Federal Contaminated SitesInventory Explorer

Sites by province & territory

The 24,426 sites in the Federal Contaminated Sites Inventory span every province and territory. The North carries a disproportionate share of expenditure — abandoned mines and military infrastructure dominate the largest cleanups.

Province / TerritorySitesActiveShareReported spend
British Columbia4,85596520%$1.25B
Ontario3,99562016%$3.23B
Quebec2,53572310%$492.5M
Newfoundland and Labrador2,52541810%$315.5M
Saskatchewan1,9042277.8%$119.4M
Nova Scotia1,8151717.4%$140.8M
Northwest Territories1,6801256.9%$2.32B
Manitoba1,4452245.9%$248.5M
Alberta1,1812114.8%$149.7M
New Brunswick1,054994.3%$53.0M
Nunavut8081273.3%$808.9M
Prince Edward Island322161.3%$12.8M
Yukon151280.6%$1.70B

Figures are computed from the official FCSI open-data export published August 3, 2026, under the Open Government Licence – Canada. This is an unofficial site — verify against the official inventory before relying on details.