Month: August 2023

#26: Sand Boil Filter: A more efficient tool to combat internal levee erosion

When river levels rise, so does the threat of sand boils, which occur when water bubbles out of the ground near the base of a levee, surrounded by a mound of displaced soil. Caused by increased pressure, sand boils are a visible sign of erosion within a levee. And unless they are treated immediately, these…

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