Photo: massage-techniques · CC BY-SA 2.0Wildfire low, radon 6.2%: how Brookside - Briarbrook - Morgans Grant stands on hazards
Fire seldom reaches Brookside - Briarbrook - Morgans Grant: since 1986, 0.1% of the land within 25 km has burned (0.002% a year). Earthquakes add more: NRCan’s model puts building losses at $0.15 a year per $1,000 of value, against $0.030 for the typical town. Brookside - Briarbrook - Morgans Grant grades C+ for hazard risk, with wildfire counted against it.
What stands out about Brookside - Briarbrook - Morgans Grant’s hazards
For Brookside - Briarbrook - Morgans Grant, from NRCan’s seismic model, Health Canada’s radon survey, the national burned-area record and the flood map inventory.
What Brookside - Briarbrook - Morgans Grant faces
Each hazard against its own yardstick; meters run from low to high on that yardstick.
Wildfire
Earthquakes
Radon
Flood study
Hazard risk in Brookside - Briarbrook - Morgans Grant: C+
For Brookside - Briarbrook - Morgans Grant, Risk will be the average of earthquakes and radon, with wildfire added only if it makes the average worse.
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 Brookside - Briarbrook - Morgans Grant has burned: 0% within 5 km, 0.1% within 25 km since 1986
Fires mapped since 1986 around where Brookside - Briarbrook - Morgans Grant’s residents live, and the fuel next to their homes.
With 0.002% burned a year, Brookside - Briarbrook - Morgans Grant is among the many low-band places (the typical Canadian town 0.000%).
Since 1986 the nearest fire to Brookside - Briarbrook - Morgans Grant’s homes came within 13 km, never inside 5 km.
7.4% of the land within 5 km of Brookside - Briarbrook - Morgans Grant is forest fuel, close to the 12% 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
At 0.002% a year, Brookside - Briarbrook - Morgans Grant is near the top in Ontario: 54th of 871, behind Sioux Lookout (0.16%).
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.
Brookside - Briarbrook - Morgans Grant 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.
The flood map inventory lists nothing for Brookside - Briarbrook - Morgans Grant
Flood studies whose area touches Brookside - Briarbrook - Morgans Grant, from NRCan’s inventory, each linked to its owner.
No flood study on the national inventory covers Brookside - Briarbrook - Morgans Grant; ask the municipality, which is the authority for its flood maps.
Towns with a flood study on file
Flood maps are common in Ontario, 69% of towns against 58% nationally, but none in the inventory touches Brookside - Briarbrook - Morgans Grant.
NRCan Canada Flood Map Inventory: a study footprint touching the town’s boundary; towns of 2,500 people or more.
The grade leaves flood out, since a study area says nothing about how many of Brookside - Briarbrook - Morgans Grant’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.”
High seismic risk in Brookside - Briarbrook - Morgans Grant: $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.
Brookside - Briarbrook - Morgans Grant’s $0.15 is about 5 times the typical town’s $0.030: it sits in one of Canada’s more active seismic zones.
Brookside - Briarbrook - Morgans Grant doesn’t get its own earthquake risk figures; the ones here come from the city of Ottawa.
Shaking damage a year per $1,000 of building value
Earthquake risk in Ontario peaks in Alexandria ($0.21); Brookside - Briarbrook - Morgans Grant, 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.
In the upper part of Canada’s range: 15% of its 2,611 towns expect more damage than Brookside - Briarbrook - Morgans Grant.
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).
Only shaking damage to buildings in Brookside - Briarbrook - Morgans Grant is counted; landslides, liquefaction, tsunami and fire after a quake aren’t.
Natural Resources Canada, Canada’s Seismic Risk Model (2022), by census subdivision (2016 boundaries; a few 2021 subdivisions take their residents’ mean).
Some radon around Brookside - Briarbrook - Morgans Grant: 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. · Area-wide: radon tests, counted over the City of Ottawa Health Unit
6.2% of tested homes around Brookside - Briarbrook - Morgans Grant were over the guideline, much like the typical Canadian town at 6.6%.
Tested homes over 200 Bq/m³
Over 600 Bq/m³
Brookside - Briarbrook - Morgans Grant’s area, at 6.2%, is above the median in Ontario (4%).
