Common Toilet Leaks A toilet leak can waste up to 5 gallons of water every minute (7,200 gallons per day)! If that much water were leaking from the toilet onto the floor into the bathroom, it would be very noticeable. Condensation on the bowl. #5 The Toilet. What Causes a Toilet Leak? If a toilet is leaking, most often it is the flapper or fill value. If the leak is indoors, first check the toilets. Ceiling leaks occur when water from the unit above yours leaks into your ceiling through the concrete floor slab. It enables us to target the right leaking area of a pipe and conduct replacement. Caulk At The Toilet Base: Hiding A Problem Or Preventing A Problem? By Reuben Saltzman In Caulk at toilets , Toilets - Caulking On July 6, 2010 As standard procedure for every home inspection that I perform, I check the toilets to make sure they're properly anchored to the floor. The Dye Test. It is common for the shower base to be a mud floor system with drain. If your dual flush toilet is constantly running, first check for the top three problems that cause this trouble: Flapper or Seal Trouble. Hub Connect your Hub via ethernet or Wi-Fi and place in a central location. In each case, the solution is to identify the faulty seal and tighten or replace it. You have to use the adjustable wrench to. Hidden and visible leaks can easily waste thousands of gallons of water a year – not to mention the higher utility bills and the repair costs. The most common reason toilets leak is an old or worn out toilet flapper, also called a valve seal. That’s over 6,000 gallons a month ($70. But only are such leaks bad for the environment, they're bad for business. Water leaks are a drain on profits and should be a priority maintenance item for every restaurant. The flapper is the rubber valve in the bottom of the tank that lifts up when the toilet is flushed. Overactive bladder syndrome is very common. We recommend that you contact a licensed plumber to help you identify the source of the problem. Why is My Toilet Running? The typical toilet tank will have a flapper which seals the water in the tank. An uncommon source of tank leakage can be due to incorrect positioning of the fill valve hose. There are many different signs that your toilet may be leaking. Sometimes after the toilet bowl has been refilled after flushing, water can continue running down into it. Common types of water leaks are old toilet flappers and leaking fill valves. Slab leaks can be hard to detect. Toilet repair is a job that homeowners often end up tackling themselves both because toilet repairs are often reasonably simple and because they are also frequently urgent. But if the chain is too tight, the flapper will not be able to completely close, which will let water leak from the toilet on a continuous basis and waste many gallons of water. But that doesn't mean the toilet seat is off the hook. To check on the flapper, first flush the toilet to drain the water out of the tank. But, occasionally, water will begin to leak out from under the toilet and spill onto the floor, which can lead to serious water damage. In some instances a toilet repair or other leaking toilet issues can be relatively easy for the DIY enthusiast. With a slow leak, it only “runs” once in a while and may or may NOT be heard. It may be something as simple as a slightly open drain valve to a severe issue such as a corroded hot water tank. situations that cause leaks to develop. Call us for a free and quick quote on 0439 569 424. Fluidmaster Complete Toilet Repair Kit Installation Guide. If your toilet is leaking, it is likely due to one of these common reasons: 1. To fix flapper leaks, follow these steps. When selecting a new toilet, look for models with the WaterSense label. If you don't know, the biggest reason for high water bills is a toilet that leaks or continuously runs. Find this mark inside the tank and make sure the water level rises to it after every flush. If you believe you qualify for a leak adjustment, you can download an application here. The Dye Test. The most common reason for a leaky toilet happens in the bottom of the tank and is almost always associated with the discharging and refilling of the tank after a flush. Before you make this diagnosis, of course, you have to rule out other issues like a leaky tank connector or tank condensation. The plumber may mean the toilet tank is leaking into the bowl through the flapper valve found at the bottom of most toilet tanks, at least in the USA. Here are a couple of previous similar questions with responses - both for just replacing the wax seal (common cause of your problem) and also the greater expense to replace a broken flange, which is the ring on the sewer pipe that the wax ring seals the toilet to, and that the toilet mounting bolts bolt into. Usually for toilet. However, most toilet leaks flow from the tank on the back of the toilet into the bowl, and then into the sewer. The toilet is one of the most important fixtures in your home. Hidden and visible leaks can easily waste thousands of gallons of water a year – not to mention the higher utility bills and the repair costs. Refill Tube: Water dripping from the refill tube into the overflow pipe could be caused by siphoning. Unfortunately, when this happens,. Hourly rates average $45 to $150 to repair common issues such as