Global Affairs Canada — federal contaminated sites
Global Affairs Canada is custodian of 150 sites in Canada's Federal Contaminated Sites Inventory — 0.6% of the 24,426 sites nationwide. 8 are active, 135 are closed, and 7 are suspected. Reported federal expenditure on these sites totals $1.4M (0.01% of the national total), an average of $10K per site.
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.