Photo: Earth Science and Remote Sensing Unit , Lyndon B. Johnson Space Center · Public domainFlood mapping exists for Electoral Area D, Squamish-Lillooet: 3 on record, latest by Squamish Lillooet Regional District
Little of the land around Electoral Area D, Squamish-Lillooet has burned: 0.5% within 25 km since 1986, or 0.01% a year. Shaking is a bigger worry than in most places, at $0.16 a year per $1,000 of building value ($0.030 typical). Fewer homes than usual carry radon here, 2.5% over the guideline where the typical town has 6.6%. Electoral Area D, Squamish-Lillooet grades B for hazard risk, with wildfire counted against it.
What stands out about Electoral Area D, Squamish-Lillooet’s hazards
For Electoral Area D, Squamish-Lillooet, from NRCan’s seismic model, Health Canada’s radon survey, the national burned-area record and the flood map inventory.
What Electoral Area D, Squamish-Lillooet faces
Each hazard against its own yardstick; meters run from low to high on that yardstick.
Wildfire
Earthquakes
Radon
Flood study
Hazard risk in Electoral Area D, Squamish-Lillooet: B
Earthquake risk and radon make Electoral Area D, Squamish-Lillooet’s grade; wildfire can only lower it, never raise it, and flood studies are listed but not scored.
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.
Wildfire is rare near Electoral Area D, Squamish-Lillooet: 0.5% of the land within 25 km burned since 1986, 0% within 5 km
Fires mapped since 1986 around where Electoral Area D, Squamish-Lillooet’s residents live, and the fuel next to their homes.
Electoral Area D, Squamish-Lillooet burns at 0.01% a year, low against 0.000% for the typical Canadian town.
Electoral Area D, Squamish-Lillooet’s homes have had no fire within 5 km since 1986; the closest was 5.6 km away.
There is forest near Electoral Area D, Squamish-Lillooet’s homes (52% within 5 km) and more of it further out (71% 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 British Columbia · highest of 256
At 0.01% a year, Electoral Area D, Squamish-Lillooet ranks 97th of the 256 towns in British Columbia; Oliver leads at 0.98%.
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.
Electoral Area D, Squamish-Lillooet 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.
Electoral Area D, Squamish-Lillooet is on the flood map inventory: 3 studies, latest by Squamish Lillooet Regional District
Flood studies whose area touches Electoral Area D, Squamish-Lillooet, from NRCan’s inventory, each linked to its owner.
For Electoral Area D, Squamish-Lillooet the inventory points to 3 studies, most recently Squamish Lillooet Regional District’s in 2021.
| Study | By | Year | Status |
|---|---|---|---|
| Flood Hazard Mapping and Risk Assessment Upper Paradise Valley | Squamish Lillooet Regional District | 2021 | final |
| Squamish Lilloet Regional District Flood Hazard Mapping and Risk Assessment Upper Squamish | Squamish-Lillooet Regional District | 2018 | final · not public |
| District of Squamish Integrated Flood Hazard Management Plan | District of Squamish | 2017 | final |
Towns with a flood study on file
76% of towns in British Columbia have a flood study, more than Canada’s 58%; Electoral Area D, Squamish-Lillooet has one too.
NRCan Canada Flood Map Inventory: a study footprint touching the town’s boundary; towns of 2,500 people or more.
The busiest decade for flood studies around Electoral Area D, Squamish-Lillooet was the 2010s (2 of 3); they run from the 2010s to the 2020s.
Study dates as the NRCan inventory lists them, one count per study touching Electoral Area D, Squamish-Lillooet.
Nothing here counts toward Risk; the studies are pointers to the maps their owners keep for Electoral Area D, Squamish-Lillooet.
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.
Shaking is Electoral Area D, Squamish-Lillooet’s costliest hazard: $0.16 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.
Electoral Area D, Squamish-Lillooet’s $0.16 is about 5.2 times the typical town’s $0.030: it sits in one of Canada’s more active seismic zones.
Shaking damage a year per $1,000 of building value
Electoral Area D, Squamish-Lillooet’s $0.16 sits under the median in British Columbia, $0.36, and well under Duncan’s $1.33.
