1169 posts · Joined 2012. #8 · Mar 1, 2013. sewer gas can very in strength of smell due to weather and usage . it can be a lot of things some times it is as easy as a wax ring and you put your nose down at base and it smells strongest, to a trap being dry or siphoned out, to having a vent pipe coming apart in attic,to someone just venting ...Keep the bathroom smelling fresh. Keep the bathroom clean with daily surface wipe downs and weekly deep cleans. Try a Febreze Small Spaces to prevent lingering odors for up to 45 days. They come in a variety of yummy scents, none of which contain urine. Flush near-boiling water down the drains once a week to prevent odor backup.You may find that if your bathroom smells like a sewer after a shower, the P-trap is the culprit. If you can look underneath your shower drain, you'll see a U-shaped pipe that the water passes through. This is the P-trap. The purpose is to hold a small amount of water at all times to block sewage gases from coming back up the pipe and into your ...We have three bathrooms and its the only one that smells like this. My husband says that there is no vent on the roof for this bathroom but the vent goes to the garage. It doesnt smell like sewage but its a horrid smell thats hard to describe and I just cant take it any longer. It cant be a dead rodent, it smells only in the winter time and by ...The post, reading "Dear e condos, you smell like sewage, stop flooding. Gross," has sparked a conversation among locals, who say it's much more than just the …It is not a musty odor, it smells like sewer. The other possibility involves some work that was done on a bathroom almost directly below this one. On a Friday in June, the crew reattached the toilet and sink of a downstairs bathroom after doing a fair amount of work in the room.Roadtrippers now contains your favorite Togo RV features! Roadtrippers has become your all-in-one app for RV Trip Planning by natively integrating your favorite features from Togo RV and Overnight RV Parking. With our latest update, you can plan your entire road trip, find an overnight spot, and ...Here are some reasons odors could be a problem in your RV: Not enough water in your toilet and tanks. Holding tanks are getting too hot. Cleaning products are killing the bacteria in your tanks. Ventilation system is not venting odors properly. Now that you know why that sewer smell is wafting through your serene camping trip, let’s discuss ...If a drain is emitting a strong urine smell, then a faulty toilet seal or mould problem could be the reason. Faulty Toilet Seal: Every toilet should have an effective seal ring. Should this be faulty or missing, this could result in the lingering urine smell. This should be fixed by a quick call to a plumber. Mould: One culprit could be mould ...Mar 10, 2558 BE ... Depending on where you localize the smell, the solutions range from simply flushing a toilet, to a faulty wax toilet ring. Here's what you need ...When your bathroom smells like urine, it’s usually a sign of problems with the toilet bowl and seat. A sewage smell means something more serious. Toilets that smell like pee. If your bathroom smells like pee, give the toilet a thorough scrub using baking soda and tea tree oil. These natural ingredients can deodorize and freshen up the bowl.Do you often detect a foul odor coming from your drain? The unpleasant smell of sewage can be quite bothersome and indicate underlying issues with your plumbing system. One of the ...3. Blockage in the Sink’s Overflow. Finally, the blockage in the sink overflow could be the reason why bathroom sink smells like sewer gas. First, inspect whether your bathroom sink is designed to have an overflow mechanism. If the sink gets overfilled, the overflow mechanism offers some relief. The overflow hole can build grime with time.If your bathroom or laundry room drain pipes are below the level of a main sewer line, you’ll need to install a sewage pump. This will eject the wastewater up to the septic line fo...Check the vent pipes on your roof. Vent pipes are designed to release sewer gas from your bathroom. If any of your vent pipes are blocked or clogged, you may have a build-up of sewer gas which is causing the unpleasant smell. You may need a professional to help you clear the blockage and restore proper ventilation. 4.3 Steps to a Sweet-Smelling Toilet. 1. Get Rid of the Clog. The lengths you must go to do a corrective clean-out will depend on the severity of the problem. The worst-case scenario happens when you try to empty the reservoir and nothing comes out. The fix is not pretty, but it is the only way you can get rid of the smell.1. Drain pipes clogged with waste. If you perceive an unpleasant sewer smell coming from your bathroom after each use, the problem might be due to blockage …Have you ever wondered if tattoos have a smell? Get the answer to this question at HowStuffWorks. Advertisement Tattoos (along with piercings) are one of the most common types of b...Dealing with a Sewer Smell From the Bathroom Sink. Checking your sink for clogs and ensuring water is in the p-trap are two …Dec 5, 2559 BE ... The smell