Questions tagged [sewer]

For questions regarding the underground pipes that carry foul or "black" water to a treatment works.

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7 views

Connecting water system drain line to sewer

I’m replacing my water filtering and softener system. The only drain we have in the basement is connected to the sewer pipe. The drain line for the old system are T’ed together and connected to the ...
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2answers
381 views

Can I connect a 90 degree tee to my plumbing that goes straight down?

I currently have a kitchen sink on the first floor which leads to a vertical pipe (illustrated in black). I would like to connect a bathroom sink to the same vertical pipe (illustrated in orange). Can ...
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30 views

Sulphur Smell in house when dishwasher is unloaded

I'm going crazy. I have had a sulphur/sewer smell going through A/C vents for 6 weeks. As soon as I smell it, I turn air off for a while ... then it's OK. IT ONLY HAPPENS 1 TIME A DAY. I've had A/...
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39 views

Best backflow prevention for sewer surges from storms

I have a townhouse in New York City that is on relatively high ground but has had stormwater and sewage backup during intense short-burst periods of rain. What is the most effective way to prevent ...
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1answer
78 views

What considerations should I make when demolishing a driveway?

I have a really long concrete driveway, and we'd like to turn the back half of it into part of the backyard. From this: To this: I'm hiring a demolition contractor for this task, but I'd like to ask ...
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1answer
57 views

Can a sewer vent pipe be rerouted?

We are adding a new shower and want to extend it by a few inches. But behind it is a sewer vent that has a bump out framed around it. It is on exterior wall and the roof is directly above it. Can it ...
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1answer
35 views

New Kitchen sink poor drainage

After installing a new sink water backs up too quickly. If I remove the whole construction and pour directly into the sewer line it flows fine, so no line clog. I think I did mistake in positioning p-...
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2answers
72 views

Will the InSinkErator Evolution Compact garbage disposal fit under this sink without modifying the plumbing?

I'm trying to help out an elderly friend with a plumbing issue. He doesn't know anything about plumbing, and I don't consider myself very knowledgeable in the field. His sink currently has an ...
16
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1answer
3k views

Is abandoned sewage pit hazardous?

I own a family house that used to until about 20 years ago have a sewage collector pit in use. It has been abandoned for about 20 years now. It has concrete walls and roofing and gravel on the bottom. ...
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4answers
3k views

Strange suction in toilet and sink, like a vacuum in the sewer pulling the water out

This is hard to explain.. But I was sitting in my bedroom when all of a sudden my toilet started draining, then the sinks in the bathroom started pulling air in, then when the water from the toilet ...
2
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4answers
197 views

Can I Run Electrical Wire through sewage pipe/ vent

I'm trying to run new electrical wire from the basement to my 3rd floor apartment. There’s a cast iron vertical sewage pipe that goes in the exact route I’d like the wire to go. But there would be ...
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2answers
142 views

What is this pipe? It leaks when the sink runs

I have a pipe that is halfway under a door jamb and inside the concrete floor which when I run a the sink water is now coming out of it. This pipe is next to our AC blower unit inside the basement. I ...
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1answer
38 views

Sewer Line Opening - Makeshift Vent or Rodents?

In the crawl space beneath my house, the sewer line has a branch that runs right to the crawl space entry/vent. The end cap has a jagged hole: Not sure if it's been that way since I bought it (...
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4answers
1k views

What do I use for backfilling septic pipe leaving my home?

I have a 4" PVC septic pipe leaving my house on the cinder block wall about 4 feet below my house. There was a crack inside of the part where it leaves the house and I need to replace it (from ...
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1answer
81 views

What is the material leaking out of my plumbing drain stack?