faucets that drip, low water pressure, a toilet that runs or is broke, clogged drains, or problems. Checking the Toilet The most common toilet leaks can also be the most costly because they represent the greatest water usage in the home. Toilet leaks, especially when it is coming from the bottom of the tank, are continuous. The toilet is one of the most common water wasters but its leaks tend to be less noticeable than faucet leaks. The difficult part about this is that if the leak is from the shower base, the shower base will require removal to repair. The most common culprit of indoor leaks is toilets. Toilet inlet pipe to valve weeping or pouring out is another common leak. Slab leaks can be hard to detect. Fill a 5 gallon bucket of water and dump it into the toilet as fast as possible with minimum splashing. A running toilet can waste a full gallon of water in just 30 seconds!. Ceiling leaks occur when water from the unit above yours leaks into your ceiling through the concrete floor slab. In addition leaks from the wax seal where the toilet meets the floor is another common toilet leak. A leaky toilet can waste more than 200 gallons of water per day, or 73,000 gallons a year! Most toilet flush tanks work in the same way. The final downside that is impossible to overlook is the price. There is never a good time for a toilet leak! The best way to avoid leaky toilets is to understand what causes the leak in the first place and hire the right Los Angeles, Orange County or San Bernardino plumber to take care of the issue quickly. The most common leaks we see in the water damage restoration industry are from uninsulated pipes, worn out water heaters, ice maker lines, and toilets. 10 Most Common Commercial Bathroom Problems While every bathroom can face many of the same plumbing issues, commercial bathrooms in offices, warehouses and retail locations experience some different plumbing problems than residential bathrooms do. They had used a wax ring. If you have diarrhea, it’s important to limit your intake of insoluble fiber (whole grains, beans, nuts, etc. The float assembly in the tank of your toilet is responsible Rust, Clogs and Corrosion in Your Pipes. A toilet that cuts on and off by itself, or runs intermittently, has a problem that plumbers call a phantom flush. If you can't stop your toilet from leaking on your own don't fret. 00 on a national average. We have a Thetford C250 cassette toilet in our 2009 Lunar Clubman. Most customers are surprised as to how much water can flow through a toilet without being noticed. WATER LEAKS. However, most toilet leaks flow from the tank on the back of the toilet into the bowl, and then into the sewer. Dripping Tap. Mark the actual water level with a pencil, then flush the toilet and watch the tank refill. Another common problem of a leaking toilet, or one that won’t shut off, is a faulty flapper. If you are a renter, report the leak to your landlord right away. Short of hiring a plumber to raise the flange,. Preventing Common Household Leaks. There might be a crack somewhere right at the base of the toilet. Here are some common reasons why the toilet tank might be leaking and a few tips on how to fix them. Check for toilet leaks Leaking toilets can waste thousands of gallons of water a month, leading to higher bills. Toilet leaks are the the most common water waster in a home. Toilet assessment First, check for the most common leak: a deteriorated or defected flush valve (flapper) ball at the bottom of the toilet tank. A good way to check is to put some food coloring in the toilet tank and wait 15. Can you see the waste/sewer pipes which run from your toilet to the street or your septic tank. Leaks of this kind are common, and they are usually easy for a trained professional to locate and repair. 28 gpf gravity flush toilet. Condensation on the bowl. Leaky fill valves, tank bolts and spud washers are the three most common places in the toilet tank where leaks are likely to occur. Also called bladder infections or cystitis, a UTI occurs when bacteria enter the bladder, usually through the urethra (urine tube), and begin to multiply. They came and took a look. The purpose of this article is to assist property owners, tenants, and construction and inspection professionals in identifying these common code violations so they may be corrected. Here are some tips if you want to fix some common toilet plumbing problems: 1. Another common household item you can use to diagnose a leaking toilet is colored tape. The most common problem with plumbing fixtures is leaks. However, there are often some simple fixes. Finding and fixing leaks is an essential part of reducing water wastage in our homes, businesses, sports clubs, schools, places of worship, and everywhere else in our communities. Due to water regulations, toilet tanks have become smaller. Some leaks are visible as a small trickle running from the rim to the water in the bowl. Signs of a running toilet. If your toilet has a tank, then there are generally three main culprits that will cause water to run when the toilet is not in use. Tank and Bowl Connection. The most common toilet leak causes, & how to detect & fix so that you can DIY fix a leaky toilet by adjusting a fill valve or replacing a toilet flapper. step 5: replace tank to bowl gasket - another way to fix a