coming from an unused tub or drain is usually coming from the P-trap. A P-trap is the U-shaped portion of pipe underneath the drain.Aug 20, 2563 BE ... It's common to see air admittance valves boxed into the corner of the room with no allowance made for access or ventilation. If you have no ...CamperGuide offers several suggestions to remedy the stinky problem. First, check your RV’s toilet and shower drain for blogs. Sometimes, you can unclog a drain using hot water, ice, or chemical solutions. However, any chemical solutions should be for specific use in RVs. Diagnosing shower drain clogs is a little more involved.Aug 23, 2021 · Finding the causes of the sewer smell in your bathroom is a good idea to help you get rid of the bad odor. Below are some of the probable causes of sewer odors in your bathroom and effective ways to eliminate the foul smell. Dry P-Trap. One of the common causes of sewer odors in your shower room is a dried P-trap. Bathroom remodel costs depend on the size of the project. Learn whether your bathroom remodel will cost $2,200 or more than $30,000 with this cost guide. Expert Advice On Improving...First, check for clogs or debris in the drains and use a plunger or drain cleaner if necessary to get rid of a sewer smell in your bathroom. Check the toilet wax ring and replace it if broken or loose. Try pouring a mixture of baking soda and vinegar down the drains.Having an unpleasant smell coming from your drains can be a real nuisance. Whether it’s a musty odor, a sewage smell, or something else, it’s important to address the issue as soon...The reason your house smells like sewer gases when it rains. Dried-out water barriers are likely the main cause if you smell sewer after rainfall. If you have a drain in the home, either a laundry room drain, a bathroom shower drain, or drains to laundry tubs that are not used very often, this can cause a dried-out water barrier.Cat marking. Mildew or biofilms. Unsealed grout and tile. 1. Sewer Gasses. If you notice a funky odor in your bathroom that smells like cat pee, it can be off-putting and concerning. The smell of cat pee can actually be caused by a buildup of sewer gasses that contain a mixture of sulfates and other organic compounds. 2. Having a bathroom that smells like sewage can be a frustrating and unpleasant experience. Restoring proper water flow in the P-trap is one of the essential steps to eliminate this problem. Running water through infrequently used fixtures, such as showers or sinks, helps to flush out any stagnant water that may have accumulated in the P-trap. Use a commercial drain cleaner or a mixture of baking soda and white vinegar to flush the drains in your kitchen and bathroom sinks. This should remove a buildup of old food, hair, and organic matter from the plugs and pipes, eliminating the unpleasant whiff. ... If your water smells like sewage, or has a musty or fishy odor, you shouldn’t ...The best way I can think of to describe this situation: We finally have time to stop and smell the dandelions. Have you ever smelled a dandelion? Technically, dandelions are... Edi...There are a number of reasons why your bathroom may smell like sewer gas. This includes: Dry or leaky p-pipe in your shower drain. Biofilm accumulation in your shower drain. Dry or leaky p-pipe in your sink. Grime and mildew build-up in your sink’s overflow. A loose or compromised toilet leak.When your bathroom sink smells like sewer gases or rotten eggs, it can be unpleasant and alarming. A sewer gas smell coming from the drain likely indicates a problem in your plumbing that allows built-up gasses to come back up from the pipes. Identifying and resolving the underlying cause is important to prevent unpleasant odors as well as more ...2. 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 there are foul, sweet sewerish smells rising up around the area of the toilet and they make the whole room really smelly.Oct 16, 2020 · The Second Reason Your Shower Drain Smells Like A Sewer: Dirty P-Trap. Another common cause of odors is a dirty p-trap. What a p-trap does is prevent sewer gases from coming up into your bathroom. If this section is damaged, it can cause a foul smell even if there’s no clog or the area’s been cleaned. 1169 posts · Joined 2012. #8 · Mar 1, 2013. sewer gas can very in strength of smell due to weather and usage . it can be a lot of things some times it is as easy as a wax ring and you put your nose down at base and it smells strongest, to a trap being dry or siphoned out, to having a vent pipe coming apart in attic,to someone just venting ...Boiling water can melt or degrade PVC pipes. If you have PVC pipes, use hot tap water. Sprinkle baking soda down your sink and shower drain weekly to absorb odors. Leave it for at least 10 minutes to absorb odors. Then flush with hot tap water, a hot water and vinegar mixture, or boiling water (if non-PVC pipes).3 Steps to a Sweet-Smelling Toilet. 