Crown-Indigenous Relations and Northern Affairs Canada (Northern Affairs Organization) — federal contaminated sites

Crown-Indigenous Relations and Northern Affairs Canada (Northern Affairs Organization) is custodian of 1,007 sites in Canada's Federal Contaminated Sites Inventory — 4.1% of the 24,426 sites nationwide. 153 are active, 845 are closed, and 9 are suspected. Reported federal expenditure on these sites totals $4.22B (39% of the national total), an average of $4.2M per site.

Open these sites on the interactive map

Status and priority

Reported expenditure by fiscal year

Where Crown-Indigenous Relations and Northern Affairs Canada (Northern Affairs Organization) sites are located

Most common contaminant types

• Metal, metalloid, and organometallic161 · 16%
• PHCs (petroleum hydrocarbons)159 · 16%
• PAHs (polycyclic aromatic hydrocarbon)40 · 4.0%
• BTEXs (benzene, toluene, ethylbenzene, and xylene)29 · 2.9%
• PCBs (Polychlorinated Biphenyl) and PCDD/Fs (polychlorinated dibenzo-p-dioxin/dibenzofuran)24 · 2.4%
• Other organics15 · 1.5%
• Other inorganics9 · 0.9%
• Isotopes8 · 0.8%
• Other Physical/Chemical (pH, temperature, dissolved solids, turbidity, etc.)8 · 0.8%
• Pesticides6 · 0.6%

Most affected media

• Soil179 · 18%
• Surface water55 · 5.5%
• Sediment42 · 4.2%
• Other medium39 · 3.9%
• Surface soil27 · 2.7%
• Groundwater24 · 2.4%
• Not Available13 · 1.3%
• Air7 · 0.7%

Largest sites by reported expenditure

Municipalities with the most sites

Region 6, Unorganized (186) · Kitikmeot, Unorganized (153) · Region 1, Unorganized (122) · Region 4, Unorganized (112) · Region 3, Unorganized (100) · Qikiqtaaluk, Unorganized (89) · Region 2, Unorganized (84) · Region 5, Unorganized (53) · Kugluktuk (49) · Kivalliq, Unorganized (19) · Yukon, Unorganized (9) · Yellowknife (8) · Fort Resolution (4) · Iqaluit (2) · Baker Lake (1) · Behchokò (1) · Cambridge Bay (1) · Carcross (1) · Clyde River (1) · Coral Harbour (1)

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.