Devonshire is on Canada’s flood inventory: 1 listed, led by City of Windsor
Burn scars are few around Devonshire, with 0.1% of the land within 25 km touched by fire since 1986 (0.006% a year). Earthquake risk in Devonshire is ordinary: NRCan’s model puts building losses at $0.019 a year per $1,000 of value, close to the typical town’s $0.030. More homes than usual carry radon here, 14% over the guideline where the typical town has 6.6%. Hazard risk gives Devonshire a grade of C+; its wildfire band pulls it down.
What stands out about Devonshire’s hazards
For Devonshire, from NRCan’s seismic model, Health Canada’s radon survey, the national burned-area record and the flood map inventory.
What Devonshire faces
Each hazard against its own yardstick; meters run from low to high on that yardstick.
Wildfire
Earthquakes
Radon
Flood study
Hazard risk in Devonshire: C+
For Devonshire, Risk will be the average of earthquakes and radon, with wildfire added only if it makes the average worse.
Its place: #682 of 866 in Ontario and #1,870 of 2,589 Canadian towns.
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.
Few fires near Devonshire: 0% within 5 km, 0.1% within 25 km
Past fire around Devonshire’s homes, from the national burned-area record, with the fuel within 5 km.
Around Devonshire fire takes 0.006% of the land in a typical year, the typical Canadian town 0.000%, which is low.
The closest burn since 1986 lies 6.2 km from Devonshire’s homes, none within 5 km.
Land that isn’t forest covers nearly all the ground around Devonshire: forest fuel is 0% within 5 km and 0.3% 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 Ontario · highest of 871
Sioux Lookout burns fastest in Ontario at 0.16% a year; Devonshire, at 0.006%, ranks 39th of 871.
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.
Devonshire is in the low band with 92% of Canada’s 2,610 towns; 7.5% sit in moderate or 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.
A flood study covers Devonshire, from City of Windsor: 1 on the inventory
What Canada’s Flood Map Inventory lists for Devonshire: who studied flooding and where to see their maps.
City of Windsor studied flooding in an area that includes Devonshire (2020); open its map to see which streets lie in a flood zone.
| Study | By | Year | Status |
|---|---|---|---|
| Little River Watershed Floodplain Mapping | City of Windsor | 2020 | final · not public |
Towns with a flood study on file
Flood maps are common in Ontario: 69% of towns have one, against 58% nationally, and Devonshire is among them.
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 Devonshire.
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.
Ordinary seismic risk in Devonshire: $0.019 per $1,000 of buildings a year
Expected yearly building losses from earthquakes, from Natural Resources Canada’s model.
With $0.019 of shaking damage a year per $1,000, Devonshire is about even with the typical $0.030 (0.6 times).
Shaking damage a year per $1,000 of building value
Below the middle in Ontario: Devonshire’s $0.019 against a median of $0.043; Alexandria has $0.21.
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: 66% of its 2,611 towns sit above Devonshire.
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 Devonshire 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). · Area behind the earthquake risk figures: the city of Windsor
Radon runs high around Devonshire: 14% of tested homes over the guideline
Long-term radon tests in homes across the survey area, against Health Canada’s guideline. · Measured across the Windsor-Essex County Health Unit: radon tests
A higher share than most: 14% of tested homes around Devonshire, the typical Canadian town 6.6%.
Tested homes over 200 Bq/m³
Over 600 Bq/m³
Around Devonshire, 14% of tests were over 200 Bq/m³ and 1% over 600, against a median of 4% in Ontario.
Health Canada radon survey (2009–2011), by 2007 health region; medians of towns of 2,500 people or more.
One test in ten or more tops the guideline around Devonshire, as in 22% of Canada’s 2,611 towns; 4.6% go 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.
Health Canada advises testing every home, Devonshire’s included, whatever the area’s figure.
Health Canada, Cross-Canada Survey of Radon Concentrations in Homes (2009–2011).
Where to get warnings in Devonshire
Alerts for Devonshire 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 Devonshire 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)
Hazards in the places around Devonshire
Wildfire band, earthquake risk, radon and flood studies for each place nearby.
| Town | Wildfire | Quake $/1,000 | Radon | Flood study |
|---|---|---|---|---|
| Devonshire | Low | $0.019 | 14% | Yes |
| Remington Park 5,783 · 2.3 km | Low | $0.019 | 14% | None listed |
| Roseland 20,587 · 2.5 km | Low | $0.019 | 14% | Yes |
| South Windsor 15,896 · 3.1 km | Low | $0.019 | 14% | Yes |
| South Walkerville 6,129 · 3.3 km | Low | $0.019 | 14% | None listed |
| Fontainebleau 11,567 · 3.8 km | Low | $0.019 | 14% | Yes |
| South Cameron 11,804 · 5.0 km | Low | $0.019 | 14% | None listed |
The fire record around South Cameron is a touch heavier than Devonshire’s, but the band is the same: low (here low).
Radon is the survey area’s figure, so neighbours in one area share it.
Get ready for what Devonshire faces
Practical steps for Devonshire’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
- Earthquakes are modelled. Seismic risk is NRCan’s model of yearly building losses from shaking, averaged over many years and given for Devonshire’s census subdivision (a neighbourhood shows its city’s).
- Radon is a survey. Health Canada’s survey tested some 14,000 homes over three months; until postal-area boundaries are loaded, Devonshire takes its 2007 health region’s share.
- Wildfire counts one way. For Devonshire, wildfire means how much nearby land burned in the past forty years, a one-way input that can pull Risk down and nothing more.
- Flood studies aren’t flood zones. The flood inventory points to maps; it is incomplete and not the official source, so ask the municipality about any street in Devonshire.
Questions about flooding and hazards in Devonshire
Is Devonshire at risk of wildfire?
Not much by Canadian standards: Devonshire’s band is low, with 0.1% of the land within 25 km burned since 1986 (last in 2010), so wildfire doesn’t change its grade.
How big is the earthquake risk in Devonshire?
NRCan’s model expects shaking to cost buildings in Devonshire $0.019 a year for every $1,000 of their value, on average over many years.
Is radon a problem in Devonshire?
14% of the 195 homes Health Canada tested around Devonshire topped the guideline; your own house needs its own test.
Does Devonshire flood?
The inventory lists a study touching Devonshire; whether a given street floods is on that map, not in the grade.
How is Devonshire’s Hazard risk Grade worked out?
Hazard risk gives Devonshire C+, weighing earthquakes and radon and counting wildfire only against it.
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).