1. Get Rid of the Clog. The lengths you must go to do a corrective clean-out will depend on the severity of the problem. The worst-case scenario happens when you try to empty the reservoir and nothing comes out. The fix is not pretty, but it is the only way you can get rid of the smell.Sep 11, 2023 · Improper Ventilation: Inadequate bathroom ventilation can trap odors and moisture, creating an environment ripe for sewage-like smells. Now that we’ve identified potential causes, let’s explore how plumbing issues can be the root of the problem. Regular cleaning, he says, should minimize the buildup. “At least once a month, remove the drain cover and scrub the drain with hot water, an all-purpose cleaner and a toothbrush,” Hammer says. Next, clean out the pipes. Pour one cup of baking soda down the drain, then add one cup of distilled white vinegar. Wait at least 10 minutes.The Second Reason Your Shower Drain Smells Like A Sewer: Dirty P-Trap. Another common cause of odors is a dirty p-trap. What a p-trap does is prevent sewer gases from coming up into your bathroom. If this section is damaged, it can cause a foul smell even if there’s no clog or the area’s been cleaned.Have you noticed an unpleasant sewage smell emanating from your drain? This can be a common problem that many homeowners face. Not only is the odor offensive, but it can also indic...1. Problems With the Water Trap. One of the most common causes of sewage smells in a laundry room is having a dry trap. You might not know this but there is a water trap that is located somewhere under your floor drain. It could also be located under your wash basin or some type of laundry tub.loss of memory. lack of concentration. loss of smell (the smell will appear to go away) eye irritation. lung irritation. seizures. coma. If your basement smells like sewer, it could be due to multiple causes. These signs are scary and can become a reality if exposed to these gases for a prolonged time.Applying a bead of silicone caulk around the base of the toilet keeps any sewer gas that happens to escape past the wax ring trapped underneath the base of the toilet, preventing you from having a sewer smell in the house. When applying the caulk, use waterproof caulk that holds up in a moist environment. Advertisement.Keep It Natural. 1 /9. Commercial cleaning supplies leave a thick chemical residue in the air. Rather than mask foul smells, neutralize them by using natural cleaning supplies made with baking ...Here are some reasons odors could be a problem in your RV: Not enough water in your toilet and tanks. Holding tanks are getting too hot. Cleaning products are killing the bacteria in your tanks. Ventilation system is not venting odors properly. Now that you know why that sewer smell is wafting through your serene camping trip, let’s discuss ...Feb 29, 2024 · The heat and smoke from a candle can help neutralize odors in the bathroom. Unscented candles may surprisingly work just as well as scented ones. Candles, especially votive candles, are easy to place as small decor pieces in the bathroom. Have a lighter or matches handy to light the candle whenever there's a need. 3 Steps to a Sweet-Smelling Toilet. 1. Get Rid of the Clog. The lengths you must go to do a corrective clean-out will depend on the severity of the problem. The worst-case scenario happens when you try to empty the reservoir and nothing comes out. The fix is not pretty, but it is the only way you can get rid of the smell.Learn why your bathroom smells like sewage and how to eliminate the foul odors with DIY methods or professional help. Find out the common plumbing issues, …However, if you don't use a particular bathroom fixture a lot, like a guest bathroom, the water will slowly evaporate. Without the water barrier, odors from decomposing waste in the sewer rise through the pipes. This odor will fill your bathroom, and you won't be able to remove it by routine surface cleaning.There are a few possible reasons your bathroom sink smells. Luckily, cleaning a smelly drain in a bathroom sink can be easy if you have the right tools. To clean a bathroom sink and to eliminate smelly bathroom drains, it’s important to have a proper P-trap. A P-trap is the curved portion of pipe under the sink.It is not a musty odor, it smells like sewer. The other possibility involves some work that was done on a bathroom almost directly below this one. On a Friday in June, the crew reattached the toilet and sink of a downstairs bathroom after doing a fair amount of work in the room.Cat marking. Mildew or biofilms. Unsealed grout and tile. 1. Sewer Gasses. If you notice a funky odor in your bathroom that smells like cat pee, it can be off-putting and concerning. The smell of cat pee can actually be caused by a buildup of sewer gasses that contain a mixture of sulfates and other organic compounds. 