A flood study covers Lower Mount Royal: 1 on the national inventory, the newest from Government of Alberta
The national fire record shows next to nothing around Lower Mount Royal, 0% of the land within 25 km since 1986 (0.000% a year). Seismic risk in Lower Mount Royal sits near the middle: $0.023 of expected damage per $1,000 of buildings a year, the typical town $0.030. Lower Mount Royal’s survey area, 8.1% over the radon guideline, is close to the typical town’s 6.6%. Lower Mount Royal grades B+ for hazard risk; wildfire is low here, so it earns no credit.
What stands out about Lower Mount Royal’s hazards
Four national sources, each read for Lower Mount Royal: earthquakes, radon, past fires and flood studies.
What Lower Mount Royal faces
Each hazard against its own yardstick; meters run from low to high on that yardstick.
Wildfire
Earthquakes
Radon
Flood study
Hazard risk in Lower Mount Royal: B+
For Lower Mount Royal, Risk will be the average of earthquakes and radon, with wildfire added only if it makes the average worse.
Its place: #282 of 474 in Alberta and #1,102 of 2,589 Canadian towns.
How sure: Earthquake losses are a model’s expectation over many years, not a forecast for any one. Small fires and grass fires are largely missing from the national burned-area record.
Wildfire is rare near Lower Mount Royal: 0% of the land within 25 km burned since 1986, 0% within 5 km
Past fire around Lower Mount Royal’s homes, from the national burned-area record, with the fuel within 5 km.
The land within 25 km of Lower Mount Royal burns at 0.000% a year on average, the low band; the typical Canadian town: 0.000%.
No fire has burned within 5 km of Lower Mount Royal’s homes since 1986; the nearest burn is 11 km away.
Land that isn’t forest covers nearly all the ground around Lower Mount Royal: forest fuel is 0% within 5 km and 1.2% within 25 km.
Shares of land within 5 and 25 km of populated blocks: burned at least once in 1986–2025 (CWFIS burned-area composite), forest fuel and grass (fire behaviour fuel types, 2026, 250 m grid).
Burn rate a year, towns in Alberta · highest of 478
Little or nothing burns around Lower Mount Royal in a typical year; 386 of the 478 towns in Alberta share that, and Wainwright leads at 1.43%.
Each bar: the yearly average share of land within 25 km of a town’s homes that burned, 1986–2025 (CWFIS); the seven highest towns of 2,500 people or more.
Most of the country’s 2,610 towns are low-band (92%, against 7.5% above); around Lower Mount Royal, burning rounds to zero.
Bands of the yearly burn rate: low under 0.05%, moderate under 0.25%, high under 1%, very high 1% or more; towns of 2,500 people or more.
Fire danger and active fires (CWFIS)
Canadian Wildland Fire Information System: National Burned Area Composite 1986–2025 and fire behaviour fuel types (2026), Natural Resources Canada. Measured within 25 km and 5 km of each populated dissemination area; past fire, not a forecast.
Lower Mount Royal is on the flood map inventory: 1 study, by Government of Alberta
What Canada’s Flood Map Inventory lists for Lower Mount Royal: who studied flooding and where to see their maps.
One study on the inventory touches Lower Mount Royal, Government of Alberta’s from 2025, and its area can be large, so it says a map exists, not that the town floods.
| Study | By | Year | Status |
|---|---|---|---|
| Bow and Elbow River Flood Study | Government of Alberta | 2025 | final |
Towns with a flood study on file
Lower Mount Royal is one of the 46% of towns in Alberta with a flood study on file, fewer than Canada’s 58%.
NRCan Canada Flood Map Inventory: a study footprint touching the town’s boundary; towns of 2,500 people or more.
Flood is shown here, never graded: a study says where a map exists, not how many of Lower Mount Royal’s homes stand in a flood zone.
The inventory’s own caution (NRCan): “The Canada Flood Map (CFM) does not include every flood hazard map in Canada and may be incomplete or contain inaccuracies. It should not be relied upon as the official source of flood mapping information. Furthermore, if a map appears to be missing, this does not necessarily mean that the area has never been mapped. For the official version of a map, updated information, or confirmation of applicable regulations, please contact the local authority responsible for flood mapping.”
Natural Resources Canada, Canada Flood Map Inventory; links go to each study’s owner.
Expected shaking damage in Lower Mount Royal: $0.023 a year per $1,000
Expected yearly building losses from earthquakes, from Natural Resources Canada’s model.
0.8 times the typical $0.030: Lower Mount Royal’s $0.023 is ordinary.
For earthquake risk, the only official count covers all of the city of Calgary, Lower Mount Royal included.
Shaking damage a year per $1,000 of building value
Above the middle in Alberta: Lower Mount Royal’s $0.023 against a median of $0.013, with Black Diamond highest at $0.048.
NRCan seismic risk model (2022): mean yearly building loss per $1,000 of value; medians of towns of 2,500 people or more.
Middle of the pack: 54% of Canada’s 2,611 towns have more earthquake risk than Lower Mount Royal.
Each column: the share of Canada’s towns of 2,500 people or more in that range of yearly loss per $1,000 (NRCan, 2022).
Roads, pipes and bridges aren’t in Lower Mount Royal’s figure, nor landslides or tsunami: it is buildings and shaking.
Natural Resources Canada, Canada’s Seismic Risk Model (2022), by census subdivision (2016 boundaries; a few 2021 subdivisions take their residents’ mean).
8.1% of homes tested around Lower Mount Royal are over the radon guideline
Long-term radon tests in homes across the survey area, against Health Canada’s guideline.
