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Flood Projects in the Thompson River Watershed

New flood projects were completed in Thompson River Watershed in 2019-2020, and the final project deliverables are available.

Base-Level Flood Hazard Mapping

Final Report Available

The final report is now available for a base-level flood hazard mapping project in the Thompson watershed.


GIS files are also available on request for flood projects. Requests can be made to the .


This map shows the sites chosen for base-level flood hazard mapping in the Thompson-Nicola and Cariboo Regional Districts. View larger size map (PNG).

Project Background

The flood hazard mapping is intended to fill basic information gaps identified in the Thompson Watershed risk assessment. It is at a base (screening) level, covering 478 square km across 11 floodplain sites in the Thompson-Nicola Regional District and one site in the Cariboo Regional District.

The outcomes include hydrologic analysis results and screening-level flood hazard maps at a level of detail suitable for:

  • Identification of sites that may be subject to flood hazards
  • Prioritization of sites for detailed study
  • Conversations at the community and regional level that centre around flood risk, including mitigation strategies to reduce existing or future flood risk
  • Emergency preparedness and response.

The flood hazard mapping project was funded by the Union of BC Municipalities Community Emergency Preparedness Fund program.

Flood Hazard Maps

Flood hazard map layers from this project can be accessed through an online, interactive mapping website.

Also on the site are layers from the 2018-2019 Thompson Watershed risk assessment.


LIDAR Acquisition

Click map image for larger view

Raw topographical data was collected in the Fall of 2019 using light detection and ranging (Lidar) technology, and imagery captured in almost 5000 km2 of valley bottom throughout the Thompson River Watershed.

The project data allowed for detailed, up-to-date topographic maps and will support future detailed floodplain mapping. The deliverables of the project are intended to be shared with all orders of government in the watershed.

This data can be accessed by any order of government through the BC Ministry of Forests, Lands, Natural Resource Operations and Rural Development.  to initiate a data sharing agreement and outline your geographic area of interest

This project is funded by the National Disaster Mitigation Program, funded equally by Public Safety Canada and Emergency Management BC.

Advisory Committee

A project Advisory Committee — with representation from elected officials and staff from local government, First Nations and the Province of BC — has provided guidance on this project. Information on the work of the Advisory Committee, and materials related to this work, are available: see Advisory Committee & Resources.

Learn More

For more information, contact:

Mike Simpson
Senior Regional Manager
Thompson Region

T: 250-314-9660



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.

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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