2.If a drain is emitting a strong urine smell, then a faulty toilet seal or mould problem could be the reason. Faulty Toilet Seal: Every toilet should have an effective seal ring. Should this be faulty or missing, this could result in the lingering urine smell. This should be fixed by a quick call to a plumber. Mould: One culprit could be mould ...7. Extreme Temperatures. When the temperature is either too hot or cold, it can cause the anaerobic bacteria in the black tank to slow or stop slow or stop the process of breaking down waste properly. Eventually, this leads to sewage waste piling up and releasing that deadly smell in your camper.Mar 11, 2022 · The bathroom can be a haven of hygiene and a destination for dirt at the same time. While there may be some occasional tension between fair and foul odors, there’s no question that cleanliness and fragrance are supposed to win the fight for bathroom ambience. If your bathroom smells like sewage, something has clearly gone wrong. There’s no ... Bathroom remodel costs depend on the size of the project. Learn whether your bathroom remodel will cost $2,200 or more than $30,000 with this cost guide. Expert Advice On Improving...To clean a smelly shower drain, run hot water through the shower drain then pour in it a cup of baking soda. Add 2 cups of hot white vinegar. After 15 minutes, flush the drain with hot water. Repeat this procedure weekly to prevent shower drain smells. A clean shower drain has many benefits including limiting bad odors, reducing cleaning ...Ground gets soaked. The liquid level inside a septic tank rises. Back pressure is created. Gases will enter your plumbing system. Your drains, vents, and a waste system will smell like sewer gas. Sewer smell will enter your house. As we can see, rain saturation is a serious problem that you can’t simply fix.Mar 11, 2022 · The bathroom can be a haven of hygiene and a destination for dirt at the same time. While there may be some occasional tension between fair and foul odors, there’s no question that cleanliness and fragrance are supposed to win the fight for bathroom ambience. If your bathroom smells like sewage, something has clearly gone wrong. There’s no ... Applying a bead of silicone caulk around the base of the toilet keeps any sewer gas that happens to escape past the wax ring trapped underneath the base of the toilet, preventing you from having a sewer smell in the house. When applying the caulk, use waterproof caulk that holds up in a moist environment. Advertisement.1. Shower Drain Clogs. Damage potential: Low to Moderate. Plumber required: Rarely. A shower may be the place you get clean, but all the dirt and hair that you leave behind can lead to drain clogs. If left unattended, these drain clogs can become a breeding ground for bacteria, and could even eat away at your pipes.A sewer smell in the bathroom can be caused by clogs, leaks, or vent problems. Learn how to identify the source of the odor …Having a bathroom that smells like sewer can be a frustrating and unpleasant experience. Not only does it make using your bathroom uncomfortable, but it can also indicate potential...Jim gets this question a lot, where is the sewer smell in my bathroom coming from? The answer may surprise and I don't want to say getting rid of the sewer s...Impaired smell is the partial or total loss or abnormal perception of the sense of smell. Impaired smell is the partial or total loss or abnormal perception of the sense of smell. ...Jan 31, 2024 · In conclusion, a sewage smell in the bathroom can be caused by various factors such as faulty plumbing, dried out P-traps, blocked ventilation, and mold growth. It’s important to address these issues promptly to ensure a clean and odor-free bathroom environment. Your bathroom might smell like sewage even without a leak due to several reasons. The most common cause is dried-up water seals in your P-traps, which let …It's hard to put into words what sewage smells like, but you'll know it when you smell it. If there is a sewage smell, you may have wastewater issues. There may ...Jul 26, 2019 · Sewer Smells Caused by a Missing Cleanout Plug. Check for a cleanout plug inside the floor drain to get rid of a sewer smell in bathroom or laundry room. Remove the grate that covers the opening and make sure there’s a plug inside the drain bowl. If the plug is missing, there’s a direct path for sewer gas to bypass the water trap. Now that we’ve explained the most common reasons for a bathroom to start smelling like a sewer, it’s time to troubleshoot the reason why your bathroom reeks. 1. Start by flushing your toilets and running water through your sink.This will increase the water levels in your P-traps, and that often fixes the issue. … See more1 cup baking soda. 1 cup vinegar. Boiling water. tb1234. Pour the baking soda into the drain and let it sit for several minutes. Next, pour the white vinegar into the drain. Wait for several hours to see if the solution dissolves the clog. Clean the drain by pouring boiling water into it.You have at least three different drains in a full bathroom: the toilet, a sink, and a shower or tub. If any of these drains develop a clog and are draining slowly, it can lead to the development of that sewage odor. Toilets are relatively easy to understand because our waste products give off gasses like methane.1 cup of white vinegar. tb1234. Begin by flushing the drain with a pot of boiling water. Pour baking soda into the drain and top it off with white vinegar. Cover the drain hole to allow the foaming action to loosen grime and debris, and wait for about ten minutes before adding more boiling