Photo: P199 · CC BY-SA 3.0A flood study covers Osgoode - Vernon: 5 on the national inventory, the newest from South Nation Conservation
Fire has left almost no mark near Osgoode - Vernon: 0% of the land within 25 km since 1986, 0.000% a year. Shaking is a bigger worry than in most places, at $0.15 a year per $1,000 of building value ($0.030 typical). Radon around Osgoode - Vernon is ordinary for Canada: 6.2% of tested homes over the guideline (6.6% typical). Hazard risk gives Osgoode - Vernon a grade of C+, from earthquakes and radon alone.
What stands out about Osgoode - Vernon’s hazards
For Osgoode - Vernon, from NRCan’s seismic model, Health Canada’s radon survey, the national burned-area record and the flood map inventory.
What Osgoode - Vernon faces
Each hazard against its own yardstick; meters run from low to high on that yardstick.
Wildfire
Earthquakes
Radon
Flood study
Hazard risk in Osgoode - Vernon: C+
Risk averages earthquakes and radon; wildfire joins only where it pulls the average down, so a town like Osgoode - Vernon with little fire nearby would get no credit for it.
Its place: #703 of 866 in Ontario and #1,894 of 2,589 Canadian towns.
How sure: The seismic figure is a long-run average from NRCan’s model, not a prediction. The radon share rests on 64 home tests in the survey area, so a few homes move it. The burned-area record misses fires under about 10 ha and most grass and farm fires.
Little of the land around Osgoode - Vernon has burned: 0% within 5 km, 0% within 25 km since 1986
Fires mapped since 1986 around where Osgoode - Vernon’s residents live, and the fuel next to their homes.
The land within 25 km of Osgoode - Vernon burns at 0.000% a year on average, the low band; the typical Canadian town: 0.000%.
Homes in Osgoode - Vernon sit on open or built-up ground (4.7% forest fuel within 5 km); the wider 25 km holds 7%.
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 Ontario · highest of 871
Of the 871 towns in Ontario, 638 have a burn rate that rounds to zero, Osgoode - Vernon among them; Sioux Lookout leads at 0.16% a year.
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.
92% of Canada’s 2,610 towns are in the low band and 7.5% above it; Osgoode - Vernon is among the many where the yearly burn rate 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.
Osgoode - Vernon is on the flood map inventory: 5 studies, latest by South Nation Conservation
Flood studies whose area touches Osgoode - Vernon, from NRCan’s inventory, each linked to its owner.
5 studies on the inventory touch Osgoode - Vernon, the newest South Nation Conservation’s from 2019, and their areas can be large, so they say maps exist, not that the town floods.
| Study | By | Year | Status |
|---|---|---|---|
| Buckles Creek Flood Risk Mapping | South Nation Conservation | 2019 | final · not public |
| Rideau River, Kars to Burrits Rapids | Rideau Valley Conservation Authority | 2017 | final |
| Rideau River, Hogs Back to Kars | Rideau Valley Conservation Authority | 2017 | final |
| Kemptville Creek | Rideau Valley Conservation Authority | 2009 | final |
| Steven Creek | Rideau Valley Conservation Authority | 1995 | final |
Towns with a flood study on file
Its flood study puts Osgoode - Vernon with 69% of towns in Ontario; Canada’s share is 58%.
NRCan Canada Flood Map Inventory: a study footprint touching the town’s boundary; towns of 2,500 people or more.
Mapping around Osgoode - Vernon goes back to the 1990s and peaks in the 2010s, with 3 of its 5 studies.
Study dates as the NRCan inventory lists them, one count per study touching Osgoode - Vernon.
Listed, not scored: a flood study proves a map exists, not that Osgoode - Vernon floods.
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.
High seismic risk in Osgoode - Vernon: $0.15 per $1,000 of buildings a year
NRCan’s seismic risk model: the damage shaking is expected to do to buildings each year, on average over many years.
The typical town loses $0.030 a year to shaking; Osgoode - Vernon loses $0.15, 5 times as much.
Shaking damage a year per $1,000 of building value
Earthquake risk in Ontario peaks in Alexandria ($0.21); Osgoode - Vernon, at $0.15, sits above the median of $0.043.
NRCan seismic risk model (2022): mean yearly building loss per $1,000 of value; medians of towns of 2,500 people or more.