NRCan seismic risk model (2022): mean yearly building loss per $1,000 of value; medians of towns of 2,500 people or more.
More earthquake risk than most: only 15% of Canada’s 2,611 towns are above Electoral Area D, Squamish-Lillooet.
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 Electoral Area D, Squamish-Lillooet 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).
2.5% of homes tested around Electoral Area D, Squamish-Lillooet are over the radon guideline
Health Canada’s survey of long-term home tests: the share above the 200 Bq/m³ guideline.
A lower share than most: 2.5% of tested homes around Electoral Area D, Squamish-Lillooet, the typical Canadian town 6.6%.
Tested homes over 200 Bq/m³
Over 600 Bq/m³
The median in British Columbia is 1.8% over 200 Bq/m³; the survey area around Electoral Area D, Squamish-Lillooet has 2.5%.
Health Canada radon survey (2009–2011), by 2007 health region; medians of towns of 2,500 people or more.
Few tests over the guideline: Electoral Area D, Squamish-Lillooet shares the bottom band with 37% of Canada’s 2,611 towns, below the other 63%.
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 Electoral Area D, Squamish-Lillooet 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). · Radon tests published for the North Shore/Coast Garibaldi health region, not by town
Where to get warnings in Electoral Area D, Squamish-Lillooet
Environment and Climate Change Canada issues the weather alerts for Electoral Area D, Squamish-Lillooet; 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. |
For fires near Electoral Area D, Squamish-Lillooet, the national fire information system maps danger and active fires daily; local authorities give any evacuation order.
Weather alerts (ECCC) · Alert Ready · Fire danger and active fires (CWFIS)
Hazards in the places around Electoral Area D, Squamish-Lillooet
The same four hazards for the places next door.
| Town | Wildfire | Quake $/1,000 | Radon | Flood study |
|---|---|---|---|---|
| Electoral Area D, Squamish-Lillooet | Low | $0.16 | 2.5% | Yes |
| Squamish 28,578 · 4.1 km | Low | $0.28 | 2.5% | Yes |
Nowhere around Electoral Area D, Squamish-Lillooet burns more: Squamish, the closest rival, is low to its low.
Radon is the survey area’s figure, so neighbours in one area share it.
Get ready for what Electoral Area D, Squamish-Lillooet faces
Practical steps for Electoral Area D, Squamish-Lillooet’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?
- 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
- Wildfire counts one way. For Electoral Area D, Squamish-Lillooet, 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 Electoral Area D, Squamish-Lillooet.
- Radon is a survey. Health Canada’s survey tested some 14,000 homes over three months; until postal-area boundaries are loaded, Electoral Area D, Squamish-Lillooet takes its 2007 health region’s share.
- Earthquakes are modelled. Seismic risk is NRCan’s model of yearly building losses from shaking, averaged over many years and given for Electoral Area D, Squamish-Lillooet’s census subdivision (a neighbourhood shows its city’s).
Questions about flooding and hazards in Electoral Area D, Squamish-Lillooet
Is radon a problem in Electoral Area D, Squamish-Lillooet?
2.5% of the 81 homes Health Canada tested around Electoral Area D, Squamish-Lillooet topped the guideline; your own house needs its own test.
How big is the earthquake risk in Electoral Area D, Squamish-Lillooet?
About $0.16 a year per $1,000 of building value, NRCan’s long-run expectation for Electoral Area D, Squamish-Lillooet.
Does Electoral Area D, Squamish-Lillooet flood?
The inventory lists a study touching Electoral Area D, Squamish-Lillooet; whether a given street floods is on that map, not in the grade.
Is Electoral Area D, Squamish-Lillooet at risk of wildfire?
Not much by Canadian standards: Electoral Area D, Squamish-Lillooet’s band is low, with 0.5% of the land within 25 km burned since 1986 (last in 2025), so wildfire doesn’t change its grade.
How is Electoral Area D, Squamish-Lillooet’s Hazard risk Grade worked out?
Electoral Area D, Squamish-Lillooet’s Hazard risk grade is B, built on earthquakes and radon with a one-sided wildfire input.
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).