An Alarm on Your Grinder Pump
If your property is on one of the city grinder units, an alarm means the tank is not clearing. Stop running water and call before it backs up indoors.
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OUR SERVICES
Drain cleaning for Johnston homes and businesses, including properties on the city grinder pump system. Cabling, jetting, and camera verification.
OVERVIEW
Johnston has a wrinkle most metro suburbs do not. Alongside its gravity sewer, the city maintains roughly 341 grinder pumps serving properties where the terrain will not let waste flow downhill on its own. If your home is on one, the symptoms of a drain problem look different, and so does the fix. Knowing which system you are on before cabling anything saves a lot of guessing.
The rest of Johnston is fairly young pipe. Median build year is around 2004, and the city drinks water purchased from Des Moines Water Works and distributed through 117 miles of Johnston main. Newer PVC means the blockages we pull are almost always things that went down the drain rather than a pipe giving up.
All work is performed in compliance with the 2024 Uniform Plumbing Code as adopted by the State of Iowa.

WARNING SIGNS
Some of these point at the drain. Some point at a grinder pump. Both are worth a call.
If your property is on one of the city grinder units, an alarm means the tank is not clearing. Stop running water and call before it backs up indoors.
A shared branch or main line restriction, not an individual trap. A plunger will not reach it.
Grease clings at every fitting even in newer PVC. A predictable clog schedule means the pipe wall is coated, which is a jetting job.
They pass the toilet, then stop at the first grade change. In Johnston homes built since 2000 this is the most common main line find.
Air pushing back through the lowest drain in the house is a partial main line blockage giving early warning.
Most often a trap that has dried out in a seldom used bathroom. Worth confirming rather than covering with an air freshener.
DRAIN CLEANING SERVICES
Residential, commercial, gravity fed, and grinder pump properties.
Grease and food waste, the two most common causes of a Johnston kitchen backup. We check whether the disposal itself is the real problem.
Hair and soap mat at the trap arm and the branch tee. We pull it out instead of relocating it downstream.
Obstruction cleared, then a check on the flange and wax seal, both of which often take damage during a backup.
The first fixture to show a main line problem, and the one people notice last.
The private lateral from your home to the Johnston main is yours to maintain. We cable or jet it, then camera the full length.
Johnston clinics, offices, schools, and apartments on scheduled jetting rather than reactive emergency calls.
WHY CLOG BUSTERS
Identify the system, clear the line, and prove the result on camera.
First question on a Johnston call: is this property on gravity sewer or one of the city grinder pumps? The answer changes the entire approach.
Cable for solids and roots, hydro jetting for grease, scale, and construction debris left behind in newer builds.
We record the run so you can see condition and slope rather than take a verbal summary of what we think is down there.
Johnston requires trade contractors to register with the Building Department before a permit can be issued. There is no fee, and we keep ours current.
Full volume down the line to confirm it carries, then the work area goes back the way we found it.
FAQ
Still stuck? Call the Des Moines shop at (515) 259-1991.
There will be a control panel and an alarm, usually on an exterior wall or in a utility space, and a tank lid in the yard. Johnston maintains roughly 341 of these units citywide. If you are not sure, we can tell you on site in a minute.
For installation and repair, yes, through the Johnston Building Department. The city also requires trade contractors to be registered with the department before it will issue a permit, which is free but not optional. Routine drain cleaning does not require one.
Newer PVC does not stop grease, wipes, or hair from entering it. In homes built during the 2000s we also pull construction debris that was rinsed down a drain during the build.
Yes, and they are the most common main line blockage we remove in Johnston. They clear the toilet and then stop at the first fitting or change in grade.
Not in sound pipe, which is what most Johnston homes have. We camera first, and if the line is already compromised we say so rather than jet it.
The property owner. Johnston Public Works maintains the public collection system and the grinder units, and the private lateral is yours from the building out to that connection.
Every main line. A single slow bathroom sink normally does not justify it, and we will say so instead of adding it to the bill.
About a seven mile run for us, and we operate 24 hours a day, so same-day service is the norm and active backups get priority.
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