Indigenous Services Canada — federal contaminated sites
Indigenous Services Canada is custodian of 4,683 sites in Canada's Federal Contaminated Sites Inventory — 19% of the 24,426 sites nationwide. 1,221 are active, 2,828 are closed, and 634 are suspected. Reported federal expenditure on these sites totals $887.0M (8.2% of the national total), an average of $189K per site.
Open these sites on the interactive map
Status and priority
| Sites | Share | |
|---|---|---|
| Active | 1,221 | 26% |
| Suspected | 634 | 14% |
| Closed | 2,828 | 60% |
| Sites | Share | |
|---|---|---|
| High Priority for Action | 550 | 12% |
| Medium Priority for Action | 875 | 19% |
| Low Priority for Action | 384 | 8.2% |
| Not a Priority for Action | 303 | 6.5% |
| Insufficient Information | 224 | 4.8% |
Reported expenditure by fiscal year
Where Indigenous Services Canada sites are located
| Province / Territory | Sites | Reported spend |
|---|---|---|
| British Columbia | 1,610 | $258.1M |
| Saskatchewan | 967 | $80.8M |
| Manitoba | 761 | $223.3M |
| Ontario | 734 | $248.9M |
| Alberta | 269 | $53.3M |
| Quebec | 218 | $17.3M |
| Nova Scotia | 49 | $2.3M |
| New Brunswick | 41 | $2.0M |
| Northwest Territories | 14 | $25K |
| Newfoundland and Labrador | 8 | $933K |
Most common contaminant types
Most affected media
Largest sites by reported expenditure
Municipalities with the most sites
Division No. 18, Unorganized (63) · Canoe Lake 165 (56) · Peguis 1B (53) · Kahkewistahaw 72 (46) · Wapachewunak 192D (45) · Buffalo River Dene Nation (44) · Ministikwan 161 (43) · Waterhen 130 (42) · Kenora, Unorganized (40) · Nisga'a (34) · Clearwater River Dene 222 (33) · Seabird Island (31) · Division No. 22, Unorganized (30) · Bearskin Lake (28) · Fort Albany (Part) 67 (28) · Opaskwayak Cree Nation 21E (28) · Weagamow Lake 87 (27) · Cowessess 73 (26) · Division No. 23, Unorganized (26) · Cowichan (25)
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.