leak between the toilet tank and bowl This is an optional but, highly recommended step. The most common cause is a broken internal component, such as a pump seal or pressure valve. The three most common causes of a leaking overflow pipe are increased water pressure, an overused washer or a faulty float valve. While some leaking sinks may be easy to repair, others require the services of a professional plumber. There are four possible places that a toilet supply line can leak. Keep your home leak-free by repairing dripping faucets, toilet flappers and showerheads. Common Dreams is a small nonprofit with a big mission. When enough leaks out, the fill valve should kick in and fill the tank back up. Why is My Toilet Running? The typical toilet tank will have a flapper which seals the water in the tank. I have found that fluids can leak from the bottom of the bowl, over the cassette and into the compartment below it. Of course, if you want a proper diagnosis, you also have to pinpoint where that leak really is coming from. A flapper is easy to replace. A toilet leaks when water goes from the tank into the bowl of the toilet. A standard toilet has multiple seals with the potential for leaking. It really doesn't matter how modern your toilet fittings are, water leaking from toilet tank into bowl is one of the most common problems you will find in your home from time to time. Most of them dealing with toilets that leak at the base, so I start a new thread. The flapper is a large rubber plug in the bottom of the toilet tank. The washers (or rubber seals) on compression faucets face the friction of the water flowing through them, thus they wear out quite frequently. With a full tank, turn the water off at the shut of valve. If the flapper or ball valve does not seat properly and form a watertight seal, water will leak around it into the toilet bowl. To determine if you have a toilet leak, lift off the toilet tank lid, place five to 10 drops of food coloring or a dye tablet in the toilet tank, avoid using this toilet until the next day. Here is how to fix a washer on simple faucets: Shut off the water at the nearest shut-off valve or at the master valve. If it is not, the problem is the fill valve and not a leak. A slow leak could add up to 100 and even thousands of wasted gallons of water running down the drain. To select the correct insert, check the color on the old fill valve being replaced, and use the same color on the new valve. Solution: Use a toilet plunger or toilet auger to push waste through and allow the toilet to flush, or use the plunger to create suction that will help dislodge paper waste blocking the flushing action and allow it to move down the pipe. Loosen the cap nut by turning counter clockwise. com today!. Water leaks are more common than you might think. A slow leaking faucet or shower head can leak close to 500 gallons of water, and a big leak can leak over 12,000 gallons per month. If water backs up into the bowl and drains slowly, it is a clog. First, close the tap that supplies water to the tank. Please remember that it’s often more economical to call a Licensed Raleigh Plumber, like Legacy Plumbing Company to troubleshoot and fix your plumbing issues. You will probably need a trained repair person to repair a water softener, irrigation system, or humidifier but you can be your own detective to catch a leaking toilet. Slab leaks happen mostly when a home is built on a concrete slab foundation and leaky water and sewer lines have been installed under it. The toilet is a very common install, water enters in from just below toilet, discharge enters in to a loop about 7 feet from the head and from the loop to the holding tank. Anyone can do if you have the will, a little know how, and common sense. It is possible for water to be leaking from the tank and running down the supply line, making it appear that the supply line or valve is the problem. Wait 15 minutes. A standard hose accidentally left on can waste as much as 28,000 gallons in a 24 hour period. quite sizeable drops of water comes down each time it leaks. Usually, you will not hear this type of water leak. Place a toilet tablet or a few drops of food coloring in the tank, but don't flush. I have found that fluids can leak from the bottom of the bowl, over the cassette and into the compartment below it. Depending on your home’s water pressure, a running toilet can leak over 1 gallon of water per hour, adding almost 26 gallons a day! But, never fear! It’s easy for you to figure out yourself why your toilet is running. A standard hose accidentally left on can waste as much as 28,000 gallons in a 24 hour period. Here are some tips if you want to fix some common toilet plumbing problems: 1. Check for toilet leaks Leaking toilets can waste thousands of gallons of water a month, leading to higher bills. "Even our most conscientious customers who conserve water daily may have leaky toilets. A toilet leak can cost you a fortune! The LeakAlertor detects silent leaks like leaking flappers, leaking flush valves, and stuck flappers. To check if your toilet is leaking try the paper test. If no water is being used in the house and the dials on the meter are moving, you do in fact have a plumbing leak inside the house. You hear the tank constantly being filled, even when it should be finished and