Near the middle for radon: Lower Mount Royal’s area 8.1%, the typical Canadian town 6.6%.
Tested homes over 200 Bq/m³
Over 600 Bq/m³
Around Lower Mount Royal, 8.1% of tests topped the guideline, about the same as the typical town in Alberta (7.5%).
Health Canada radon survey (2009–2011), by 2007 health region; medians of towns of 2,500 people or more.
37% of Canada’s 2,611 towns share Lower Mount Royal’s band of 5 to 10%; 26% sit higher.
Each bar: the share of Canada’s towns of 2,500 people or more whose survey area had that share of tests over 200 Bq/m³.
The survey sampled homes around Lower Mount Royal; it can’t tell you your basement’s level.
Health Canada, Cross-Canada Survey of Radon Concentrations in Homes (2009–2011). · Area behind the radon tests figures: the Calgary Health Region
Weather and fire alerts for Lower Mount Royal
Environment and Climate Change Canada issues the weather alerts for Lower Mount Royal; Alert Ready carries the urgent ones to phones, radio and TV.
| Alert | What it means |
|---|---|
| Warning | Severe weather is happening or about to: act now. |
| Watch | Conditions favour severe weather: be ready. |
| Advisory | Weather that is less severe but could disrupt the day. |
| Special weather statement | Unusual weather worth knowing about. |
| Special air quality statement | Poor air, often wildfire smoke. |
For fires near Lower Mount Royal, the national fire information system maps danger and active fires daily; local authorities give any evacuation order.
Weather alerts (ECCC) · Alert Ready · Fire danger and active fires (CWFIS)
How Lower Mount Royal’s neighbours compare on hazards
Wildfire band, earthquake risk, radon and flood studies for each place nearby.
| Town | Wildfire | Quake $/1,000 | Radon | Flood study |
|---|---|---|---|---|
| Lower Mount Royal | Low | $0.023 | 8.1% | Yes |
| Upper Mount Royal 2,758 · 0.6 km | Low | $0.023 | 8.1% | Yes |
| Beltline 26,171 · 0.8 km | Low | $0.023 | 8.1% | Yes |
| Bankview 5,610 · 0.9 km | Low | $0.023 | 8.1% | Yes |
| Sunalta 4,151 · 1.2 km | Low | $0.023 | 8.1% | Yes |
| Downtown West End 2,796 · 1.2 km | Low | $0.023 | 8.1% | Yes |
| Mission 6,329 · 1.3 km | Low | $0.023 | 8.1% | Yes |
Lower Mount Royal’s low band tops its neighbours; Upper Mount Royal is next (low).
Radon is the survey area’s figure, so neighbours in one area share it.
Get ready for what Lower Mount Royal faces
Practical steps for Lower Mount Royal’s hazards, most pressing first.
- Test for three months in winter.
- Over 200 Bq/m³: fix it.
- Kits are cheap; pros test too.
- Never drive through floodwater.
- Move papers and medicines upstairs.
- Ask whether your street is mapped.
- Clear needles and wood nearby.
- Keep a grab-and-go bag ready.
- In smoke, stay in; filter air.
- Has it had a radon test?
- Check the address on the flood map.
- Are flood and wildfire insured?
What this data can and can’t tell you
- Flood studies aren’t flood zones. NRCan’s inventory says where flood mapping exists, not where water goes; the map’s owner is the authority for Lower Mount Royal.
- Earthquakes are modelled. Shaking damage is modelled from the ground, the buildings and the odds of each quake, and published for whole subdivisions such as Lower Mount Royal’s.
- Radon is a survey. About 14,000 homes were tested across Canada in 2009–2011, and the share over the guideline for Lower Mount Royal is its health region’s, the survey’s design unit.
- Wildfire counts one way. The wildfire figure is the share of land within 25 km of Lower Mount Royal’s homes burned each year from 1986 to 2025, past fire rather than a forecast, and it can only lower Risk.
Questions about flooding and hazards in Lower Mount Royal
Is radon a problem in Lower Mount Royal?
The area’s survey found 8.1% of 86 tested homes above Health Canada’s guideline, so a three-month test is worth doing in Lower Mount Royal.
Is Lower Mount Royal at risk of wildfire?
Some, but Lower Mount Royal’s low band (0% of nearby land burned since 1986, latest 2014) is short of the level that counts.
How big is the earthquake risk in Lower Mount Royal?
In NRCan’s seismic model, Lower Mount Royal’s buildings lose $0.023 per $1,000 of value in an average year.
Does Lower Mount Royal flood?
There is flood mapping for Lower Mount Royal on the national inventory, each study linked to its owner’s map, none of them graded.
How is Lower Mount Royal’s Hazard risk Grade worked out?
Lower Mount Royal grades B+ for hazard risk, from earthquakes and radon, with wildfire counted only where it lowers the grade.
Seismic risk: Natural Resources Canada. Radon: Health Canada. Wildfire: Canadian Wildland Fire Information System. Flood studies: Natural Resources Canada, Canada Flood Map Inventory. Contains information licensed under the Open Government Licence – Canada.
Sources: NRCan, Canada’s Seismic Risk Model 2022 · Health Canada, Cross-Canada Survey of Radon Concentrations in Homes · CWFIS, National Burned Area Composite and FBP fuel types · NRCan, Canada Flood Map Inventory. Under the Statistics Canada Open Licence.
Adapted from Statistics Canada (Census of Population 2021, population estimates 2025, 2021 census boundaries) under the Statistics Canada Open Licence; this does not constitute an endorsement by Statistics Canada. Neighbourhood names in some cities © OpenStreetMap contributors (ODbL).