Federal Contaminated SitesInventory Explorer

Federal contaminated sites in British Columbia

British Columbia has 4,855 sites in Canada's Federal Contaminated Sites Inventory — 20% of the 24,426 sites nationwide. 965 are active, 3,497 are closed, and 393 are suspected. Reported federal expenditure on these sites totals $1.25B (12% of the national total), an average of $258K per site.

Open these sites on the interactive map

Status and priority

Status
SitesShare
Active96520%
Suspected3938.1%
Closed3,49772%
Classification (priority for action)
SitesShare
High Priority for Action61113%
Medium Priority for Action70815%
Low Priority for Action2625.4%
Not a Priority for Action3797.8%
Insufficient Information1503.1%

Reported expenditure by fiscal year

$112.8M$56.4M1995–1996: $3K1996–1997: $172K1997–1998: $29K1998–1999: $180K1999–2000: $342K2000–2001: $9K2001–2002: $1.1M2002–2003: $21K2003–2004: $3K2005–2006: $22.4M2006–2007: $23.0M2007–2008: $25.1M2008–2009: $28.9M2009–2010: $35.1M2010–2011: $65.2M2011–2012: $27.0M2012–2013: $37.5M2013–2014: $81.2M2014–2015: $55.2M2015–2016: $47.5M2016–2017: $104.0M2017–2018: $104.6M2018–2019: $112.8M2019–2020: $98.6M2020–2021: $55.1M2021–2022: $60.0M2022–2023: $59.0M2023–2024: $64.5M2024–2025: $69.8M2025–2026: $74.4M$112.8M199520002005201020152020
Peak: $112.8M in 2018–2019

Custodian departments in British Columbia

CustodianSitesReported spend
Fisheries and Oceans Canada2,011$39.7M
Indigenous Services Canada1,610$258.1M
National Defence357$437.6M
Environment and Climate Change Canada297$11.3M
Transport Canada187$165.4M
Public Services and Procurement Canada141$280.7M
Royal Canadian Mounted Police99$1.9M
Parks Canada Agency74$21.0M
Agriculture and Agri-Food Canada31$21.4M
Health Canada13$663K

Most common contaminant types

Most affected media

Largest sites by reported expenditure

SiteMunicipalityCustodianReported spend
ESQ-1 - Esquimalt HarbourEsquimaltNational Defence$301.6M
Esquimalt Graving Dock Waterlot - AEC's 11,15EsquimaltPublic Services and Procurement Canada$106.4M
Lot 6A: Barclay Point; Rock Bay East Fill; Rock Bay North Fill; Bay Street East Fill; J-15 Bay Street Centre Fill; J-16 Bay SVictoriaTransport Canada$42.0M
Lot 2A: Middle Harbour Fill Site; Harbour FloorVictoriaTransport Canada$41.3M
19 Wing PFAS SitewideComoxNational Defence$30.1M
Lot 17: Victoria Harbour Floor; Point Ellice (Bay Street); Johnson Street; Point Ellice (Bay Street); East Selkirk; MacaulayVictoriaTransport Canada$28.1M
Alaska Highway - Fireside Maintenance CampNorthern RockiesPublic Services and Procurement Canada$25.4M
Fort Nelson Airport EBS Contaminated SitesNorthern RockiesTransport Canada$24.8M
540 - Kitasoo Xai'xais Nation - 07886 - KITASOO 1 - BC04825611Kitasoo 1Indigenous Services Canada$19.9M
648 - Snuneymuxw First Nation - 06817 - NANAIMO RIVER 3 - 0903801608Nanaimo RiverIndigenous Services Canada$18.3M
Alaska Highway - Muncho Lake Maintenance CampNorthern RockiesPublic Services and Procurement Canada$17.5M
Kelowna Research FarmKelownaAgriculture and Agri-Food Canada$17.4M
Alaska Highway - Steamboat Maintenance CampNorthern RockiesPublic Services and Procurement Canada$16.2M
Esquimalt Graving Dock - Canadian Forces Sailing Association (CFSA) WaterlotEsquimaltPublic Services and Procurement Canada$16.0M
DY-4 Dockyard FMF ConsolidationEsquimaltNational Defence$15.9M
Alaska Highway - Sikanni Maintenance CampPeace River BPublic Services and Procurement Canada$12.9M
555 - Squamish - 07969 - CAPILANO 5 - 0902168505Capilano 5Indigenous Services Canada$12.1M
Alaska Highway - Toad River Maintenance CampNorthern RockiesPublic Services and Procurement Canada$11.7M
Alaska Highway - 202 Road NWSC Maintenance Camp K-19Peace River BPublic Services and Procurement Canada$11.6M
Alaska Highway - Liard Maintenance CampNorthern RockiesPublic Services and Procurement Canada$11.0M
YA-2 Yarrows Small Boat FloatEsquimaltNational Defence$10.3M
Rogers Pass Maintenance CompoundColumbia-Shuswap AParks Canada Agency$9.5M
564 - Kwantlen First Nation - 08033 - LANGLEY 5 - BC04790410Maple RidgeIndigenous Services Canada$9.4M
642 - Cowichan - 06799 - COWICHAN 1 - 7000127498CowichanIndigenous Services Canada$9.1M
540 - Kitasoo Xai'xais Nation - 07886 - KITASOO 1 - BC04825911Kitasoo 1Indigenous Services Canada$8.4M

Municipalities with the most sites

Strathcona A (103) · Esquimalt (96) · Central Coast A (95) · North Coast E (85) · Southern Gulf Islands (85) · Alberni-Clayoquot C (82) · North Coast D (74) · Colwood (72) · Strathcona C (71) · Kitimat-Stikine C (Part 2) (69) · Northern Rockies (69) · North Coast C (67) · Richmond (66) · Peace River B (59) · North Coast A (56) · Mount Waddington A (55) · Alberni-Clayoquot A (50) · Nisga'a (46) · Metchosin (44) · Delta (40)

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.