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Cost & PreventionJune 25, 2025 5 min read

Boise Foothills Homes: Liability & Drainage

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Living in the Boise Foothills offers spectacular views, but it comes with unique geotechnical risks. Slope creep and settlement are constant threats when soil becomes saturated.

Water is the Lubricant

Soil on a slope is held in place by friction. When water saturates that soil, it acts as a lubricant, reducing friction and allowing gravity to pull the hillside down—taking your retaining walls and foundation with it. This is why proper drainage is not optional for hillside properties.

Protecting Retaining Walls

Every retaining wall should have a gravel drainage layer and a perforated pipe behind it to relieve hydrostatic pressure. If your retaining wall shows white mineral stains (efflorescence) or is starting to lean, it likely lacks proper drainage. Addressing this early is far cheaper than rebuilding the wall.

Stop the Water Damage.

Water issues don't get better with time—they get more expensive. Get a professional opinion before the next storm.

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