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 Brookside - Briarbrook - Morgans Grant’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.
Neighbouring homes in Brookside - Briarbrook - Morgans Grant can differ a lot; only a long-term test tells you about yours.
Health Canada, Cross-Canada Survey of Radon Concentrations in Homes (2009–2011).
Where to get warnings in Brookside - Briarbrook - Morgans Grant
Environment and Climate Change Canada issues the weather alerts for Brookside - Briarbrook - Morgans Grant; 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. |
In fire season, check CWFIS for danger and active fires around Brookside - Briarbrook - Morgans Grant, and listen to local authorities for orders.
Weather alerts (ECCC) · Alert Ready · Fire danger and active fires (CWFIS)
How Brookside - Briarbrook - Morgans Grant’s neighbours compare on hazards
The same four hazards for the places next door.
| Town | Wildfire | Quake $/1,000 | Radon | Flood study |
|---|---|---|---|---|
| Brookside - Briarbrook - Morgans Grant | Low | $0.15 | 6.2% | None listed |
| Kanata Lakes 19,861 · 3.8 km | Low | $0.15 | 6.2% | None listed |
| Beaverbrook 6,762 · 4.1 km | Low | $0.15 | 6.2% | None listed |
| Katimavik-Hazeldean 11,437 · 5.9 km | Low | $0.15 | 6.2% | None listed |
| Carp 5,621 · 7.4 km | Low | $0.15 | 6.2% | None listed |
| Glen Cairn 14,020 · 8.4 km | Low | $0.15 | 6.2% | None listed |
| Stittsville North 13,331 · 8.4 km | Low | $0.15 | 6.2% | None listed |
Among its neighbours Brookside - Briarbrook - Morgans Grant has the most fire on record (low); Kanata Lakes follows (low).
Radon is the survey area’s figure, so neighbours in one area share it.
Get ready for what Brookside - Briarbrook - Morgans Grant faces
Practical steps for Brookside - Briarbrook - Morgans Grant’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.
- Drop, cover and hold on.
- Strap the water heater down.
- Keep 72 hours of supplies.
- Has it had a radon test?
- Ask the municipality for flood maps.
- Are flood and wildfire insured?
- Is earthquake cover included?
What this data can and can’t tell you
- Flood studies aren’t flood zones. Flood studies cover areas of every size, which is why the page lists them for Brookside - Briarbrook - Morgans Grant without grading them.
- Earthquakes are modelled. Seismic risk is NRCan’s model of yearly building losses from shaking, averaged over many years and given for Brookside - Briarbrook - Morgans Grant’s census subdivision (a neighbourhood shows its city’s).
- Wildfire counts one way. For Brookside - Briarbrook - Morgans Grant, wildfire means how much nearby land burned in the past forty years, a one-way input that can pull Risk down and nothing more.
- 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 Brookside - Briarbrook - Morgans Grant until then.
Questions about flooding and hazards in Brookside - Briarbrook - Morgans Grant
Is Brookside - Briarbrook - Morgans Grant at risk of wildfire?
Not much by Canadian standards: Brookside - Briarbrook - Morgans Grant’s band is low, with 0.1% of the land within 25 km burned since 1986 (last in 2014), so wildfire doesn’t change its grade.
How big is the earthquake risk in Brookside - Briarbrook - Morgans Grant?
Expected earthquake damage in Brookside - Briarbrook - Morgans Grant comes to $0.15 a year for each $1,000 that buildings are worth.
Is radon a problem in Brookside - Briarbrook - Morgans Grant?
6.2% of the 64 homes Health Canada tested around Brookside - Briarbrook - Morgans Grant topped the guideline; your own house needs its own test.
How is Brookside - Briarbrook - Morgans Grant’s Hazard risk Grade worked out?
Brookside - Briarbrook - Morgans Grant grades C+ for hazard risk, from earthquakes and radon, with wildfire counted only where it lowers the grade.
Does Brookside - Briarbrook - Morgans Grant flood?
No study on Canada’s Flood Map Inventory covers Brookside - Briarbrook - Morgans Grant (0), which doesn’t mean it has never been mapped, so ask the municipality.
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).