Photo: Gabriel Picard · CC BY-SA 4.0A flood study covers Lac-Beauport: 1 on the national inventory, the newest from Gouvernement du Québec
Burn scars are few around Lac-Beauport, with 0% of the land within 25 km touched by fire since 1986 (0.001% a year). Earthquakes add more: NRCan’s model puts building losses at $0.093 a year per $1,000 of value, against $0.030 for the typical town. Radon is about average around Lac-Beauport: 8.8% of tested homes in the survey area topped the guideline, against 6.6% for the typical town. Hazard risk gives Lac-Beauport a grade of C, from earthquakes and radon alone.
What stands out about Lac-Beauport’s hazards
For Lac-Beauport, from NRCan’s seismic model, Health Canada’s radon survey, the national burned-area record and the flood map inventory.
What Lac-Beauport faces
Each hazard against its own yardstick; meters run from low to high on that yardstick.
Wildfire
Earthquakes
Radon
Flood study
Hazard risk in Lac-Beauport: C
Earthquake risk and radon make Lac-Beauport’s grade; wildfire can only lower it, never raise it, and flood studies are listed but not scored.
Its place: #142 of 507 in Quebec and #2,086 of 2,589 Canadian towns.
How sure: The seismic figure is a long-run average from NRCan’s model, not a prediction. The burned-area record misses fires under about 10 ha and most grass and farm fires.
Few fires near Lac-Beauport: 0% within 5 km, 0% within 25 km
Past fire around Lac-Beauport’s homes, from the national burned-area record, with the fuel within 5 km.
With 0.001% burned a year, Lac-Beauport is among the many low-band places (the typical Canadian town 0.000%).
Within 5 km of Lac-Beauport, 30% of the land is forest fuel; widen the ring to 25 km and it is 37%.
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 Quebec · highest of 513
Lac-Beauport sits mid-table in Quebec: 136th of 513 towns, at 0.001% a year, well behind Mistissini (0.31%).
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.
The low band takes in 92% of Canada’s 2,610 towns, Lac-Beauport among them, though its rate is above zero; 7.5% rank higher.
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.
Gouvernement du Québec has mapped flooding for Lac-Beauport (1 study)
What Canada’s Flood Map Inventory lists for Lac-Beauport: who studied flooding and where to see their maps.
A 2005 study by Gouvernement du Québec covers Lac-Beauport, and its map, not the inventory, shows the zones.
| Study | By | Year | Status |
|---|---|---|---|
| Lac-Beauport | Gouvernement du Québec | 2005 | final |
Towns with a flood study on file
Flood maps are thinner in Quebec, 45% of towns against 58% nationally, but Lac-Beauport has one.
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 Lac-Beauport’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.
Earthquakes cost buildings in Lac-Beauport $0.093 per $1,000 a year
Expected yearly building losses from earthquakes, from Natural Resources Canada’s model.
Lac-Beauport’s $0.093 is about 3.1 times the typical town’s $0.030: it sits in one of Canada’s more active seismic zones.
Shaking damage a year per $1,000 of building value
At $0.093, Lac-Beauport is below the typical town in Quebec ($0.14); La Pocatière is highest at $0.48.
NRCan seismic risk model (2022): mean yearly building loss per $1,000 of value; medians of towns of 2,500 people or more.
Lac-Beauport sits above most of Canada’s 2,611 towns on earthquake risk; 26% are higher.
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).
For Lac-Beauport the model prices shaking damage to buildings, nothing more.
Natural Resources Canada, Canada’s Seismic Risk Model (2022), by census subdivision (2016 boundaries; a few 2021 subdivisions take their residents’ mean).
8.8% of homes tested around Lac-Beauport are over the radon guideline
Long-term radon tests in homes across the survey area, against Health Canada’s guideline.
8.8% of tested homes around Lac-Beauport were over the guideline, much like the typical Canadian town at 6.6%.
Tested homes over 200 Bq/m³
Over 600 Bq/m³
Ordinary for towns in Quebec at 8.8% over 200 Bq/m³ (8.2% is the median), the area around Lac-Beauport had 2.5% over 600.
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 Lac-Beauport’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.
Whatever Lac-Beauport’s area share, the reading that matters is your own home’s, over a winter.
Health Canada, Cross-Canada Survey of Radon Concentrations in Homes (2009–2011). · Radon tests published for the Capitale-Nationale health region, not by town
Where to get warnings in Lac-Beauport
Environment and Climate Change Canada issues the weather alerts for Lac-Beauport; 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 Lac-Beauport, 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 Lac-Beauport’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 |
|---|---|---|---|---|
| Lac-Beauport | Low | $0.093 | 8.8% | Yes |
| Notre-Dame-des-Laurentides 16,222 · 4.2 km | Low | $0.14 | 8.8% | Yes |
| Orsainville 14,751 · 7.2 km | Low | $0.14 | 8.8% | None listed |
| Sainte-Thérèse-de-Lisieux 17,558 · 7.7 km | Low | $0.14 | 8.8% | Yes |
| Lac-Saint-Charles 9,985 · 7.9 km | Low | $0.14 | 8.8% | Yes |
| Bourg-Royal 14,430 · 7.9 km | Low | $0.14 | 8.8% | None listed |
| Saint-Émile 16,893 · 8.3 km | Low | $0.14 | 8.8% | Yes |
Fire is no heavier anywhere nearby than around Lac-Beauport (low), with Notre-Dame-des-Laurentides next at low.
Radon is the survey area’s figure, so neighbours in one area share it.
Get ready for what Lac-Beauport faces
Practical steps for Lac-Beauport’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
- Wildfire counts one way. For Lac-Beauport, wildfire means how much nearby land burned in the past forty years, a one-way input that can pull Risk down and nothing more.
- Earthquakes are modelled. Seismic risk is NRCan’s model of yearly building losses from shaking, averaged over many years and given for Lac-Beauport’s census subdivision (a neighbourhood shows its city’s).
- Radon is a survey. Radon figures pool the survey’s home tests by area: postal areas once their boundaries arrive, the 2007 health region around Lac-Beauport until then.
- Flood studies aren’t flood zones. Flood studies cover areas of every size, which is why the page lists them for Lac-Beauport without grading them.
Questions about flooding and hazards in Lac-Beauport
How big is the earthquake risk in Lac-Beauport?
NRCan’s model expects shaking to cost buildings in Lac-Beauport $0.093 a year for every $1,000 of their value, on average over many years.
Is Lac-Beauport at risk of wildfire?
Not much by Canadian standards: Lac-Beauport’s band is low, with 0% of the land within 25 km burned since 1986 (last in 2022), so wildfire doesn’t change its grade.
Does Lac-Beauport flood?
A flood study covers Lac-Beauport on Canada’s Flood Map Inventory; open the owner’s map to check a street, since flood isn’t graded.
Is radon a problem in Lac-Beauport?
8.8% of the 160 homes Health Canada tested around Lac-Beauport topped the guideline; your own house needs its own test.
How is Lac-Beauport’s Hazard risk Grade worked out?
Lac-Beauport’s Hazard risk grade is C, built on earthquakes and radon with a one-sided wildfire input.
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).