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Lift Station Design Calculator Online

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Lift stations play an integral part in the wastewater management systems of urban and suburban communities. An efficient design is crucial to ensure their smooth operation. This article delves into the world of lift station design calculations, a complex yet indispensable process to engineer efficient lift stations.


A lift station, also known as a pump station, is a crucial component of modern sewage systems. It pumps wastewater from a lower elevation to a higher one when the gradient of the area is not sufficient for gravity flow. The intricacies of its design involve various calculations, including flow rate, pump selection, wet well volume, pipe size, power supply, safety, and control requirements.

Detailed Explanations of the Calculator’s Working

Our lift station design calculator simplifies this complex process. By entering key parameters such as flow rate, total dynamic head, wet well volume, pipe size, and power requirements, the calculator provides an optimized design solution. It brings together key elements in lift station design and helps you compute them with accuracy, reducing manual errors and enhancing efficiency.

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Formula with Variable Descriptions

The following parameters form the backbone of lift station design calculations:

  1. Flow Rate: The peak wastewater flow rate into the lift station. It considers future growth, inflow and infiltration, and any industrial or commercial contributions to the wastewater flow.
  2. Total Dynamic Head (TDH): This includes the static head, friction losses in the piping system, and any additional head losses.
  3. Wet Well Volume: Calculated based on the pump flow rate, pump operating cycles, and hold time, typically around 20 to 30 minutes.
  4. Pipe Size: Computed based on the pump flow rate, allowable velocity, and desired friction losses.
  5. Power Requirements: The electrical power needed for the lift station, including pump motors, control panels, lighting, and auxiliary equipment.
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For instance, consider a lift station with a flow rate of 150 m³/h, TDH of 20m, wet well volume of 30m³, pipe size of 150mm, and power requirements of 15kW. Our calculator inputs these values and delivers a streamlined design blueprint for your lift station.


Urban Planning

Lift station design calculations are indispensable in urban planning, ensuring efficient wastewater management in growing cities.

Environmental Engineering

These calculations are pivotal in environmental engineering projects to prevent improper wastewater disposal and protect the environment.

Most Common FAQs

What is the importance of lift station design calculations?

Lift station design calculations are crucial as they determine the efficiency and functionality of a lift station. They ensure that the lift station is equipped to handle the expected wastewater flow rate and has the necessary power supply.

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What factors should be considered in lift station design calculations?

Key factors include the anticipated wastewater flow rate, total dynamic head, wet good volume, pipe size, and power requirements. Also, considerations such as future growth, inflow, infiltration, industrial contributions, pump efficiency, and reliability should not be overlooked.


Understanding lift station design calculations is essential for efficient and effective wastewater management. These calculations allow engineers and urban planners to design lift stations that meet the demands of the communities they serve while complying with environmental regulations. With our calculator, these complex computations become easy, accurate, and swift, aiding in the design of optimal lift stations for a sustainable future.

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