This has been happening since about a month after we moved and we noticed a fluid leaking out of this pipe. It seems to be a sewage pipe. Whenever we flush, we can hear the water running down this ...
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2answers
239 views

Laundry drain smells like sewer after washing clothes

I have an in-wall laundry drain - pictured below. Since we moved in it had a significant clog which I unclogged with a combination of wet-vac sucking on the drain and snaking the vent pipe. Finally we ...
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859 views

Sewer Smell in High Rise Apartment

I rent an apartment in a new high-rise and I´m on the 15th floor. Weird smells are in both of my bathrooms, with one being a lot stronger burdened with smell than the other. In irregular patterns ...
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2answers
42 views

What things to watch for when installing sewer line in the basement under 15" concrete slab

I am going through a major renovation in my house which involves excavating 7'6" basement and pouring seismically strong 15" slab as a floor. The house is pretty high on the hill and ...
3
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2answers
613 views

How to seal these sewer clean outs?

I have these caps just outside of my house that I’m assuming are sewer clean outs. The problem is the pipe is all corroded and the caps are PVC that are just set on top of it. They don’t seal as there ...
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1answer
65 views

Is it normal to smell sewer gas from a plumbing vent?

We have a second floor room that is centered on top of the house - but this means that the windows of this second story are ABOVE the plumbing vents from the first floor. These plumbing vents are a ...
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1answer
139 views

Basement Smell in Utility or Bathroom?

In our house, we have a partially below grade basement. Occasionally, our basement will smell like sewer gas (farts) but I can not determine where the smell is coming from. The basement does have ...
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1answer
32 views

Clogged downspout pipe

My downspout, next to a stucco wall, used to go into a cast iron pipe. Recently, the water must have gotten behind the stucco and in the winter, the stucco wall collapsed, pushed the downspout out of ...
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4answers
336 views

Will separate dishwasher drain cause sewer gases and wet dog smell?

Will this separate pipe for dishwasher cause sewer gases to enter into cabinet and dishwasher to get wet dog smell? The separate dishwasher pipe design - at top of pipe is a 2” Wye fitting - one side ...
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1answer
594 views

Sewer smell in bathroom ONLY when central a/c is on and kitchen sink is running water

This is a weird one, and have come across multiple handymen and none of them can pinpoint the problem when I describe it. Though they have never been in the room when it happens. Here is the scenario.....
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52 views

How To Neatly Cover an Indoor Sewer Cleanout?

I am currently renovating my room and realized that there is a wall popping out. It was bothering me because it would be an obstruction when placing new furnitures. I removed it and planned to make ...
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2answers
154 views

In-place sewer cleanout tee replacement?

I had a contractor roll over a sewer cleanout with some heavy machinery. It looks like the contractor may have amnesia about the damage and reporting to his insurance, so I may be out of luck and need ...
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1answer
44 views

External sewage pipe damaged

I recently had some tree service done to my yard by a contractor, which required them to drive heavy machinery through the lawn. It was pointed out to me that they drove over and damaged an external &...
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2answers
107 views

Which of these is the sewer cleanout

I’m trying to locate the sewer cleanout. I found a box that looks like it contains it but there are 3 separate plugs. Which one should I use? I also found this which I’m guessing is something else
3
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1answer
296 views

Sewage coming out of concrete in basement floor

My basement has been flooding a little (1-inch or so pooled around a ~20 square foot area) for the past week or so. Whenever I pump out the water, new water starts seeping back in from through the ...
2
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2answers
117 views

Should I avoid running conduit above sewer line exit on basement wall?

The prior owner of our house had an epoxy repair made on the basement wall where the sewer line exits (see images). We've lived here for 20 years and this repair is solid; there have never been any ...
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1answer
129 views

Toilet Refuses to Flush

Earlier this month, we starting having problems with our sewer line; it began with the downstairs toilet flushing very slowly, then not flushing at all, then backing up when the upstairs was flushed. ...
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1answer
287 views

Cost-effective root barrier for home sewer line

We have 2 trees growing in the same area of our house front yard as the sewer line. As shown in the picture below, one tree is about 5ft away from the line, and the other, about 20ft away. I assume ...
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2answers
1k views

Sewage smell from kitchen sink area

(An update is below the pictures.) We just moved to our house in November and had to buy a new dishwasher. We had installers install it for us. A couple of months ago, we started noticing a bad odor ...
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1answer
103 views

Gray water pit ( bleach or no bleach )

I installed a ( 4’x 4’x 32’) gravel bed gray-water pit in order to relieve the load on my 20 yr old septic tank. I also placed a (4” x 3’) septic-tank effluent bristle brush in the feed pipe going ...
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0answers
110 views

how to reroute black sewer pipe

edit 12/30/2019: - adding a picture of the vent stack above the subfloor and to the right a sink drain that has it's own vent that ties in - there is a red plug in the T. where the trap from the ...
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2answers
126 views

Sewer line repair - most cost effective method?

