Knowledge Base

What is a lift station (pump station)?

A lift station (or pump station) is a facility that mechanically pumps wastewater or stormwater uphill, or up to a higher-pressure main, when gravity alone can't move it to the treatment plant or the next point in the system.

A typical lift station has a wet well that collects incoming flow, submersible or dry-pit pumps, a control system, and a force main that carries flow under pressure back to a gravity line or treatment works. Most municipal design standards require duty and standby pumps plus emergency power or bypass pumping capability. A lift station failure is a direct path to a sanitary sewer overflow.

Lift station rehabilitation and replacement (pumps, controls, and the wet well structure itself) is a recurring, standalone bid category, separate from pipe or main rehabilitation. It is often the largest mechanical and electrical equipment line item on a water or wastewater project. Pump make, model, horsepower, and quantity are named-product spec details that matter to a contractor pricing the mechanical scope and to a pump supplier or rep looking for live projects that specify their line. Nonlinear extracts that information when it reads a spec section.

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