Environment and Climate Change Canada — federal contaminated sites
Environment and Climate Change Canada is custodian of 1,353 sites in Canada's Federal Contaminated Sites Inventory — 5.5% of the 24,426 sites nationwide. 160 are active, 1,183 are closed, and 10 are suspected. Reported federal expenditure on these sites totals $93.8M (0.9% of the national total), an average of $69K per site.
Open these sites on the interactive map
Status and priority
| Sites | Share | |
|---|---|---|
| Active | 160 | 12% |
| Suspected | 10 | 0.7% |
| Closed | 1,183 | 87% |
| Sites | Share | |
|---|---|---|
| High Priority for Action | 397 | 29% |
| Medium Priority for Action | 181 | 13% |
| Low Priority for Action | 116 | 8.6% |
| Not a Priority for Action | 66 | 4.9% |
| Insufficient Information | 7 | 0.5% |
Reported expenditure by fiscal year
Where Environment and Climate Change Canada sites are located
| Province / Territory | Sites | Reported spend |
|---|---|---|
| Alberta | 324 | $2.7M |
| British Columbia | 297 | $11.3M |
| Saskatchewan | 281 | $1.7M |
| Ontario | 160 | $11.0M |
| Quebec | 78 | $1.7M |
| Newfoundland and Labrador | 53 | $1.4M |
| New Brunswick | 42 | $1.0M |
| Nunavut | 33 | $39.6M |
| Manitoba | 24 | $637K |
| Northwest Territories | 23 | $20.4M |
Most common contaminant types
Most affected media
Largest sites by reported expenditure
Municipalities with the most sites
Division No. 18, Unorganized (49) · Kenora, Unorganized (32) · Reno No. 51 (26) · Wood Buffalo (25) · Qikiqtaaluk, Unorganized (20) · Cypress County (17) · Norfolk County (15) · Wreford No. 280 (15) · Grosse-Île (14) · Yellowhead County (14) · Bulkley-Nechako E (12) · Clearwater County (12) · Athabasca County (11) · Cardston County (11) · Peace River B (11) · Mackenzie County (10) · Maple Creek No. 111 (10) · Val Marie No. 17 (10) · Sheffield (9) · Yukon, Unorganized (9)
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.