Background So I recently had a bad clog to which I had a plumbing company come out and clear out. A part of the process is looking at the finished job on their sewer camera. Our sewer line is made ...
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1answer
127 views

Is this a displacement or just a blockage?

We just had an inspection done on a house we are buying, and during the sewer scope, the inspector found what he believes to be a displacement. In the video, at about 0:44, there is something ...
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2answers
77 views

Sewage pump sounds like running dry

We have a sewage pump in our basement. We didn’t install it but inherited it with the purchase of the house. I believe the basement was updated in 2014 with a bathroom, hence the sewage pump. The last ...
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1answer
220 views

UK Sewage connection - is an external rodding point mandatory

I have a house extension built circa 1997. Inside there is a three-port shallow inspection chamber where a shower and toilet join to a single 110mm waste outlet heading out of the house. Outside the ...
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1answer
1k views

How far from the kitchen sink can a vent pipe be?

We live in a 1960's single floor concrete slab house with concrete block interior/exterior walls. We had to replace the pipes under the slab in the kitchen and currently still have the floor torn up ...
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1answer
47 views

Check valve versus trap; sewer backups

We have a problem with the condensate drain line on the air conditioner and water softener. It is the only basement drain in the lowest building in the whole town. It occasionally backs up. The ...
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3answers
212 views

Snapped off screw on sewer vent cover

The city recently told me I need a new cover for a sewer vent on the sidewalk. The cover looks like this: https://www.homedepot.com/p/NDS-4-88-in-x-4-88-in-Perforated-Sidewalk-Grate-BSB-CP-RTL/...
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1answer
407 views

Backwater Valve Access Sleeve Cap Broken... sewer gas smell?

Related to this question. Summary: I have a sewer smell in my condo unit (top floor). Recently a smoke test was done and smoke was coming out, from what appears to be the division wall between my ...
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1answer
157 views

Cool down wastewater from dishwasher

I am planning to install a high power dish washer. This dishwasher runs hot and the water is heated to 180 degrees during the wash cycle. One potential problem with this is that I have a septic system,...
3
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3answers
1k views

Sewer smell in basement - missing venting or other leak?

I recently started detecting a sewer smell coming from the laundry room in my basement. I think I only trigger it (and not every time) when I run my whole-house fan. I've been running this fan (with ...
1
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2answers
333 views

Does a fixture connected directly to the ground stack (vented) need to be vented separately?

I'm adding a shower in the basement (there was a half-bathroom already) and the new drain is literally right by the stack (probably few feet away, 3-4' max), so I would think the air coming from the ...
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1answer
100 views

Ejector Tank Safe Cleaning Additives

Wondering if there are any suggestions for a safe additive that can be flushed into a sewage ejector tank that can help break down waste (even toilet paper). Getting some awful foul smells - going to ...
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2answers
176 views

Frozen drain line into septic from furnace

Last winter the condensation from our high efficiency furnace caused our line to freeze from the floor drain where the water was running into, all the way to the septic. No one was there to flush ...
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0answers
46 views

Cast iron sewer pipe leak? Or something else? Shower pan?

We have a concrete slab and it’s soaked. Water has been coming up through the grout of our ceramic tile. This may have been something that happened over time and we only noticed now. We had a few ...
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1answer
82 views

Is a slightly-deformed clay pipe a concern?

We're doing a buying inspection on a house, and the sewer inspector provided a video of the snake camera. Here's a still from where the house line (clay) connects to the city line: The inspector didn'...