Osgoode - Vernon sits above most of Canada’s 2,611 towns on earthquake risk; 15% 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 Osgoode - Vernon 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). · Data for earthquake risk covers the city of Ottawa
Some radon around Osgoode - Vernon: 6.2% of area homes over the guideline
Health Canada’s survey of long-term home tests: the share above the 200 Bq/m³ guideline.
Osgoode - Vernon’s area, at 6.2%, is close to the 6.6% of the typical Canadian town.
Tested homes over 200 Bq/m³
Over 600 Bq/m³
More homes top the guideline around Osgoode - Vernon (6.2%) than in the typical town in Ontario (4%).
Health Canada radon survey (2009–2011), by 2007 health region; medians of towns of 2,500 people or more.
Osgoode - Vernon is in the 5–10% band with 37% of Canada’s 2,611 towns; 26% have more.
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.
Radon varies from house to house in Osgoode - Vernon, so the survey is a reason to test, not a result for yours.
Health Canada, Cross-Canada Survey of Radon Concentrations in Homes (2009–2011). · Radon tests: one figure for all of the City of Ottawa Health Unit
Where to get warnings in Osgoode - Vernon
Alerts for Osgoode - Vernon 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. |
Fire danger and active fires near Osgoode - Vernon are mapped daily by the Canadian Wildland Fire Information System; evacuation orders come from the municipality or province.
Weather alerts (ECCC) · Alert Ready · Fire danger and active fires (CWFIS)
How Osgoode - Vernon’s neighbours compare on hazards
The same four hazards for the places next door.
| Town | Wildfire | Quake $/1,000 | Radon | Flood study |
|---|---|---|---|---|
| Osgoode - Vernon | Low | $0.15 | 6.2% | Yes |
| North Gower - Kars 5,439 · 8.6 km | Low | $0.15 | 6.2% | Yes |
| Manotick 8,770 · 11 km | Low | $0.15 | 6.2% | Yes |
| Greely 10,359 · 12 km | Low | $0.15 | 6.2% | Yes |
| Metcalfe 5,434 · 14 km | Low | $0.15 | 6.2% | Yes |
| Riverside South - Leitrim 19,802 · 16 km | Low | $0.15 | 6.2% | Yes |
| Stonebridge - Half Moon Bay 28,714 · 17 km | Low | $0.15 | 6.2% | Yes |
Among its neighbours Osgoode - Vernon has the most fire on record (low); North Gower - Kars follows (low).
Radon is the survey area’s figure, so neighbours in one area share it.
Get ready for what Osgoode - Vernon faces
What to do about the hazards Osgoode - Vernon 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.
- Drop, cover and hold on.
- Strap the water heater down.
- Keep 72 hours of supplies.
- Has it had a radon test?
- Check the address on the flood map.
- Are flood and wildfire insured?
- Is earthquake cover included?
What this data can and can’t tell you
- Radon is a survey. The radon share comes from about 14,000 long-term home tests in 2009–2011, pooled for now by the 2007 health region Osgoode - Vernon sits in.
- Wildfire counts one way. Burned land within 25 km of where people live, averaged over 1986–2025 and checked for fuel near homes, is the measure; it looks back, not ahead, and only ever counts against Osgoode - Vernon.
- Flood studies aren’t flood zones. A study’s area can be a whole watershed or province, so being on the inventory says a map exists, not that a home in Osgoode - Vernon floods.
- Earthquakes are modelled. The earthquake figure is an expected loss, not a forecast, worked out by NRCan for each census subdivision, Osgoode - Vernon’s included.
Questions about flooding and hazards in Osgoode - Vernon
How is Osgoode - Vernon’s Hazard risk Grade worked out?
Osgoode - Vernon’s Hazard risk grade is C+, built on earthquakes and radon with a one-sided wildfire input.
Is Osgoode - Vernon at risk of wildfire?
The burned-area record shows next to nothing around Osgoode - Vernon (0% within 25 km since 1986), so its band is low.
Does Osgoode - Vernon flood?
Osgoode - Vernon’s area has been studied for flooding, and the owner’s map shows which streets lie in a zone; the grade leaves flood out.
How big is the earthquake risk in Osgoode - Vernon?
Expected earthquake damage in Osgoode - Vernon comes to $0.15 a year for each $1,000 that buildings are worth.
Is radon a problem in Osgoode - Vernon?
Around Osgoode - Vernon, 64 survey homes were tested and 6.2% came in over 200 Bq/m³, a guide to the area, not to any one home.
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).