completely full. Water leaks are more common than you might think. One of the most common causes of toilet leaks is clogged Cracked Tank or Toilet Bowl. Checking the Toilet The most common toilet leaks can also be the most costly because they represent the greatest water usage in the home. It sometimes takes a little detective work to pinpoint a leak. A force-cup plunger is more effective than the familiar standard type for clearing minor clogs. Check out A walkthrough for disassembling a Mansfield toilet for basic repair for instructions on how to do this. This would show up as a dark stained colour around the old flange which could possibly soften the wood to the point that a secure installation for the new one. A leaky toilet is capable of spreading bacteria throughout the bathroom as well as increasing the water bill. Cracks can also occur close to the base of the toilet which will result in water around that area. Find a Leak: To find out if you have a leak add some food colouring or old coffee to your tank. Sediment might also be affecting your toilet’s ability to properly flush and fill. There are many causes for a leaky toilet, and it can be helpful to know some of the most common reasons so you can avoid them. A toilet leak is usually a result of some sort of a break or defect in the seal of the wax ring that adjoins the toilet to the floor. Most minor clogs should clear up at this point and water should flow freely. How to fix common toilet problems. Keep your home leak-free by repairing dripping faucets, toilet flappers and showerheads. The most common leak inside the home is the flapper in a toilet that is not sealing properly. Common problems with Thetford toilets include leaking seals, leaking valves and problems with the tank level indicator. For ease of use, all products contain installation instructions and handy Hints to assist in leak repair. A toilet can leak from several places. Short of hiring a plumber to raise the flange,. While detecting the cause of a leaky toilet is already a challenge, a toilet leaking at the base can be simply missed. Toilets are one of the most common places for water leaks because the working parts are always submerged in water and because it gets used a lot. If you're just going to spray it into the pan you would be better off flushing the toilet. Common types of household leaks include worn toilet flappers, dripping faucets, and other leaking valves. Wait 15 minutes and then check the water level. From mold to wood rot, water can not only cause structural damage to your home, but it can also cost you a lot of money to repair. Troubleshooting common toilet problems--VICTORIA - Toilets are one of the most important and misunderstood pieces of equipment in a house. The most common causes of a leaking toilet include: Water level in the toilet tank is too high. Fix toilet leaks with variety brands of Toilet Flush Seals and make sure you get a good watertight seal around the hole. Faucet leaks. A running toilet can waste a full gallon of water in just 30 seconds!. In this event you should call a plumber right away as a burst pipe can cause severe water damage in your home. A force-cup plunger is more effective than the familiar standard type for clearing minor clogs. Toilet leaks are the most common type of leak found inside the home. Finding and Fixing Leaks in Your Toilets. Understanding the basic mechanics of your toilet can save you thousands of gallons of water per year. Toilets are obviously a very important part of the plumbing system (and even the entire home). It happens. The toilet is one of the most important fixtures in your home. Finally, though I know much of the information in the series “How a Plumber Inspects Plumbing: Toilets” has been well beyond the scope of a typical home inspection, I hope it has provided you with a better understanding of a toilet’s major components, some routine installation practices and some common installation mistakes. The most common leaks at home are toilet leaks. A variety of issues could cause your boiler to leak water. Regional Water Providers Consortium Contact Us Serving the greater Portland Metro Area since 1997. Problem solved!. My common toilet failed the HDB HIP water test and I did not want to hack my toilet to rectify the water leakage problem. Top 10 Reasons for a Leaky Toilet Worn washers or bolts: Worn washers or bolts may contribute to a leaky toilet. When joints in the supply line become loose or wear out, they allow water to seep through. Review the troubleshooting section in the article 'Fixing a Leaking Toilet' to locate your problem. The sink flange is the top most portion of your garbage disposal and is the piece that is directly connected to your sink drain. We show simple ways to find and stop common water leaks before they cause rot and other expensive damage. A leaking toilet is the #1 cause of a high water bill. That is why it is important to always make sure your toilet is in good working condition. While the ineffective flush valve is responsible for most leaks, fill valve problems result in a leaking toilet tank as well. The pipes that lead to your toilet can begin to rust for. Leak Detector Tablets or food coloring can be used in a tank to confirm a leak but these tablets do not verify where the leak is occurring. TOILET (CONTINUED) Loose