Basement Catch Basin Smell

Updated on June 24, 2011
N.M. asks from Chicago, IL
7 answers

Hi there -- have a question about the catch basin in my basement. This is the first home I've owned and the first I've lived in that has a basement. The home is 60 years old and we are in the midst of repairing it pretty much from the ground on up. We have a catch basin (if that's what it's called), which is a 2 foot deep rectangular hole in our basement that the water from our washing machine and sink go into, which water then runs into a pipe and out of the house. No matter what I've tried to get rid of the sometimes eggy smell, and more often mildewy smell, nothing works. I've been to Menards, Home Depot, Ace, online; have tried scrubbing w/ bleach and other solutions as advised by the people/sites I've visited. Nothing works! It gets very bad in warm weather (90 degrees today, so am looking fwd to the smell as it wafts up through our open floorplan). I really need this fixed and should prob just get a plumber as I believe the pipes should be replaced, but do any of you know of a quick fix in the meantime until we undertake this project? Am guessing I'm doing everything I can already, but hoping someone out there has successfully, if temporarily, gotten rid of this smell. Thanks all!

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So What Happened?

Discovered the thing i'm talking about is called an Ejector pump from the washing machine (and not a catch basin, which is located outside w/ the septic field). The problem we are experiencing w/ smell is the basin needs scrubbing at least once a week in our case. What we are going to do to further cut down on the smell is fashion a cover for it out of a rubbermaid lid. Easy peasy! Thanks to you all for your advice and help, and we will definitely save and take into account all advice when we are ready to replace plumbing. Happy Memorial Day all! :)

More Answers

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R.

answers from Chicago on

We had the same smell coming from our sump pump, we put a small amount of bleach in the standing water, we got a dehumidifier and we put white vineger in small cups in ever corner of the basement. The dehumidifier and vinegar really did the trick. We refilled the vinegar as it dissipated, we did that for about two weeks.

Hope this helps.

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J.R.

answers from Chicago on

I would call Permaseasl in Downers Grove. Theyrtake care of all of these kinds pof problems. We also use Dahmer Plumbing. They seems reliable. It's depends if the catch basin goes into your sewer or not, just be prepared, it might be a pricey fix, but it'll probably be worth it.

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B.G.

answers from Chicago on

What you have doesn't sound like any kind of catch basin I've ever seen, nor is it an ejector pump or sump pump or, obviously -- due to the lack of a pump -- any kind of pump. If it is essentially dry in the "basin" between uses, I would guess that it's some type of laundry-tub for the water to go into until it can drain out of the house. (By the way, another clue to the "pump" issue is the lack of a pipe going UP out of the basin into piping that would be located at least somewhat above it. A catch basin's purpose is to literally "catch" soap and fats from pipes feeding into it from sinks all over the house, your bathtub and washing machine and washtubs. Often, drain lines come into it from pipes that connect it to your downspouts. The soaps and fats float in a constant pool of water in the catch basin and generally form a thickened ball or layer on top that should be removed every year or so. When the catch basin gets too nasty, there are companies that come out with tanks and suck out the contents. The better ones also scrub down the walls and add some lime as a deodorizer. Also, since many catch basins are brick, at this time it is good to have someone (hopefully the same service) check to see if any tuckpointing or brick replacement needs to be done. Oh.... The water exits the catch basin -- via gravity when the water reaches a certain level -- thru a pipe near the bottom of the basin. A catch basin usually also has a heavy sewer-cover-type lid. It's easy to check which sinks, etc., feed into it by simply having one person watch the pipe that comes into the basin and another person go and pour/draining several gallons of water down each sink or other draining fixture and see which ones result in water entering the basin. The toilet should definitely NOT drain thru the catch basin. If it does, contact a plumber right away as this is a highly unsanitary situation.

Most people have their laundry tubs drain out thru the same plumbing lines that their sinks and bathtub go into. I'd guess that the main reason for your odor is that you have an open permanently damp line going to the outside. If a trap can be added to it, that could just about end the odor issue. Water would stay in the trap and prevent the pipe from venting back into your basement. If you have any floor drains, you can redirect the water from your washer out thru a floor drain, I don't know how effective that would be long term. Or, as I mentioned at first if you have any wastewater pipes that go thru your basement that would be the ideal solution, drain straight into sewer system and call it a day. (The wastewater line would have to be at least a little lower than the water outlets from your sink and washer.)

The cheapest, easiest solution (if I'm right about what you're looking at there) is to add a normal washtub with legs. Have a regular trap coming off the drain of the washtub and run PVC piping from there and out of the house (make sure you have a slight downhill slope on the pipe). I'd guess you could run it out straight thru where the pipe runs now. The outside end has to either come out into the air (put a screen over the end so you don't have visitors using it to come into your house); OR, dig a dry well outside the house somewhere (basically a pit full of gravel a couple of feet deep or so and under 6 inches to a foot of soil. Make sure to leave a note to yourself, wherever you keep your other maintenance files, about where it is, or you'll never find it again; Or you could run your pipe out into your draintile or bubble pot.

I know that this is probably more information than you wanted, but I don't have your house to look at so I wanted to cover the bases. Oh, lastly, anybody that does have an actual catch basin, using those packets once a month that they sell for septic systems sets up a good bacterial colony and helps eat up some of the crud and then, when it gets a bit stinky, put lime in your basin in the correct amount for your size/style of catch basin (ask either a plumber or somebody who actually knows something about these systems). Good luck !

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H.G.

answers from Chicago on

have to agree with Jen about dahmer plumbing, my fiancee owns a remodeling company and uses dahmer for 95% of our projects, i believe they are out of wheaton and the owner's name is Jim, i believe Tom is also a man in charge over there. you can definitely call them for honest advice on the subject.

good luck!
H.!

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A.F.

answers from Chicago on

This is a good one...we had the same problem and my husband put a tupperware bowl over the drain...and well....no more odors. HA

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A.S.

answers from Chicago on

Nancy,
Yes, you have a catch basin. This was one of the projects that quickly became a priority at our house soon after we moved into it. Our catch basin was INSIDE our basement! It was never relocated when someone enlarged my house in the 1930's!!! Because of the smell you describe, make sure a plumber determines the source of everything that goes into your catch basin. It sounds like you have some food particles going into there. This was the case at our house. Some sewer companies will clean catch basins. This is something that should be done every 2 to 3 years. The best way to clean a catch basin, though, is to bypass it altogether. This was an undertaking, but a necessary expense for us, since there was no other way for us to remedy this unsanitary condition. After our pipes were replaced and rerouted, they put some cement in the bottom of our catch basin.
Permidt engineering is a reputable company. They are located in Franklin Park, I believe. I suggest you call them for advice.
Good luck settling into your home.
Amy

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J.

answers from Chicago on

Our catch basin is outside of the basement, but we had the same problem with odors a few years ago. It turned out that where the water meter came in from outdoors, the floor had been left unfinished. And it was just a couple of feet from the catch basin on the other side of the outside wall, so the odor would come in through the dirt floor. Our plumber was able to fill in the dirt with concrete, which fixed the problem. Not very helpful if the catch basin is inside, I know.

But they gave us another suggestion, which we didn't have to do - they said to buy lime from the hardware store and pour it into the catch basin as a deodorizer. You should check with someone to find out how much, but I'm pretty sure it was lime.

Also, you should have the catch basin cleaned every few years. It costs us about $100.

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