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Septic smell in master bathroom

Posted on 12/28/23 at 7:53 pm
Posted by drfeelgood
Member since Jun 2007
3375 posts
Posted on 12/28/23 at 7:53 pm
About a week ago we started smelling an odor in our master bath. It has progressed to outside of our home and when our sprinklers discharge, it smells terrible.

What are some things I should look at before calling a plumber, or am I beyond that and need to call asap?
Posted by TimeOutdoors
AK
Member since Sep 2014
12126 posts
Posted on 12/28/23 at 7:56 pm to
On a septic system? If so last time it was pumped?
Posted by drfeelgood
Member since Jun 2007
3375 posts
Posted on 12/28/23 at 8:02 pm to
We Moved in 5 years ago. It was a new build.
Posted by LSUSports247
Member since Apr 2007
675 posts
Posted on 12/28/23 at 8:14 pm to
I would have it pumped out. It’s probably about to back up in your house….
Posted by gerald65
Moss Bluff, LA
Member since Jul 2020
710 posts
Posted on 12/29/23 at 12:40 am to
quote:

We Moved in 5 years ago. It was a new build.

Question.... how many people live in the house. Do you and/or your wife put lots of food "waste" down the disposal?

If you have a family of 4 or more and use the disposal a lot, then it might be time to have the septic tank cleaned out. But, that is probably not your problem .... unless the septic tank is starting to "back up" and sewage is staying in the pipes.
Can you see the water coming out of the septic tank?

Do you have City water or a well? How would you describe the "smell"? Is it sewerage or "rotten eggs"? If you have bath tub or shower that is not use at all, run some water there for a minute or two to be sure there is a water "seal" in the P-trap.

Another thing to carefully check is your toilets. Check to see if toilet is connected "solid" to the floor or is there any wobble when trying to move it sideways? Also look carefully around the base of the toilet to see if there is any brown color. This would mean the wax seal is bad a needs replacing. This could be your problem, but you said the smell is also outside?

You also said the yard sprinkler heads have a bad smell. I would turn on the sprinkler system and run it until the smell goes away. Maybe only run the sprinkler 30 minutes and repeat a few hours later to keep your yard from getting too wet.
This post was edited on 12/29/23 at 1:05 am
Posted by jamiegla1
Member since Aug 2016
7016 posts
Posted on 12/29/23 at 6:57 am to
I was thinking bad wax ring until you said the sprinklers. thats odd
Posted by 801Bengal
Lafayette
Member since Nov 2016
261 posts
Posted on 12/29/23 at 7:54 am to
As others have said maybe time to have it cleaned. The other thing I would check is if the aerator is working. Not sure what kind of system you have, but some have bubblers attached to a hose that can clog and reduce the aeration. Stagnant septic system will smell horrible when the sprinklers kick on. Being the sprinklers are kicking on it’s not a pump issue. Verify aeration and then get someone to clean it.
Posted by BiggerBear
Redbone Country
Member since Sep 2011
2928 posts
Posted on 12/29/23 at 11:59 am to
quote:

The other thing I would check is if the aerator is working. Not sure what kind of system you have, but some have bubblers attached to a hose that can clog and reduce the aeration.


This would be the first thing that I would check. Make sure the air pump is running and that no breakers are tripped.
Posted by VABuckeye
Naples, FL
Member since Dec 2007
35629 posts
Posted on 12/29/23 at 12:00 pm to
Rid-X

The sprinklers are the big clue.
This post was edited on 12/29/23 at 12:02 pm
Posted by Bow08tie
Louisiana
Member since Oct 2011
4237 posts
Posted on 12/29/23 at 1:06 pm to
If you have a drain (sink, jacuzzi tub, shower, etc.) that isn't used often run fresh water in said drain to freshen the pee trap water. As a potential source of sewer smell.
Posted by Uncle JackD
Member since Nov 2007
58669 posts
Posted on 12/29/23 at 3:45 pm to
I had this issue a few years back. I assumed it was the toilet so we called in a plumber. Come to find out, it was a dead rat that had got trapped under our tub! It was a mess.
Posted by fightin tigers
Downtown Prairieville
Member since Mar 2008
73681 posts
Posted on 12/29/23 at 4:04 pm to
Is your sprinkler system fed by your septic system? Serious question.

If so your aerator is likely not working and you are feeding raw sewage through the system. As for the smell in your bathroom, make sure all your pea traps have water. If there is a sink or tub you don't use often they can be the source of drying up and allowing gas back through.
Posted by LSUfan20005
Member since Sep 2012
8823 posts
Posted on 12/29/23 at 5:50 pm to
Just to make sure - Are your sprinklers watering your drain field? Any chance you are overloading the field between house usage and sprinklers?

What’s your soil type?
Posted by drfeelgood
Member since Jun 2007
3375 posts
Posted on 12/29/23 at 9:39 pm to
Just getting back to the thread.

My sprinklers are fed by the septic system. These aren’t for irrigation purposes.

We don’t have any sinks or tubs that don’t get used regularly, so I’ll rule out the p traps being dry.

I’ve read about the wax ring possibly being bad and possibly the vent pipe could be clogged.

Regardless, I called a plumber and they will be out here Tuesday to inspect the system. While I was at it, I scheduled a septic pump out. I’ll check the aerator tomorrow.

Thanks for all the suggestions. I just can’t understand why the smell is only in our master bath.
This post was edited on 12/29/23 at 9:42 pm
Posted by LSUDad
Still on the move
Member since May 2004
58907 posts
Posted on 12/30/23 at 1:41 am to
Wax ring.
Posted by OldSouth
Folsom, LA
Member since Oct 2011
10943 posts
Posted on 12/30/23 at 9:41 am to
quote:

My sprinklers are fed by the septic system. These aren’t for irrigation purposes.
Can someone explain what this means?
Posted by fightin tigers
Downtown Prairieville
Member since Mar 2008
73681 posts
Posted on 12/30/23 at 10:21 am to
Your septic system puts out clarified, but untreated water on the tail pipe.

It us argued that you could technically drink the water out the other end when operating properly. There is just no chlorination/testing/etc.

So, in situations where you might not have access to a ditch or runoff area, or just want to capture instead of waste, you can retain the water in a tank and use it for irrigation. Usually the systems tend to be limited to one or two heads. Although if you use microrotors with a realy low gpm output you could get more coverage.

In his case of not using them for irrigation, not sure. Maybe he just sprays water during the day to evaporate it more quickly.

This post was edited on 12/30/23 at 10:25 am
Posted by OldSouth
Folsom, LA
Member since Oct 2011
10943 posts
Posted on 12/30/23 at 10:48 am to
Thanks, I didn’t know such a thing existed.
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