Liberty Plumbing
Painted illustration of a plumber running a drain cable into a ground-level sewer cleanout
Plumbing Service

Sump Pump & Sewage Ejector Pump Installation & Repair

Most Phoenix homes sit slab-on-grade with no basement. But the ones that do have basements or below-grade rooms, plus high-country homes around Flagstaff and Prescott, need a working sump pump or sewage ejector pump to stay dry. When a monsoon storm dumps an inch of rain in twenty minutes, the pump in your basin is the only thing between you and a flooded floor. We install, repair, and replace both sump and ejector pumps, and we make sure they actually run when the storm hits.

Book onlineOr call, 24/7(623) 473-0555

Same-day on most calls. Upfront pricing before any work.

What it costs: Quoted by pump capacity and what the install needs: basin, check valve, discharge routing and whether you want battery backup. We size to the water you actually get, not to the biggest pump on the shelf.

Signs you need sump pump & sewage ejector pump services

  • The pump runs constantly, won't shut off, or cycles on and off rapidly
  • Water standing in the basin or on the floor near it, especially after rain
  • The pump is silent during a storm when it should be running
  • Sewage odor from a basement bathroom or laundry served by an ejector pump
  • The pump is more than 7-10 years old and has never been tested or serviced

How we handle it

  1. Match the pump to the job

    A sump pump moves groundwater and storm seepage; a sewage ejector pump moves wastewater from fixtures below the main sewer line and needs a sealed basin and proper venting. We confirm which one you actually need and size it to your inflow, not a one-size box off a shelf.

  2. Install for reliability when it counts

    We set the basin, plumb a proper discharge with a check valve so water doesn't run back, vent ejector basins correctly, and test the float switch under real conditions. Where flooding would be costly, we talk through battery backup so a monsoon power outage doesn't equal a flooded basement.

  3. Test under load and document

    We don't just plug it in and leave. We fill the basin, watch the float trip, confirm the discharge flows and the check valve holds, and show you how to test it yourself before each monsoon season.

What to know about sump pump & sewage ejector pump services in Arizona

A sump pump and a sewage ejector pump look alike and get confused constantly, but they do very different jobs and you can't swap one for the other. A sump pump sits in an open basin and moves clear groundwater or storm seepage away from the structure. It's a flood-prevention tool. A sewage ejector pump sits in a sealed, vented basin and moves actual wastewater, solids included, from a bathroom or laundry located below the main sewer line up to where gravity can take over. The ejector needs the sealed basin and vent to handle sewer gas safely, which is why installing the wrong one creates an odor and code problem on day one.

Arizona's monsoon season is exactly when these pumps earn their keep and exactly when they're most likely to fail you. A storm can drop a stunning volume of water in minutes, overwhelming a marginal pump or exposing a float switch that's been stuck for months without anyone noticing. Worse, monsoons knock out power, and a sump pump with no battery backup is just a paperweight during the outage. For any home where a flooded lower level means ruined flooring, drywall, or stored belongings, a battery backup pump isn't a luxury. It's the whole point.

The unglamorous truth about pumps is they fail from neglect more than from age. The number-one killer is a float switch that gets hung up on the basin wall or on debris, so the pump never gets the signal to run. Check valves wear out and let pumped water drain back into the basin, which causes constant short-cycling that burns out the motor. Sediment and grit chew up impellers. None of it announces itself until the day you need the pump and it's silent. A few minutes of testing before monsoon season catches almost all of it.

Sump Pump & Sewage Ejector Pump Services across Arizona

We provide sump pump & sewage ejector pump services throughout the Phoenix metro and Northern Arizona high country:

Sump Pump & Sewage Ejector Pump Services, frequently asked

Do I need a battery backup for my sump pump?
If a flooded lower level would damage flooring, drywall, or your belongings, yes. Monsoon storms bring the heavy water and the power outages at the same time, which is exactly when a backup keeps pumping while the grid is down.
How often should a sump or ejector pump be tested?
At a minimum, before each monsoon season. Pour water into the basin, make sure the float trips the pump, and confirm it discharges and the check valve holds.
Can I put a regular sump pump in for my basement bathroom?
No. A bathroom below the sewer line needs a sewage ejector pump in a sealed, vented basin to handle solids and sewer gas safely. A sump pump in that spot is a code and odor problem.
Do I need a battery backup for my sump pump?
If a flooded lower level would wreck flooring, drywall, or belongings, then yes. Monsoon storms hand you the heavy water inflow and the power outages at the same time.
How often should a sump or ejector pump be tested?
At minimum before each monsoon season. Pour water into the basin, make sure the float trips the pump, and check that it discharges and the check valve holds.
Can I put a regular sump pump in for my basement bathroom?
No. A bathroom below the sewer line needs a sewage ejector pump in a sealed, vented basin to handle solids and sewer gas safely.

Same-day serviceUpfront pricing before any work