why does my bathroom sink smell like sewer

Have you ever walked into your bathroom and smelled an unusual odor? Well, thatБs probably happened a few times, actually! But have you ever clearly noticed a in bathroom that is just undeniably strange? If so, it could be coming from an external source Б from the actual sewer itself. And if thatБs the case, itБs important to take action as soon as possible to get rid of it. This sewer smell is certainly not pleasant, but more importantly, thereБs a chance the smell could actually be a serious safety hazard. Methane thatБs found in sewer gas can be flammable in large amounts. If this issue is left unresolved, sewer gases leaking into your home can also cause headaches and other serious health problems, so itБs definitely not something you want to ignore. There are a few reasons this smell could appear out of nowhere in your homeБs bathroom. It could be a
smell coming from toilet, or it could be something else. Check out our guide below to get a better idea of where exactly this sewer smell in the bathroom could be coming from. The first reason you could be noticing a sewer gas smell in bathroom has to do with the water in your bathroomБs P-Trap evaporating, which leaves the room susceptible to odors.


So what is the P-Trap and why do you need it? ItБs the section of piping underneath your sink that is shaped like a БU. Б In normal plumbing circumstances, when everything is working well, a little bit of water remains in the P-Trap after you do the following:, turn off the faucet or empty the bathtub in your bathroom. This bit of water that regularly remains in the P-Trap basically acts as a barrier. As you can see in the image above, the water prevents sewer gases from entering your bathroom. Who knew standing water was so effective in blocking an unpleasant sewer smell from toilet? HereБs something you can do on your own. Try pouring about a quart of water into every drain within your bathroom. This should do the trick to fill the P-Trap and block the odor. ItБs normal to hear gurgling sounds after you do this. If the odor doesnБt go away shortly after, there may be something else causing the smell. This something else thatБs causing the sewer smell from toilet could have to do with a poorly installed or cut vent pipe. The vent pipe is supposed to send gas odors outside your home so you donБt smell them; however, sometimes a contractor vents these pipes to the wrong place, which is why you notice the smell.


See if you can identify where the smell is coming from. If it seems like itБs coming from the wall, itБs most likely an issue with the vent pipe. A vent pipe can also have a crack that allows the odor to spill out. To find this crack, professional plumbers can use a smoke machine (donБt worry, it fills your pipes with harmless smoke); once the smoke leaks out, your plumber can locate the leak and fix it. And hereБs reason number three that could be causing that annoying sewer smell. Check to see if your sink has an overflow mechanism. As shown in the image above, this hole provides a bit of relief if the sink is overfilled. Like most appliances near water, it can build up grime in no time, so it could be contributing to the smell. Using a small bottle brush, try cleaning out the overflow hole to wipe away any buildup. You can also use a turkey baster to mix a solution of half chlorine bleach and half water. This will help clear out any grime (never mix chlorine bleach with anything else but water! ) What if These Do-It-Yourself Solutions DonБt Eliminate the Sewer Odor?


If none of the above mentioned quick fix solutions get rid of the sewer smell, itБs wise to call a professional plumbing company to investigate more thoroughly. Professional plumbers will not only pinpoint the exact cause of the odor; theyБll also have the knowledge, experience and professional tools to eliminate it for good. Your water may smell like sewage due to the presence of bacteria that come from food, soap or other materials sitting in your drain. This bacteria causes a heavy gas to fill the drain near the sink and when the water is turned on the gas is forced upwards and into the air around the sink making it seem like the water itself smells. In some instances, the smell only occurs when using hot water. If this is the case, the smell is likely originating from bacteria growing in your hot water heater. This can happen if your hot water heater temperature is too low or if itвs turned off for long periods of time, like when you go on vacation. Fortunately the bacteria in the hot water heater should not be harmful to you, but it will need to be eliminated in order to remove the smell from your tap water.


This sewage smell can also be the result of hydrogen sulfide. The but more than likely it will be detected before reaching a toxic level. Humans can detect hydrogen sulfide at as low as. 5 parts per million (PPM). Anything less than 1 PPM will have a musty smell and between 1-2 PPM will have a rotten egg smell. What Should You Do? To determine if the bad smell is coming from your pipes or from your water, fill a glass of water and walk it away from the faucet before smelling it. If it does not smell, the culprit is likely the pipes and drain. If there is bacteria inside your drain, youвll need to disinfect the sink and pipes using a small amount of soap and a small brush to clean the pipes right inside your drain. If your hot water heater is the issue, you can try for up to 24 hours and running the hot water taps to flush the pipes out. Remember to be vary careful and proceed with caution if you decide to turn up the temperature of the hot water heater. If you have a well as your water source, the hydrogen sulfide may be originating there. If this is the case you may need to consider contacting your to have your water source tested for contaminants. What Product Can Help?

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