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Lower Mainland Flood Management Strategy

Phase 1 Results & Reports

lmfms_phase_1_report_fan_250px.pngPhase 1 of the Lower Mainland Flood Management Strategy (2014-2016) was completed in May 2016.

Phase 1 included an analysis of Lower Mainland flood scenarios, a regional assessment of flood vulnerabilities, and a review of current flood protection works and practices.

The results show that there is significant risk of a large-magnitude flood in the Lower Mainland, and that the risk is projected to worsen over the next 85 years, both in terms of flood frequency and size, because of sea level rise and other projected impacts of climate change. If a major Fraser River or coastal flood were to occur between now and 2100, it would trigger losses estimated at $20 to 30 billion, which would be the largest disaster in Canadian history.

Phase 1 shows the critical importance of a regional strategy and a major investment in flood mitigation. The costs of a major flood event far outweigh the costs associated with effective flood mitigation.

The Phase 1 summary materials and full reports and maps are available below.

Phase 1 Materials

Media Release & Backgrounder

Media Release: Lower Mainland Flood Action Plan Ahead (May 30, 2016)

Media Backgrounder: Lower Mainland Flood Management Strategy: Phase 1 Results and Next Steps (May 30, 2016)

See also Province of BC media release: Province invests $1 million in development of Lower Mainland flood action plan (May 30, 2016)

Phase 1 Summary Report

Lower Mainland Flood Management Strategy: Phase 1 Summary Report (May, 2016)

Phase 1 Full Reports

Project 1 Reports

Simulating the Effects of Sea Level Rise and Climate Change on Fraser River Flood Scenarios

Analysis of Flood Scenarios

Project 2 Report

Regional Assessment of Flood Vulnerability (Final Report with Appendices) (April 25, 2016) (Note: Large file: 56 MB)

Project 3

Lower Mainland Dike Assessment

Phase 1 Maps for Coastal Flood Scenarios (A and B) and Fraser River Flood Scenarios (C and D)

For information on the flood scenarios and information reflected in these maps, please see the Phase 1 Summary report and the full report Regional Assessment of Flood Vulnerability.

Coastal Flood Scenarios (A & B) Overview Map
(showing flood extents):

Fraser River Flood Scenarios (C & D) Overview Map
(showing flood extents):

Subregional Maps
(Sample maps showing flood extents and essential facilities in the floodplain)

 

Our Vision

Social well-being supported by a vibrant economy and sustained by a healthy environment.

About the Fraser Basin Council

The Fraser Basin Council (FBC) is a charitable non-profit organization that brings people together to advance sustainability in the Fraser River Basin and throughout BC. Established in 1997, FBC is a collaboration of four orders of government (federal, provincial, local and First Nations) along with those from the private sector and civil society. We work with people in multiple sectors, helping them find collaborative solutions to today’s issues through a commitment to the social, economic and environmental dimensions of sustainability. Our focus is on healthy water and watersheds, action on climate change and air quality and strong, resilient communities and regions.

FBC Project and
Partner Sites

Plug in BC:
www.pluginbc.ca

BuySmart Network:
www.buysmartbc.com

BC Rural Network:
www.bcruralnetwork.ca

Rethinking our Water Ways:
www.rethinkingwater.ca

ReTooling for Climate Change:
www.retooling.ca

Climate Action Toolkit:
www.toolkit.bc.ca

Contact Us

FBC has offices in Vancouver, Kamloops, Williams Lake, Quesnel and Prince George. We also have staff located in Abbotsford and Vernon.

To reach us, see FBC Offices and FBC Staff.

Our main office is:

Fraser Basin Council
1st Floor, 470 Granville Street
Vancouver, BC V6C 1V5

T: 604 488-5350
F: 604 488-5351
E: