There is no fixed schedule for how often a sump pump should kick on, as activation frequency depends entirely on local groundwater tables, recent rainfall intensity, soil drainage characteristics, and your home's foundation waterproofing. During heavy torrential downpours or rapid spring snowmelt, a sump pump may run continuously or cycle every few minutes. During dry summer months with no rain, the pump may remain idle for weeks or months at a time. Verification: Pour water into the pit during dry spells to ensure the pump still activates normally when required.
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