Photo: Jasonbook99 · CC BY-SA 4.043% of homes tested in Ste. Rose’s area are above the radon guideline
Little of the land around Ste. Rose has burned: 0.4% within 25 km since 1986, or 0.01% a year. Earthquakes matter little: NRCan’s model puts building losses at $0.006 a year per $1,000 of value, against $0.030 for the typical town. Hazard risk gives Ste. Rose a grade of C+; its wildfire band pulls it down.
What stands out about Ste. Rose’s hazards
For Ste. Rose, from NRCan’s seismic model, Health Canada’s radon survey, the national burned-area record and the flood map inventory.
What Ste. Rose faces
Each hazard against its own yardstick; meters run from low to high on that yardstick.
Wildfire
Earthquakes
Radon
Flood study
Ste. Rose grades C+ for hazard risk
Risk averages earthquakes and radon; wildfire joins only where it pulls the average down, so a town like Ste. Rose with little fire nearby would get no credit for it.
How sure: Earthquake losses are a model’s expectation over many years, not a forecast for any one. The burned-area record misses fires under about 10 ha and most grass and farm fires.
Little of the land around Ste. Rose has burned: 0% within 5 km, 0.4% within 25 km since 1986
Fires mapped since 1986 around where Ste. Rose’s residents live, and the fuel next to their homes.
A burn rate of 0.01% a year keeps Ste. Rose in the low band (the typical Canadian town: 0.000%).
Ste. Rose’s homes have had no fire within 5 km since 1986; the closest was 16 km away.
Only 3.9% of the land within 25 km of Ste. Rose is forest fuel, and 0% close in.
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 Manitoba · highest of 190
In the top quarter in Manitoba: Ste. Rose ranks 25th of 190 at 0.01% a year, with Flin Flon (Part) first at 1.68%.
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, Ste. Rose 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.
No flood study is listed for Ste. Rose
Flood studies whose area touches Ste. Rose, from NRCan’s inventory, each linked to its owner.
No flood study on the national inventory covers Ste. Rose; ask the municipality, which is the authority for its flood maps.
Towns with a flood study on file
Ste. Rose has no flood study on file; only 18% of towns in Manitoba do, against 58% across Canada.
NRCan Canada Flood Map Inventory: a study footprint touching the town’s boundary; towns of 2,500 people or more.
Flood studies don’t enter the grade; they are listed so you can open the official map for Ste. Rose.
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.”
Earthquakes cost buildings in Ste. Rose just $0.006 per $1,000 a year
NRCan’s seismic risk model: the damage shaking is expected to do to buildings each year, on average over many years.
0.2 times the typical $0.030: Ste. Rose’s $0.006 is low for Canada.
Shaking damage a year per $1,000 of building value
About level with the typical town in Manitoba: Ste. Rose’s $0.006 against $0.006; Virden reaches $0.007.
NRCan seismic risk model (2022): mean yearly building loss per $1,000 of value; medians of towns of 2,500 people or more.
Toward the quiet end of Canada’s range: 88% of its 2,611 towns sit above Ste. Rose.
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).
What a quake does after the shaking, fire, landslides, tsunami, falls outside NRCan’s figure for Ste. Rose.
Natural Resources Canada, Canada’s Seismic Risk Model (2022), by census subdivision (2016 boundaries; a few 2021 subdivisions take their residents’ mean).
43% of homes tested around Ste. Rose are over the radon guideline
Health Canada’s survey of long-term home tests: the share above the 200 Bq/m³ guideline. · Source area for radon tests: the Parkland health region
the typical Canadian town has 6.6% over the guideline; Ste. Rose’s area has 43%.
Tested homes over 200 Bq/m³
Over 600 Bq/m³
More homes top the guideline around Ste. Rose (43%) than in the typical town in Manitoba (12%); 12% went over 600.
Health Canada radon survey (2009–2011), by 2007 health region; medians of towns of 2,500 people or more.
No band is higher: Ste. Rose is among the 1.5% of Canada’s towns with 30% or more of tests over 200 Bq/m³.
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.
A low area share in Ste. Rose doesn’t clear a house, nor does a high one condemn it: test.
Health Canada, Cross-Canada Survey of Radon Concentrations in Homes (2009–2011).
Where to get warnings in Ste. Rose
Alerts for Ste. Rose come from Environment and Climate Change Canada and, for emergencies, Alert Ready.
| 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. |
Evacuation orders for Ste. Rose come from the municipality or the province, while CWFIS maps fire danger every day.
Weather alerts (ECCC) · Alert Ready · Fire danger and active fires (CWFIS)
Hazards in the places around Ste. Rose
The same four hazards for the places next door.
| Town | Wildfire | Quake $/1,000 | Radon | Flood study |
|---|---|---|---|---|
| Ste. Rose | Low | $0.006 | 43% | None listed |
| Lakeshore 1,344 · 15 km | Low | $0.005 | 43% | None listed |
Lakeshore burns a little more than Ste. Rose, in the same low band (low here).
Radon is the survey area’s figure, so neighbours in one area share it.
Get ready for what Ste. Rose faces
What to do about the hazards Ste. Rose faces, and what to ask before you buy.
- 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?
- Ask the municipality for flood maps.
- Are flood and wildfire insured?
What this data can and can’t tell you
- Earthquakes are modelled. Seismic risk is NRCan’s model of yearly building losses from shaking, averaged over many years and given for Ste. Rose’s census subdivision (a neighbourhood shows its city’s).
- 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 Ste. Rose.
- Radon is a survey. About 14,000 homes were tested across Canada in 2009–2011, and the share over the guideline for Ste. Rose is its health region’s, the survey’s design unit.
- Wildfire counts one way. For Ste. Rose, wildfire means how much nearby land burned in the past forty years, a one-way input that can pull Risk down and nothing more.
Questions about flooding and hazards in Ste. Rose
How is Ste. Rose’s Hazard risk Grade worked out?
Ste. Rose’s Hazard risk grade is C+, built on earthquakes and radon with a one-sided wildfire input.
How big is the earthquake risk in Ste. Rose?
About $0.006 a year per $1,000 of building value, NRCan’s long-run expectation for Ste. Rose.
Is radon a problem in Ste. Rose?
Around Ste. Rose, 122 survey homes were tested and 43% came in over 200 Bq/m³, a guide to the area, not to any one home.
Does Ste. Rose flood?
With 0 studies on the inventory, Ste. Rose’s flood risk is unmapped nationally; check with the municipality before buying.
Is Ste. Rose at risk of wildfire?
Fire has reached 0.4% of the land around Ste. Rose since 1986 (last in 2022); at low, it neither helps nor hurts 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).