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Why Is Your Water Bill So High - Hidden Plumbing Issues to Check

  • Writer: Rachel Gordon-Acavia
    Rachel Gordon-Acavia
  • May 6
  • 12 min read

Updated: 10 hours ago

Why Is Your Water Bill So High - Hidden Plumbing Issues to Check


          Homeowners With Expensive Water Bills


While you’re reviewing your expenses, you might notice a higher than normal water bill. This is typically due to common plumbing problems at home. You’re not using more water than usual, but your bill continues to increase, making you wonder why your water bill is so high. Some of the most common reasons for a high water bill include hidden leaks in the toilet or shower, increased usage, and irrigation system issues. Identifying the problem you’re having with your plumbing system is the key to lowering a high water bill. Start your water leak detection process by  inspecting the kitchen sink for leaks. In the bathroom, check for a running toilet. If it continues to flush after you’re done, it means there’s a problem. Examine exposed pipes to see if there’s any water damage from leaks. Regardless of what the reason for your unexpected water bill increase, it’s a smart choice to figure out what’s causing it in order to avoid costly repairs.


           Toilet Leaks Make Water Bills More Costly


One of the most common reasons for an expensive water bill are toilet leaks. When your leaking faucet or toilet runs continuously, it could happen without you realizing it. Many homeowners don’t recognize the signs of a water leak until there’s visible problems. For example, noticing water running all over the floor or discovering a leaky faucet that hasn’t worked properly in months not only indicates plumbing issues. It also can lead to higher water bills. Caused by a worn flapper or a faulty fill valve, some signs of hidden toilet leaks include the sound of running water and the toilet refilling randomly. Ignoring this problem can waste hundreds of gallons daily and leads to water waste from leaks. It’s an easy fix you could do yourself, though. That’s the good news. 


           Leaky Faucets Create Pricey Water Bills 


Faucet leaks and fixtures are another reason for a costlier water bill. Even if you just notice a dripping faucet, this can make your bills pricier over time. One drip per second can cause major water waste from a dripping faucet, costing gallons per day. Typical causes include a worn washer and corroded fixtures. Over time, worn faucet washers lose their effectiveness, causing faucets to leak. Replacing a washer is a simple way to fix a leaking faucet. It could save you hundreds of dollars. On the other hand, corroded plumbing fixtures require a different solution and there’s a couple of them. One option is to clean the fixture with a vinegar or descaling solution and remove corrosions from fixtures. Be sure to scrub gently with a brush or cloth to avoid damaging the surface or making the corrosion worse. Inside the fixture, it may contain buildup from mineral deposits with time. Although they don’t cause destruction right away, hard water buildup could gradually lead to corrosions, leaks, and stop the fixture from working efficiently. 


                      Save Money by Repairing a Faucet That Leaks


In order to fix a corroded fixture, it may involve replacing worn internal parts, such as washers, O-rings, or cartridges, and it sometimes stops leaks. Another option is to replace corroded fixtures. This is among the most common plumbing repairs. If the corrosion is severe, the leaking fixture may no longer be properly sealed anymore. Moreover, you should call a plumber if the corrosion has spread to the pipes, it’s difficult to remove, or if it continues to leak after replacing the parts. When it’s all said and done, if you’re facing an issue with your corroded fixture, you should address it since it might lead to leaky plumbing fixtures and worsen over time. This leads to increased water bills and causes more damage.


                     Pipes Leak From Behind the Wall


Another reason that your water bill is costlier than you’d like is due to hidden pipe leaks behind walls. Hidden water leaks are hard to detect and it could go on for months. Water stains, musty smells, and warped walls or flooring are signs that there’s a leak behind your wall. It’s unsafe to let this issue go unattended since it can lead to structural damage and mold risk. There are steps you can take to repair a pipe leak behind a wall. Start by shutting off your water supply. 


More Information on Repairing Leaky Pipes


Next, look for the leak. Although visible stains may indicate where the leak is located, that’s not always the case. It’s possible that the leak may be coming from several feet away. For example, a leak can be found in the pipes, insulation, or structural materials before visible signs develop. After identifying the leak, the next step is to open the wall. Since the pipes are hidden behind walls, you’ll need to cut through the drywall to examine the leak. Using a utility knife or a drywall saw are the most suitable equipment for this repair. Once you’ve exposed the pipe, you’ll be able to reach it and find the exact leak or replace the damaged section. 


      Assess the Damage With Pipes That Leak


Since you now have access to pipes behind the wall, now you can assess the damage. You could encounter a number of problems, such as cracks, loose joints, corrosion, and small holes. There are a couple temporary fixes for your pipe repair project. The first is a pipe repair clamp. It’s a device that temporarily or perminently stops the leak. After using this equipment, you can fix the leak without needing to replace a portion of the pipe. Another effective tool is epoxy putty, which seals small cracks in pipes to avoid a leak. It stops leaks quickly. Just remember this is a temporary solution, and it won’t completely prevent you from needing a pipe replacement. If this doesn’t work, you’ll need to call a professional plumber for help. 