water to the pipe.Short of ripping up the tiles and going all DIY on your apartment, to counter this problem, the simplest thing to do is to create a series of physical barriers. The most likely culprits for bad smells are the shower drain, the washing machine drain, and the bathroom sink. Despite their bad reputations, toilets (which already have a water ...Nov 30, 2022 · Your bathroom smells like sewage because the toilet seal has been broken, allowing waste substances to seep through cracks. This leakage leads to the growth of bacteria that release gases, causing the sewage stench. Hoffman Brothers, a Missouri-based plumbing company mentions that a sewage smell in your bathroom can be caused by gas that is ... Feb 15, 2022 · Dump the boiling water down the drain. While the baking soda and vinegar are quite effective in breaking down the gunk, boiling water will melt and dissolve everything left in the drain line leaving it smelling fresh. Do this regularly to prevent the smell from coming back. 5. Check the Toilet Wax Ring. Aug 31, 2022 · Applying a bead of silicone caulk around the base of the toilet keeps any sewer gas that happens to escape past the wax ring trapped underneath the base of the toilet, preventing you from having a sewer smell in the house. When applying the caulk, use waterproof caulk that holds up in a moist environment. Advertisement. When that happens, the airlock that kept sewer gasses from creeping into your bathroom is lost. This leads gas to enter your bathroom, which in turn, makes your basement smell like sewage. If you have this issue, the only way to get this fixed is to replace the toilet ring. You can do this on your own, or hire a plumber to do it.3. Sewer gas. Sewer gas smells can be caused by issues like a backed-up sewer line, a clogged pipe, or a blocked plumbing vent that's allowing gas to escape into your home. This problem is often solved by a plumber, but if you think there might be a blockage in your drain pipe leading to the sewer line, it’s worth trying one of these DIY ...1 cup baking soda. 1 cup vinegar. Boiling water. tb1234. Pour the baking soda into the drain and let it sit for several minutes. Next, pour the white vinegar into the drain. Wait for several hours to see if the solution dissolves the clog. Clean the drain by pouring boiling water into it.Roadtrippers now contains your favorite Togo RV features! Roadtrippers has become your all-in-one app for RV Trip Planning by natively integrating your favorite features from Togo RV and Overnight RV Parking. With our latest update, you can plan your entire road trip, find an overnight spot, and ...Feb 16, 2024 · Rags. Dry towel. tb1234. Add half a cup of baking soda and white vinegar to the washing machine and run a normal load without clothes. Check to see if the smell remains, and if it does, repeat the steps, but replace the white vinegar with a cup of bleach. Once the odor is gone, run a final load with hot water. 3 Steps to a Sweet-Smelling Toilet. 1. Get Rid of the Clog. The lengths you must go to do a corrective clean-out will depend on the severity of the problem. The worst-case scenario happens when you try to empty the reservoir and nothing comes out. The fix is not pretty, but it is the only way you can get rid of the smell.A dry trap. This is the most common cause of sewer odors. A trap is a very simple device that does a great deal of work. It is made from a U-shaped pipe or tubing, which connects on one end to the drain—such as a floor drain or the drain of a restroom fixture—and on the other end to the line going to the sewer.Mar 10, 2558 BE ... Depending on where you localize the smell, the solutions range from simply flushing a toilet, to a faulty wax toilet ring. Here's what you need ...The smell of sewage in a home bathroom is usually due to the presence of methane gas that is leaking from the sewage system and into the home. Methane gas is flammable in high amou...1/2 cup baking soda. Boiling water. 2 cups of white vinegar mixed with 1 cup of boiling hot water. tb1234. To easily remove a mildew smell from your house if it seems to be a drain issue, pour a large pot of water (boiling) down the drain and then pour the baking soda into the water-filled drain.Sep 11, 2023 · Improper Ventilation: Inadequate bathroom ventilation can trap odors and moisture, creating an environment ripe for sewage-like smells. Now that we’ve identified potential causes, let’s explore how plumbing issues can be the root of the problem.
Finding the causes of the sewer smell in your bathroom is a good idea to help you get rid of the bad odor. Below are some of the probable causes of sewer odors in your bathroom and effective ways to eliminate the foul smell. Dry P-Trap. One of the common causes of sewer odors in your shower room is a dried P-trap.. Spongebob ice cream
