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Sumas Prairie: Failed Dikes, Flooded Farmland: Sumas Prairie Drainage

100 Years ago, settlers drained the lake that covered Sumas Prairie and was home to the Semá:th People. In November, 2021, climate change-related flooding temporarily brought the lake back.

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Articles, Books, Videos & E-Resources

Search the Find-It Box for articles, books and more. Try subjects such as Fraser Valley dyk* (includes dykes, dyking...), and Fraser Valley dik* (includes dikes, diking...), Fraser River floods, Fraser Valley drainage, flood forecasting, dikes engineering, Fraser Basin Council...

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[Note: We are working to improve access to our collections and revising our subject headings to be more respectful and inclusive. Please be aware that you may see certain words or descriptions in search results or library materials which reflect the author’s attitude or that of the period in which the item was created and may now be considered offensive.]

Warning

"The dikes generally do not meet current provincial standards and none fully meet or exceed the standards. The reasons for this are twofold: 1) recent research and numerical flood modelling have resulted in more accurate but also higher design flood levels; and, 2) structural and geotechnical design criteria have become more stringent over time. Upgrading the dikes to meet the updated standards is costly, particularly where major land acquisitions would be required." from the Ministry of Forests, Lands and Natural Resource Operations Lower Mainland Dike Assessment, 2015.

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The University of the Fraser Valley is situated on the traditional territory of the Stó:lō peoples. The Stó:lō have an intrinsic relationship with what they refer to as S’olh Temexw (Our Sacred Land), therefore we express our gratitude and respect for the honour of living and working in this territory.

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