Repair Leaky Pipes Yourself to Save Money


There are certain situations where you can do the repair yourself, especially if it’s just slightly damaged. Cut out the cracked section to physically remove the part of the pipe that’s causing the leak and replace it with a new one to avoid more water damage. Using proper fittings helps ensure that the pipes are securely connected. Turn the water back on to see if the pipes stopped leaking and if the repair worked. Repairing the wall requires you to dry the area completely, replace the drywall, and paint over it again if necessary. After completing this process, it looks like you’ll be all set!


                                       Higher Water Bills Due to Slab Leaks


It might seem like the list goes on and on when it comes to all of the reasons your water bill is so high. Want to know another one? Ready, set, go. There’s also the possibility that a slab leak is costing you all this money. Underneath the foundation of your home, water or sewer pipes break or decay, leading to a slab leak. Typically found in older homes or properties with corrosion, there are certain signs you should pay attention to. Warm spots on the floor or cracks on the wall are a sign of trouble. One is a warm spot on the floor. Cracks on walls or flooring is another. Hearing the sound of water even if everything is shut off is another red flag you shouldn’t ignore. Over the course of just a few months, your water bill is going to be sky high if you’re noticing water loss due to a hidden slab leak. In order to identify where exactly the leak is, it’s best to keep this in the hands of a professional. 


          Solutions for Repairing Slab Leaks


Just so you know what to expect, your repair technician will choose from the following options. This first is called a spot repair. The first is breaking through the concrete slab. After that, you'll simply need to get close to the pipe. That way, you can do the repair. Depending on the damage, you’ll either repair the exact spot where the leak is, or replace the pipe. Here’s another solution - a pipe rerouting. To understand this, think of your pipe like a dot on a map that directs the water where to go. So, if the pipe the water travels through is damaged, it could cause a leak. Rerouting the water through a new path can be a solution. It prevents the water from moving through damaged pipes by installing a new one.


                    Irrigation Leaks Raise Your Water Bill


Unraveling the mystery of how your water bill is so high is like finding the missing piece of a puzzle. There is another possible answer, though - outdoor plumbing. For example, you might be facing an irrigation leak. It can be from broken sprinkler heads, underground irrigation line linked, or overwatering due to misaligned systems. Out of all these solutions, fixing a broken sprinkler head is the easiest one. 


        How to Repair an Irrigation Leak


It involves shutting off the irrigation system and looking for the damaged sprinkler head to see where the leak is coming from. Once you find it, remove it and install a new one. Onto the next one - repairing an underground irrigation line leak. For this particular type of project, you’re going to start by locating the leak to access the damaged section. Begin by turning off the water. On your trail of bread crumbs, there’s going to be some signs you will want to look for. 


  More Information on Irrigation Leak Repairs


For example, if you see soggy or unusually green patches of grass, water running up to the surface, or weaker water pressure from the sprinklers. Dig carefully to avoid future damage. Use a shovel or trowel to get close to the pipe. Identify the problem, whether there’s cracks in the irrigation system, holes, split pipe sections, and loose or broken connections. Remove the damaged section by cutting it. Replace it with a new piece afterwards, seal the connection, turn the water back on to test it, and refill the soil. Call a professional if you find it too difficult to locate the leak, there’s too much damage, or the irrigation system is complicated to make a repair on your own. Overwatering due to misaligned systems can also cause a slab leak. This type of repair is simple and normally doesn’t require a professional. Fixing this kind of issue requires you to adjust the direction of the sprinklers, change direction the water sprays in, and be sure that the sprinkler head is in the right position to ensure the water distributes evenly. 


Hose Bib & Outdoor Faucet Leaks Raise Water Bill


For those of you who are frustrated with an unreasonably high water bill, you should know that a hose bib or outdoor faucets could be the problem. Outdoor faucets can start leaking if it’s dripping nonstop, and if there’s a crack in the hose or a connector. Leaks can occur when a washer becomes worn, so if you replace it, this restores a proper seal. For cracks in the hose or a connector, the right repair depends on how severe the damage is. The first step is to shut off the water coming from the outdoor faucet, so it won’t spray while you’re working. Next, you’ll examine the damage. There’s a wide range of problems homeowners face when it comes to cracked hoses or connectors, such as visible cracks, leaks at the connection point, and weak or bulging sections.


    Small Cracks in the Hose Bib Cause Leaks


Small cracks need to be wrapped in waterproof tape or a hose repair kit to stop leaks temporarily. If you find extensive damage, cut out the cracked section to remove the broken parts. Attaching a hose repair connection rejoins two sections of a hose after removing the damage. Tighten the connector as securely as you can to keep the hose from coming apart. 

Stop the leak in your home once and for all with a simple solution - replacing the connector. Start by unscreweing the broken connector, then eplace it with a new one of the same size, and fasten it tightly. While this may provide a temporary solution, it’s important to keep in mind that it’s very difficult to permanently restore cracks in a hose or faucet, so replacing it is the smartest option.


