
Sewage Ejector & Grinder Pumps
Sewage ejector pumps and sewage grinder pumps, though similar in being submersible pumps, serve distinct functions and are often confused with sump pumps. Sewage ejector pumps are designed to lift wastewater and solids from lower areas, like basements, to a higher sewer line, while sewage grinder pumps break down solids into a fine slurry for easier transport, especially over long distances or high-pressure systems. Unlike sump pumps, which handle excess water from basements, ejector and grinder pumps manage wastewater and solid waste, each tailored to specific needs within your plumbing system.

The best way to figure out what you have is to know the purpose:
Sewage Ejector
A sewage ejector is designed to move sewage from a lower elevation to a higher one. This pump is essential for locations where gravity alone can't facilitate the flow of waste, such as from a basement or below-grade bathroom to a septic tank or a gravity-flow sewer main. The ejector works by collecting sewage in a basin and then using a powerful pump to eject it upward to the desired location. This ensures that waste can be transported efficiently, even when the main sewer line is at a higher level. Sewage ejectors are typically used in residential settings where sewage needs to be lifted to overcome gravitational challenges.
Sewage Grinder
A sewage grinder is designed to process and pulverize solid waste into a slurry, or mush, to facilitate its movement through a pressurized sewer system. Unlike sewage ejectors, which lift waste to a higher elevation, grinders break down waste into a more liquid form, making it easier to transport through pressurized lines and into the main sewer system. This type of pump is essential for properties connected to pressurized sewer mains, as it helps prevent clogs and ensures smooth waste flow.
While both sewage ejectors and grinders are capable of supporting long-distance pumping, their applications differ based on the destination of the sewage. Sewage ejectors are typically used with septic systems where the waste needs to be lifted, whereas grinders are preferred for pressurized sewer mains where waste needs to be liquefied. In some cases, either system could be applicable, so it’s crucial to consult with a knowledgeable residential wastewater technician to determine the best solution for your specific needs. Proper servicing of these systems requires expertise in both plumbing and mechanical systems, ensuring that they function effectively and efficiently.
Understanding the difference between sewage ejectors and sewage grinders can help you determine the right system for your needs.


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“Our septic system backed up and we knew we needed some repairs to get it back in working order. I called Macho Contracting and Alfredo, the owner, came out the same day to take a look. Immediately, Alfredo diagnosed the problem and took the time to explain”- Adam R.
“Incredible Team!”
Our septic system backed up and we knew we needed some repairs to get it back in working order. I called Macho Contracting and Alfredo, the owner, came out the same day to take a look. Immediately, Alfredo diagnosed the problem and took the time to explain how the whole system works and why he felt this was the problem.- Adam R.
He was very kind to answer all of my questions in detail. He also took the time to assess the access into our yard and determined we could not get a drill rig in to bore a new seep pit.
He recommended that we change the system to a leach field for better operation.
I called around and got more opinions and quotes, however nobody seemed as knowledgable or trustworthy as Alfredo.
Alfredo and his team got us scheduled for the job within a few days and performed the work. His team was amazing, they are so nice and courteous. They dealt with me asking questions everyday and truly cared about making me comfortable with what they were doing. On a side note, Joel is an amazing equipment operator, he took great care when trenching to miss all of my irrigation pipes.
I will be using Alfredo and Macho Contracting for all of my plumbing needs moving forward, in fact we already have them scheduled to do an ADEQ certification on a house we are selling as Alfredo and Joel are certified NAWT/ADEQ Inspectors.
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“I had an issue with the lift station for my septic system and the company that I previously used stopped doing residential repairs. After many calls to other companies with no luck at all, I finally happened upon Macho Contracting.”- Nancy L.
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I had an issue with the lift station for my septic system and the company that I previously used stopped doing residential repairs. After many calls to other companies with no luck at all, I finally happened upon Macho Contracting. Alfredo Zapata returned my call within an hour and had the problem diagnosed and fixed the same day. His professionalism and expertise was a welcome change!
