Federal contaminated sites in Alberta

Alberta has 1,181 sites in Canada's Federal Contaminated Sites Inventory — 4.8% of the 24,426 sites nationwide. 211 are active, 910 are closed, and 60 are suspected. Reported federal expenditure on these sites totals $149.7M (1.4% of the national total), an average of $127K per site.

Open these sites on the interactive map

Status and priority

Reported expenditure by fiscal year

Custodian departments in Alberta

Most common contaminant types

• PHCs (petroleum hydrocarbons)448 · 38%
• PAHs (polycyclic aromatic hydrocarbon)368 · 31%
• Metal, metalloid, and organometallic329 · 28%
• BTEXs (benzene, toluene, ethylbenzene, and xylene)90 · 7.6%
• Other Physical/Chemical (pH, temperature, dissolved solids, turbidity, etc.)50 · 4.2%
• Other organics43 · 3.6%
• Other inorganics40 · 3.4%
• PCBs (Polychlorinated Biphenyl) and PCDD/Fs (polychlorinated dibenzo-p-dioxin/dibenzofuran)17 · 1.4%
• Energetics15 · 1.3%
• Halogenated Hydrocarbon13 · 1.1%

Most affected media

• Soil552 · 47%
• Groundwater329 · 28%
• Other medium209 · 18%
• Surface water198 · 17%
• Sediment198 · 17%
• Not Available171 · 14%
• Surface soil38 · 3.2%
• Air3 · 0.3%

Largest sites by reported expenditure

Municipalities with the most sites

Cypress County (79) · Wood Buffalo (66) · Improvement District No. 9 Banff (45) · Sturgeon County (29) · Red Deer County (27) · Improvement District No. 12 Jasper Park (26) · Wainwright No. 61 (26) · Cold Lake (25) · Lethbridge County (22) · Jasper (21) · Mackenzie County (21) · Blood 148 (20) · Hay Lake 209 (18) · Yellowhead County (17) · Edmonton (16) · Big Lakes County (15) · Calgary (15) · Improvement District No. 24 Wood Buffalo (14) · Samson 137 (14) · Tsuu T'ina Nation 145 (14)

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.