    Expensive Water Bill Due to Broken Home Appliances


Resolving the problem as to why your water bill is higher is a major challenge for lots of homeowners. One reason you might be experiencing this issue is because your washing machine or dishwasher isn’t working properly. When you’ve had a washing machine for a long time and it’s now too old, this is when leaks tend to happen. There might also be an issue with the hose. While you’re using your washing machine, the only time water should be flowing is when it’s in use. So, replacing your old washing machine with a new one is a great option because when it’s working like it should, you’re no longer going to be wasting extra water. 


              Home Repairs for a Broken Hose


For those of you who are on a budget or prefer to repair a broken hose at home, the good news is that it’s quite simple. Shutting down the hot and cold water values behind the machine helps you avoid leaks as you make this repair. Unplug the machine to avoid electrical hazards. Perform an inspection by next searching for cracks or splits, bulging areas, loose connections, or water around the hose end. During your repair, if you find a loose connection, tightening the hose at one end of it and the other wihle using a wrench if needed, that’s going to solve the problem. While repairing a washer that isn’t working properly, what you’ll do here is remove the hose from the washing machine. After, you’ll replace the damaged washer inside the connector and attach it securely. With a cracked or broken hose, removing it entirely or installing a new one that’s the same size and model is the best fix.


Clogged Hose Repairs


Onto the next type of repair - clogged hoses. It’s a tough one, but your safest option is to disconnect the hose from the washing machine and flush it out with water to clean off the debris. For this next part, you’re going to reconnect everything by attaching the hose securely and making sure the connections are fastened properly. Do a test run now by turning the water back on. Inspect for leaks, drips, and proper water flow. Just as a helpful tip, hoses attached to washing machines should be replaced every few years to prevent bursts. However, if a leak continues, the issue could be with the machine itself. In this case, the best solution is to call a trusted expert to repair the appliance. 


Broken Dishwasher Repairs


One other reason your water bill has significantly increased could be from a leaking dishwasher. Dishwashers typically leak from underneath when there’s issues with the hose, seal, or other internal parts. With this particular problem, it’s that you’re using more water than you should while the machine is in use. To fix a broken dishwasher, you’re going to begin by discovering where the leak is coming from. Just like with the washing machine, you will need to turn off the dishwasher to avoid electrical risks. There are many different spots where the leak could be coming from, which is important to consider during your inspection. 


          Dripping Hoses Create Leaks


For example, you can find leaks from water pooling underneath, a dripping hose, or water around the door. While trying to repair your dishwasher, you might find a loose or damaged hose. In this case, you’ll fasten the connections and replacing the hose if it’s cracked or worn is going to help your dishwasher work properly once again. During your repair, you may also find a problem with the gasket. So, your first move is going to involve inspecting the rubber seal around the dishwasher door. For dishwashers, water leaks out during cycles when the seal doesn’t work like it should.


    Clogged Filters and Drains Create Leaks 


With clogged filters and drains, you’re going to remove the filter and clean it. For this next part, you will need to clear the debris, which can stop the water from draining properly. This step is important because it stops water from leaking out. One other reason your dishwasher could be leaking is from loading too many dishes into the machine at once. For dishwashers, it’s also important to ensure the spray arms move freely so water is distributed evenly. If the spray arms are blocked, water may spill out the door.


One other part of your dishwasher that could be causing problems is the faulty float switch. It regulates how much water fills the machine so it doesn't overflow. This is a difficult repair to do yourself, so you may want to contact a professional technician. Other times you’ll want to call a specialist is when leaks continue after doing easy fixes at home, the water is leaking out of the machine itself, or you discover a problem with the pump or internal valve. 


Water Leaks Create Expensive Water Bills


Checking for water leaks is a good skill to have as a homeowner to ensure that everything is working like it should. For this first one, monitoring your water meter, you will shut off the water and check to see if it still moves. This is an important step because it helps you discover if the water is flowing like it should be. Check for other warning signs, like unexplained damp areas, significantly less water pressure in the sink or shower, and mold or mildew growth in your house. Reviewing your monthly water bill is another helpful way to finally get to the bottom of this. Look and see if there’s any sudden increase to confirm a problem. 


When to Call a Repair Technician


Everything in your home may seem to work properly up until you notice a leak you wish you can fix yourself. Unfortunately, there are times when it’s best for a plumber to handle the job. For example, while you’re looking for the leak, finding it may be more difficult than you originally thought. Plumbing experts know exactly where to look. It’s why it’s a good idea to give your local plumber a call. With suspected slabs and underground leaks, it’s best to contact a professional. Specialists in this industry can effectively identify the problem, whether it’s hidden pipes or structural risks. Another reason hiring a professional plumber is a smart choice is because they’re trained to use specialized tools, such as basin wrenches, tubing cutters, pipe augers, and soldering torches.


Final Thoughts


Although it’s a challenge to deal with plumbing problems in your home, resolving the problem is going to save you a lot of money. Lower your monthly bills, avoid expensive repair jobs, reduce water waste, and protect your house value in case you want to sell it in the future. During your homeowning experience, it’s crucial to address any problems with your home right away. While it might seem stressful to handle these types of issues, being proactive is going to keep everything in your property running smoothly and avoid problems in the future. 

 
 
 

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