Do you think you smell? Well, if we assume for a moment that you actually don’t smell or emit some sort of s Do you think you smell? Well, if we assume for a moment that you actual...Aug 31, 2022 · The most common reason your washing machine drain smells like sewage is that the P-trap is dry. The P-trap is a U-shaped pipe that’s part of all drain lines. It’s designed to trap water between the washer and the drain pipe, so the gasses don’t leak. If the P-trap is dry, it can allow sewer gases to escape and cause a nasty smell. One of most common causes of sewer odors in the bathroom and any area in the house with a drain is simply water evaporating from water traps. The basic design of a water trap was i...The odor may be coming from the overflow hole. Often times a build up of toothpaste, soap residue, etc. linger in the area between sink base and pop up drain ...These methods will remove the source of odor within the tanks. The roof vents remove the smell left in the RV by circulating outdoor air to keep the interior smelling fresh. When using the bathroom vent, it is important to keep the room closed as this will help the vent create a natural vacuum preventing any smells from spreading throughout the RV.Ground gets soaked. The liquid level inside a septic tank rises. Back pressure is created. Gases will enter your plumbing system. Your drains, vents, and a waste system will smell like sewer gas. Sewer smell will enter your house. As we can see, rain saturation is a serious problem that you can’t simply fix.A simple homemade toilet drain cleaner may take care of the problem. Pour ½ cup lemon juice with ½ cup baking soda into the toilet, baking soda first. The two ingredients will bubble up and work their magic …One of most common causes of sewer odors in the bathroom and any area in the house with a drain is simply water evaporating from water traps. The basic design of a water trap was i...These odors are caused by the decomposition of waste materials, which produce gases like hydrogen sulfide and methane. Additionally, a malfunctioning sewer system can lead to sewer backups, causing sewage to flow back into your bathroom. This can happen due to clogged sewer lines, damaged sewer pipes, or a faulty sewer pump.Blocked Drains. One of the most common reasons for the sewer smell in your bathroom is a buildup of waste and water in the pipes of basins, bathtubs, showers, and toilets. The predominant reason for this buildup is a combination of dirt, hair, skin flakes, soap, and or waste products that can get caught on the drain stopper or stick together ...The post, reading "Dear e condos, you smell like sewage, stop flooding. Gross," has sparked a conversation among locals, who say it's much more than just the …Here we focus on sewage or septic odor problems that occur during cold weather or wet weather. We also discuss causes and cures for sewer gas odors related to wet or cold weather. We include questions & Answers on tracking down cool weather and night time sewer gas / septic tank smells. InspectAPedia tolerates no conflicts of interest.One of most common causes of sewer odors in the bathroom and any area in the house with a drain is simply water evaporating from water traps. The basic design of a water trap was i...If your house smells like sewage when the heat comes on, the likeliest culprits are your furnace, sewage line, or HVAC ductwork. You may need to replace your furnace’s air intake filter or fix a crack in your sewage line or ventilation ducts. Additionally, this smell can happen temporarily the first time you turn on the heat for the season.Aug 31, 2022 · The most common reason your washing machine drain smells like sewage is that the P-trap is dry. The P-trap is a U-shaped pipe that’s part of all drain lines. It’s designed to trap water between the washer and the drain pipe, so the gasses don’t leak. If the P-trap is dry, it can allow sewer gases to escape and cause a nasty smell. Related Article. Bring your lawn to life with septic-approved landscaping. 2. The P-Trap Is Dry. The P-trap in your shower is another common reason why your shower drain smells like sewage. When the P-trap is dry, it can cause sewer gasses from the main sewer line to push up through the pipes and into your drain.A simple homemade toilet drain cleaner may take care of the problem. Pour ½ cup lemon juice with ½ cup baking soda into the toilet, baking soda first. The two ingredients will bubble up and work their magic …If your house smells like sewage when the heat comes on, the likeliest culprits are your furnace, sewage line, or HVAC ductwork. You may need to replace your furnace’s air intake filter or fix a crack in your sewage line or ventilation ducts. Additionally, this smell can happen temporarily the first time you turn on the heat for the season.A dry trap. This is the most common cause of sewer odors. A trap is a very simple device that does a great deal of work. It is made from a U-shaped pipe or tubing, which connects on one end to the drain—such as a floor drain or the drain of a restroom fixture—and on the other end to the line going to the sewer. Replace the seal, and your RV sewer gas smell should immediately disappear. 2. Blocked Black Tank Vent Pipe. Every RV black tank has a vent pipe that goes from the top of the black tank up to the roof of the RV. This is to allow gases to escape and vents the tank when dumping. The waste tank vent pipe can get clogged. .