Maintenance & Prevention · Basement Systems

Sump Pump Maintenance Checklist

Routine inspection, cleaning, and testing of sump pumps to ensure reliable basement dewatering and flood prevention.

Common symptoms

• Pump runs continuously
• Unit fails to start during rain
• Musty odors or standing water in pit
• Visible corrosion on components

Common repairs

• Quarterly: Test float switch and run a discharge cycle
• Semi-annually: Clean pit of silt/debris; verify check valve orientation
• Annually: Inspect discharge piping and exterior outlet for blockage
• Replace worn float switches or check valves as needed

Related terms

• Sump Pump
• Check Valve
• Backflow Prevention