What are some signs your dishwasher filter is dirty?

• <div><p>Some common signs you have a dirty dishwasher filter are:</p><ul><li><p>Food sticking to your dishes even after a thorough wash cycle</p></li><li><p>Odor coming from your dishwasher</p></li><li><p>Stains left on dishes and utensils</p></li><li><p>Water pooling in your dishwasher</p></li><li><p>Food stuck to parts of the dishwasher, like the racks, walls, or sprayer arm</p></li></ul><p></p></div>

Why does a dishwasher have to drain through the sink plumbing?

• <div><p>Any drain in your house requires a water trap to prevent sewer gases from entering the home. Dishwashers don’t have an internal water trap, so they must use an external P trap. The most convenient P trap for the dishwasher is already in the plumbing under your sink.</p></div>

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Verified Reviews for Dishwasher Installation pros in Olivette, MO

*The Angi rating for Dishwasher Installation companies in Olivette, MO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Dishwasher Installation needs.

*The HomeAdvisor rating for Dishwasher Installation companies in Olivette, MO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Dishwasher Installation needs.

Last update on April 22, 2026

Reviewed in April 2026
We had our fridge replaced through Hoffman. During this visit, one of technicians turned off the water line to our dishwasher. They didn?t turn it back on or tell us they did this. When we tried to run the dishwasher it caused severe damage due to overheating and filled our kitchen with smoke...
Hoffmann Brothers
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Reviewed in January 2026
Matt has done a great job replacing my dishwasher and kitchen sink. Would recommend him for anyone need plumbing project plans.
Go Time Plumbing Services
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Reviewed in December 2025
Friendly, professional, great communication, easy to contact. Dishwasher installed professionally and it looks and works great! Thank You!!
Ducky Drains LLC
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Reviewed in September 2021
Cynthia the owner was friendly and very helpful. The installers were knowledgeable and cleaned up after completion.
C&R Communications
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Reviewed in July 2021
Experienced installer that worked quickly and efficiently.
CVM Enterprises, Inc.
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Reviewed in March 2021
When our new dishwasher was delivered, the plumber informed us that our electric wasn't up to code so he couldn't install. Desperate for an electrician, we called Streib and they had someone to us within the hour. Carson was professional and wore a mask the whole time. We will definitely use...
Streib Company
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Reviewed in January 2021
Initial phone call was answered promptly. Appointment was made and reminder phone call was made to us. When repairman wasn't here close to end of window given us, a call to the office got a quick and accurate reply. Repairman identified the problem, told us what the total cost would be up front....
All American Appliance Service Inc
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Reviewed in May 2020
Scott did a great job. He leveled the dishwasher and when I mentioned my garbage disposal was making crazy noises, he also removed two pieces of broken glass and solved that problem too! Highly recommend.
SHC
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Reviewed in February 2020
Steve and his partner installed my new water heater quickly and efficiently this morning. They were very skilled at their job and did an extremely clean installation. I would highly recommend Anytime Plumbing Services to anyone needing plumbing services. James Beeman
Anytime Plumbing Services
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Reviewed in October 2019
The installation was done quickly and professionally. Their price was a very fair one and I am very pleased with their whole company.
Anton's Plumbing, Heating/Cooling Energy Experts
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Dishwasher Installation questions, answered by experts

Some common signs you have a dirty dishwasher filter are:

Food sticking to your dishes even after a thorough wash cycle
Odor coming from your dishwasher
Stains left on dishes and utensils
Water pooling in your dishwasher
Food stuck to parts of the dishwasher, like the racks, walls, or sprayer arm

Water is sitting at the bottom of your dishwasher, likely because the filter is dirty with food debris or because the drain hose has a clog. If the water is still sticking around after following the steps above, it’s time to contact a local plumber.

Any drain in your house requires a water trap to prevent sewer gases from entering the home. Dishwashers don’t have an internal water trap, so they must use an external P trap. The most convenient P trap for the dishwasher is already in the plumbing under your sink.

Repair costs vary by issue, typically from $100 to $500, depending on the parts needed and labor involved.

When a dishwasher discharges its wastewater, it uses a pump to quickly move a lot of water. If anything in the drain line or the garbage disposal impedes the high volume of water, it will back up into the sink through the drain or the garbage disposal. Following regular dishwasher maintenance tips like clearing clogs, keeping them cleared, and occasionally running the disposal will eliminate the problem.

The Olivette, MO homeowners’ guide to dishwasher installation services

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