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Plumbers of Boise
Plumbers of Boise
Plumbing · Idaho
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Sump Pump Repair

A pump that isn't keeping up puts water under the house within hours, so it needs attention while the pit is still winning rather than after the floor is wet.

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When this becomes an emergency

What a pro does

The plumber watches the pump work before touching anything, because how it fails narrows the cause faster than any test. Constant running, no start at all, and rapid short cycling each point somewhere different. The float switch is the first suspect on most units, since it's the part that moves most and the cheapest thing in the pit to replace. If the float checks out, the motor and the impeller get tested against how quickly water is actually coming in. Around the Treasure Valley the reason a house has a pump in the first place is worth understanding. Most of these pits sit in a crawlspace rather than a basement, and they exist because groundwater rises seasonally once the canal and irrigation system charges up and the ditches run through the spring and summer. Properties on the low side of an old ditch line, or downhill from irrigated ground, see a water table that behaves nothing like it does in the dry part of the year. A pump sized for the quiet months can fall behind badly during that stretch. The discharge line gets checked too, since a pump that runs fine while pushing into a blocked or crushed outlet is doing no useful work at all.

Frequently asked questions

Because the water under the ground here isn't governed by rainfall. When the valley's irrigation system is charged and the ditches and canals are running, seepage lifts the local water table, and a crawlspace that stays bone dry through the winter can take on water through the warm half of the year.
The moment when the power goes out and the pit keeps filling. A battery or water-powered backup covers that gap. It matters most on properties where groundwater is coming in steadily rather than after a one-off storm, since the pit doesn't wait for the electricity to come back.
Far enough from the foundation that it doesn't simply return to the pit, and somewhere that doesn't dump onto a neighboring property. Local rules differ by city across the valley, so the routing is worth confirming rather than assuming.
That usually means the pump is turning without moving water. A blocked or frozen discharge line, a failed check valve, or a worn impeller all produce the same picture, which is a motor that sounds healthy and a pit that stays full.

Sump Pump Repair?

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