Handle Does the handle feel loose every time you flush the toilet? If so, the nut inside the tank may be loose. The most common toilet leak occurs where the tank meets the bowl. The average cost of a water-damage and freezing claim was about $8,000. There are some common places to start looking for water leaks if you suspect that there is a leak somewhere in your home. Oil Leak Causes and How To Fix Them. The cost to replace this ring will average about $150. We’ve all dealt with the headache of a constantly running toilet. Also called bladder infections or cystitis, a UTI occurs when bacteria enter the bladder, usually through the urethra (urine tube), and begin to multiply. • Common types of leaks found in the home include worn toilet flappers, dripping faucets, and leaking showerheads. Most toilet flush tanks work in the same way. A hidden leak can greatly increase your base sewer fees. Even a silent toilet leak (that’s one you normally can’t hear) will waste from 30 to 500 gallons of water per day! The ones you can hear will waste much, much more. Find out how to spot the common leaks - and what you can do. This is caused at the end of the pregnancy when membranes holding the amniotic fluid rupture, causing a leak. Six of the More Common Causes for Leaking Faucets The faucets in your home can and do wear out over time from continued use. A leak in a toilet tank is expensive because you are continually. Common types of household leaks include worn toilet flappers, dripping faucets, and other leaking valves. With the right parts it's easier (and cheaper) than you think. To read our full review of the KOHLER Memoirs Toilet follow this link. Common causes are: - Single control faucets that leak when you don’t center the control before you turn it off (and it drips). If you don’t know, the biggest reason for high water bills is a toilet that leaks or continuously runs. The purpose of this article is to assist property owners, tenants, and construction and inspection professionals in identifying these common code violations so they may be corrected. There are a number of ways that water can make its way into your home, causing a leaky basement. However, a running toilet can be one of the costliest problems affecting your utility bill. If the flush is more vigorous, then it is probably not a clog. That's 200,000 times dirtier than the toilet seat, and makes it pretty much the filthiest thing in your house [source: Pritchard]. Here is a common toilet disaster and what to do about it: The Toilet is Leaking. This is a “straight” style stop valve with 1/2 inch and 3/8 inch compression fittings for a toilet water supply. These are all plumbing problems that we repair on a daily basis. We advise our customers invest in a frost-proof hose bibb, which can reduce the chances of having future leaks. This problem is almost. Cisterns not filling fast enough. Conduct a Dye Test on your Toilet: Toilets are a common cause of leaks. There are several things that you may notice that could indicate a possible leak. A toilet leak coming from the base often occurs when you flush. These leaks don’t cause damage to your home in any way but they can cost you a lot of money. If these 3 areas are not the cause of leak, you may wish to call in a plumbing expert to trouble shoot the issue. The flushing can use as little as 2–3 litres (0. The Dye Test. The most common cause of a leaking toilet tank is when the flapper fails to seat properly and form a tight seal against the valve seat. There are about 5 separate locations where your toilet seals can fail and leak. The most common cause of water leaks is a worn or damaged seal between the toilet bowl and the toilet tank. Trickling toilets. About four million Australians have bladder control problems. If you’d like to try fixing the problem on your own, use the following steps that explain how to fix a leaky toilet tank. These designs are popular for most residential installations. Toilet assessment First, check for the most common leak: a deteriorated or defected flush valve (flapper) ball at the bottom of the toilet tank. How to Fix a Leaky Toilet Water Shutoff Valve. Water will be coming from the base of the toilet usually after the flush is complete. When EBMUD water conservation experts visit customer homes, they find that nearly one in four has a leak. Leaking Supply Line. Many times this type of plumbing issue can be very difficult so make sure you hire a plumbing company that has experience. If the end of the hose sits below the waterline in the toilet tank, water can siphon into the hose, through the fill valve, and into the bowl. The two most common types of urinary incontinence in women are: Stress incontinence. The largest fix is the wax ring at the base of the toilet. Even the most thorough plumbing maintenance inspection won’t prevent the occasional clog or leak, especially in older homes. Overflow Tube: Many toilets in Santa Barbara leak overnight when the water pressure rises. This is the most common toilet leak. The presence of standing water near your toilet can also damage your flooring and subflooring — as well as your first-floor ceiling if your affected bathroom is on the second story. It really doesn't matter how modern your toilet fittings are, water leaking from toilet tank into bowl is one of the most common problems