Radon Levels in Kitchener
Ontario · Cross-Canada Radon Survey · 2025 data
By Canadian Radon Data Team · Sourced from official open data
Direct municipal dataCommunity summary
Average radon in Kitchener is 277 Bq/m³; 17% of homes exceed 200 Bq/m³.
Figure 1 · Geology
Limestone beneath Kitchener
Kitchener sits on Limestone bedrock or surficial deposits. Radon enters homes through cracks in foundations, sump pits, and utility penetrations. Geology explains regional averages, but individual home levels depend on construction, ventilation, and soil contact.
Kitchener vs Ontario
Mitigation recommended
Average indoor radon in this area exceeds Health Canada's 200 Bq/m³ reference level. If your home tests high, hire a C-NRPP certified mitigator.
- 1Confirm levels with a long-term test kit (minimum 3 months)
- 2If results exceed 200 Bq/m³, contact a C-NRPP certified professional
- 3Sub-slab depressurization typically reduces levels by 80–90%
- 4Retest after mitigation to verify the system works
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