Sump Pump Size Calculator

Understanding Sump Pump Sizing

Proper pump sizing is crucial for effective water removal and basement protection.

  • Flow Rate Requirements Based on drainage area and rainfall intensity.
  • Head Pressure Vertical lift plus friction losses.
  • Soil Conditions Affects water infiltration rate.
  • System Capacity Includes safety factors for peak loads.

Design Considerations

Safety Factor

Add 20% capacity for unexpected loads.

Backup Systems

Consider battery backup for critical applications.

Pit Design

Size pit for proper pump cycling.

Maintenance Access

Allow space for servicing.

Pump Types Guide

  • Submersible Pumps Most common, quiet operation.
  • Pedestal Pumps Easy maintenance, longer life.
  • Battery Backup Secondary protection during power outages.
  • Combination Systems Primary and backup in one unit.