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What is a Lift Station?

What is a Lift Station?

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A lift station is a pump mechanism that helps move wastewater between locations. It can also move sewage water from a lower elevation to a higher one using a designated collection system. The lift station collects water from the residential and commercial buildings and moves them to a final destination, i.e., a water treatment plant.

The sewage lift primarily reduces the initial capital costs of construction. Using the lift station reduces excavation costs and makes construction projects more profitable.

The method also saves costs on trench shoring, which involves digging the sewer pipe installations. Professionals dig around 10 ft underground to install the sewer pipes that the lift station saves them from.

Installing a wastewater lift station in a gravity pipeline system at a certain location saves the front-end construction costs. The lift station doesn’t sacrifice the functionality or efficiency of the process and lets professionals complete their projects better. The lift station also plays a vital role in transferring the sewage to a plant for wastewater treatment.

How does a Lift Station Work?

The working of the lift station is pretty interesting. The raw sewage moves underground through the sloped pipes that use gravity to reduce the operational costs of the process. These kinds of pipes are called gravity pipelines and can help cut down on overall operations costs.

 However, the wastewater has to enter the system of pipes from a lower elevation angle for the lift station to work properly. The raw sewage needs to move to a higher elevation if the professionals want the raw sewage to continue moving toward the wastewater treatment plant.  

Unfortunately, you cannot attain the higher elevation as it is against the law of gravity –thus, the lift station assists with this process.

The sewage collects in a compartment called a wet well in its raw form. The wet wall is a holding cell that empties when it reaches a certain level. The professionals have to determine the sewage levels to keep a consistent check on the system.

The next stage in the process requires moving the coarse (solid) and removing them from the sewage wastewater mix.

The lift station moves the sewerage “upward” whenever it becomes full. It is done by using sewer force. It is a set system that uses various pumps and compressors. The main purpose of these pumps is to elevate the wastewater to a higher level. This way, the raw sewerage continues its path to the final stage, i.e., the water treatment.

The complete mechanism of the lift station is pretty interesting because the main principle is maintaining the higher elevation throughout the process. There are two different types of lift stations that professionals can choose. i.e.:

  • Drywall
  • Submersible Pump


While the working mechanism of both pumps is different, their job is the same. The submersible pumps are more modern and can handle the task more efficiently. However, the drywall is limited.

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