
| Population density | | Extent of destroyed or severely damaged infrastructures and services | |
| Uninhabited area | OR | Area containing minimal infrastructures or services such as | Very Low |
| - another dam in the Very Low Consequence category |
| - a resources access road |
| - farmland |
| - a commercial facility without accommodations |
| Occasionally inhabited area containing less than 10 cottages or seasonal residences | OR | Area containing limited infrastructures or services such as | Low |
| OR | - another dam in the Low Consequence category |
| Area containing a commercial facility that provides accommodation for less than 25 persons or that has less than 10 accommodation units (i.e., 10 cottages, 10 campsites, 10 motel rooms) | - a local road |
| Permanently inhabited area containing less than 10 residences or occasionally inhabited and containing 10 or more cottages or seasonal residences | OR | Area containing moderate infrastructures or services such as | Moderate |
| OR | - another dam in the Moderate Consequence category |
| Area containing a seasonal commercial facility that provides accommodation for 25 or more persons or that contains 10 or more accommodation units or that operates year-round and provides accommodation for less than 25 persons or has less than 10 accommodation units | - a feeder road |
| - a railway line (local or regional) |
| - an enterprise with less than 50 employees |
| - a main water intake upstream or downstream of the dam that supplies a municipality |
| Permanently inhabited area containing 10 or more residences and less than 1,000 residents | OR | Area containing significant infrastructures or services such as | High |
| OR | - another dam in the High Consequence category |
| Area containing a commercial facility that operates year-round and provides accommodation for 25 or more persons or has 10 or more accommodation units | - a regional road |
| - a railway line (transcontinental or transborder) |
| - a school |
| - an enterprise that has 50 to 499 employees |
| Permanently inhabited area with a population of more than 1,000 and less than 10,000 | OR | Area containing major infrastructures or services such as | Very High |
| - another dam in the Very High Consequence category |
| - an autoroute or national highway |
| - an enterprise that has 500 or more employees |
| - an industrial park |
| - a dangerous substances storage site |
| Permanently inhabited area with a population of 10,000 or more | OR | Area containing substantial infrastructures or services such as | Severe |
| - another dam in the Severe Consequence category |
| - a hospital |
| - a major industrial complex |
| - a large dangerous substances storage site |