you will find in your home from time to time. Any form of cracks in the toilet bowl or on the tank is an obvious cause for leaks. The toilet is one of the most important fixtures in your home. One of the most common and frustrating fixes for a homeowner is a clogged toilet. Natural building movement is the primary cause, however there are several other common causes, such as a failed waterproofing membrane, aged or damaged grout, cracks in corners, failed seals, loose tiles, leaking taps/shower head, and leaking pipes etc. When I flush my toilet, there is a small water leak that occurs at the base. How to find the source of your leaks. With the right parts it's easier (and cheaper) than you think. Common causes are: - Single control faucets that leak when you don’t center the control before you turn it off (and it drips). Eliminate the Most Common Leak. Don't let your toilet run away with your money, catch those leaks! For more statistics on leaks, check out our Leak Fact Sheet from a previous Fix a Leak post or visit the WaterSense Fix a Leak Week website. Some people mistakenly attribute this problem to a leak in the pipes behind the toilet. If you notice a leak at the base or bottom of the toilet after you flush it, then it may be an issue with the Rubber seal on the base of the toilet or the tee bolts that keep your toilet in place. One of the simplest things you can keep an eye out for is a leaky toilet. Most styles of faucets will give you some warning they are failing by starting to leak when shut off. Rule this option out before moving onto any other culprits. Most of these can be repaired with simple tightening or replacing of the seal. In many cases, a toilet leak is silent unless you know the signs. How to Fix a Leaky Toilet Base. Toilet leaks The signs: If you notice pooled water or loosened tiles around the base of the unit, running water, worn out valves or a wobbling toilet, leaking could be the cause. Common Causes of a Leaking Toilet. Check the settings. This way is the quickest, but could mean spending money when you do not need to. Leaking Supply Line. What are the causes? Detecting the cause of leakage can be somewhat of a challenge. I’ve searched this site, in vain, for a “HOW TO” on motorhome floors. A worn toilet flapper or sink cartridge are common causes of leaks. You will probably need a trained repair person to repair a water softener, irrigation system, or humidifier but you can be your own detective to catch a leaking toilet. This will stop the water overflowing into the bowl. a common valve that uses a float mounted on an arm to shut the. The following is the address of our secure site where you can anonymously upload your documents to WikiLeaks editors. Top 10 Reasons for a Leaky Toilet Worn washers or bolts: Worn washers or bolts may contribute to a leaky toilet. This phenomenon is more common in older buildings and typically occurs in wet areas such as toilets and bathrooms. The Dye Test. A leaking toilet could be wasting on average 215 litres of water a day. They will be relatively rare and even infrequent when you have a new toilet. In most cases, you will simply just need to replace the toilet flapper and/or filling mechanism. I have a 5 year-old toilet whose tank drains slowly. You will see a water line that marks the level at which water fills the tank. For more information on troubleshooting other toilet issues, visit our "Water Conservation in the Bathroom" page. Repeated leaks from a neighbour's flat. The flapper is the piece of rubber that is attached to the toilet handle that allows the water to flow into the toilet bowl from the tank after flushing. We’ve all dealt with the headache of a constantly running toilet. However, most toilet leaks flow from the tank on the back of the toilet into the bowl, and then into the sewer. Whether water is leaking into the bowl or onto the floor, some plumbing work will be required to fix it. Toilet leak 28 If this is your first visit, be sure to check out the FAQ by clicking the link above. As toilets age, they can start to leak, and the leaks are often hard to see. You can replace the valve, or in my case I just replaced the O ring inside of the valve. To determine if you have a toilet leak, lift off the toilet tank lid, place five to 10 drops of food coloring or a dye tablet in the toilet tank, avoid using this toilet until the next day. Toilets By Type. Such wastage can normally be attributed to a faulty water level adjustment or to a leaky flapper. If water can still run through your toilet when flushed, you can use a plunger to shift and dissolve some of the toilet paper. If there is any color in the toilet bowl, there is a leak. It is possible for water to be leaking from the tank and running down the supply line, making it appear that the supply line or valve is the problem. You can check your cistern by putting a few drops of food colouring inside it. Less common is an option with a detached, wall mounted tank, chosen either due to aesthetics or to the improved flushing action. There are four kinds of toilet leaks and causes of excessive water use in particular that you should look out for; but sometimes you need to have a plumber look further at them. Below are few causes of toilet leaks:-Leaking supply line- A faulty supply line can sometimes cause the toilet to leak.