Photo: WinterE229 (WinterforceMedia) · CC0Hazard risk in Leduc County is lower than in 98% of Canadian towns
The national fire record shows next to nothing around Leduc County, 0% of the land within 25 km since 1986 (0.000% a year). Earthquakes matter little: NRCan’s model puts building losses at $0.014 a year per $1,000 of value, against $0.030 for the typical town. Fewer homes than usual carry radon here, 1.4% over the guideline where the typical town has 6.6%. Hazard risk gives Leduc County a grade of A+, from earthquakes and radon alone.
What stands out about Leduc County’s hazards
Four national sources, each read for Leduc County: earthquakes, radon, past fires and flood studies.
What Leduc County faces
Each hazard against its own yardstick; meters run from low to high on that yardstick.
Wildfire
Earthquakes
Radon
Flood study
Leduc County grades A+ for hazard risk
Seismic risk and radon set Leduc County’s grade, wildfire can drag it down, and flood mapping stays out of it.
Its place: #206 of 474 in Alberta and #221 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 73 home tests in the survey area, so a few homes move it. Small fires and grass fires are largely missing from the national burned-area record.
Wildfire is rare near Leduc County: 0% of the land within 25 km burned since 1986, 0% within 5 km
Fires mapped since 1986 around where Leduc County’s residents live, and the fuel next to their homes.
At 0.000% of the land a year, Leduc County’s burn rate is in the low band; the typical Canadian town sees 0.000%.
The 5 km ring around Leduc County’s homes is clear of burns since 1986, the nearest 7.9 km out.
Little near Leduc County’s homes can carry a forest fire; only 0.6% of the land within 5 km is forest fuel, and 2.3% 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 Alberta · highest of 478
Among the 478 towns in Alberta, Wainwright burns fastest (1.43% a year); Leduc County is with the 386 near zero.
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.
Like most of Canada’s 2,610 towns (92%), Leduc County is in the low band, with a burn rate of zero to three decimals; 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.
Leduc County is on the flood map inventory: 3 studies, latest by Government of Alberta
Flood studies whose area touches Leduc County, from NRCan’s inventory, each linked to its owner.
Government of Alberta and others have studied flooding in areas that include Leduc County: 3 studies, the latest from 2024.
| Study | By | Year | Status |
|---|---|---|---|
| North Saskatchewan River Flood Study | Government of Alberta | 2024 | final |
| Nisku Flood Hazard Study | Government of Alberta | 2014 | final |
| Millet Flood Hazard Study | Government of Alberta | 2003 | final |
Towns with a flood study on file
Mapping in Alberta reaches 46% of towns, Leduc County among them, below the 58% across Canada.
NRCan Canada Flood Map Inventory: a study footprint touching the town’s boundary; towns of 2,500 people or more.
No single decade dominates: 3 studies for Leduc County between the 2000s and the 2020s.
Study dates as the NRCan inventory lists them, one count per study touching Leduc County.
The grade leaves flood out, since a study area says nothing about how many of Leduc County’s homes are at risk.
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.
Little shaking expected in Leduc County: $0.014 a year per $1,000
NRCan’s seismic risk model: the damage shaking is expected to do to buildings each year, on average over many years.
At $0.014 per $1,000, Leduc County carries 0.5 times the typical Canadian town’s earthquake risk ($0.030): low.
Shaking damage a year per $1,000 of building value
Shaking damage around Leduc County runs at $0.014 a year, near the $0.013 of the typical town in Alberta; Black Diamond has $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.
Earthquakes cost less around Leduc County than in 73% of Canada’s 2,611 towns.
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 Leduc County’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).
Radon runs low around Leduc County: 1.4% of tested homes over the guideline
Health Canada’s survey of long-term home tests: the share above the 200 Bq/m³ guideline.
Radon runs below the typical Canadian town (6.6%) in Leduc County’s area, at 1.4%.
Tested homes over 200 Bq/m³
Over 600 Bq/m³
Leduc County’s area, at 1.4%, is below the median in Alberta (7.5%).
Health Canada radon survey (2009–2011), by 2007 health region; medians of towns of 2,500 people or more.
63% of Canada’s 2,611 towns have a higher share of homes over 200 Bq/m³ than Leduc County’s band, which holds 37%.
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.
One home in Leduc County can be high while next door is low; a three-month test settles it.
Health Canada, Cross-Canada Survey of Radon Concentrations in Homes (2009–2011). · Radon tests published for the Capital Health, not by town
Weather and fire alerts for Leduc County
Environment and Climate Change Canada issues the weather alerts for Leduc County; 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. |
Smoke and fire warnings for Leduc County come through Environment Canada and Alert Ready; the fire map is CWFIS’s.
Weather alerts (ECCC) · Alert Ready · Fire danger and active fires (CWFIS)
Hazards in the places around Leduc County
The same four hazards for the places next door.
Among its neighbours Leduc County has the most fire on record (low); Leduc follows (low).
Radon is the survey area’s figure, so neighbours in one area share it.
Get ready for what Leduc County faces
Practical steps for Leduc County’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
- 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 Leduc County until then.
- Flood studies aren’t flood zones. Flood studies cover areas of every size, which is why the page lists them for Leduc County without grading them.
- Wildfire counts one way. Wildfire is read from the national burned-area record around Leduc County’s homes since 1986, a history of fire that may lower Risk but never raises it.
- Earthquakes are modelled. NRCan models what earthquakes would cost buildings each year on average, subdivision by subdivision; Leduc County’s figure is its subdivision’s.
Questions about flooding and hazards in Leduc County
Is Leduc County at risk of wildfire?
Not much by Canadian standards: Leduc County’s band is low, with 0% of the land within 25 km burned since 1986 (last in 2023), so wildfire doesn’t change its grade.
Does Leduc County flood?
A flood study covers Leduc County on Canada’s Flood Map Inventory; open the owner’s map to check a street, since flood isn’t graded.
How is Leduc County’s Hazard risk Grade worked out?
Leduc County’s Hazard risk grade is A+, built on earthquakes and radon with a one-sided wildfire input.
How big is the earthquake risk in Leduc County?
Expected earthquake damage in Leduc County comes to $0.014 a year for each $1,000 that buildings are worth.
Is radon a problem in Leduc County?
1.4% of the 73 homes Health Canada tested around Leduc County topped the guideline; your own house needs its own test.
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).