How to Fix a Water Main Break

You may eventually face a water main break if you are a homeowner. These breaks can be costly to repair, but there are some things you can do to try to minimize the damage. This blog post will discuss how to fix a water main break. We will also provide tips on preventing water main breaks from happening in the first place. Keep reading to learn more!

Summary: If you see a water main break, the first thing you should do is call 9-1-1. If it’s an isolated incident or you can’t reach someone on the phone, you can also try using a flashlight and a whistle to find the nearest emergency crew. Once you’ve called for help, stay put! The quicker the emergency crew arrives, the less likely you are to get injured.

How to Fix a Water Main Break

What Causes Water Main Breaks?

There are a few different reasons why water main breaks can occur. One common reason is that the pipe has reached the end of its lifespan. Pipes are made to last a certain number of years; after that, they will need to be replaced. Another reason why water main breaks can occur is due to weather changes. When the ground freezes and thaws, it can stress the pipes. This can cause them to break.

Additionally, water main breaks can be caused by corrosion. This is more common in older homes with metal pipes. Over time, the pipes will start to rust and break down. The other main cause of water main breaks is ground movement. This can be caused by things like earthquakes or construction work near the pipes. Lastly, water main breaks can be caused by objects that damage the pipes. This could include things like tree roots or rocks.

Why It’s Important to Fix a Water Main Break Quickly

Once you have a water main break, fixing it as quickly as possible is important. This is because a water main break can lead to several problems. One is that it can cause flooding. This could damage your home, belongings, and even your foundation. Additionally, a water main break can cause a loss of water pressure. This can make it difficult to do things like take a shower or wash dishes.

Additionally, it can lead to a higher water bill. Fixing the problem quickly can help to prevent these issues. Another quick fix for a water main break is that it can lead to sewer backups. If the water cannot drain properly, it could back up into your home through the sewer system. This can lead to a messy and dangerous situation. Finally, a water main break can inconvenience you and your family. It can make it difficult to do things like cook or take a shower. Again, fixing the problem quickly can help to minimize the inconvenience.

Step by Step How to Fix a Water Main Break

1. Turn Off the Water

The first step is to turn off the water. This will help to prevent further damage from occurring. Next, you will need to find your home’s main water shut-off valve. This is usually located in the basement or near the water meter. First, locate the valve. Then, turn it to the right to shut off the water. You can call your water company for help if you cannot find the valve.

Turn It to the Right to Shut Off the Water

2. Assess the Damage

Once you have shut off the water, you will need to assess the damage. This will help you determine what needs to be repaired and how extensive the repairs will be. First, take a look at the pipe. If it is cracked or broken, you will need to replace it. If the pipe is leaking, you may be able to patch it. Next, try to determine the source of the leak. This will help you know what needs to be done to fix it.

3. Dig a Trench

Once you have determined the extent of the damage, you will need to dig a trench. This will allow you to access the pipe to make the necessary repairs. The trench will need to be at least two feet wide and two feet deep. You can use a shovel or a rented trenching machine to dig the trench. First, mark the area where you will be digging. Then, start digging! Be sure to avoid any utility lines as you dig. Avoiding these lines is very important for safety reasons.

4. Repair the Pipe

Once you have dug the trench, you can access the pipe. To do this, first, remove any debris that may be around the pipe. This could include things like rocks or dirt. Next, you will need to repair the pipe. Try to determine the source of the leak. Avoiding these lines is very important for safety reasons.

5. Replace the Pipe

You will need to replace the pipe if it is cracked or broken. This is a more extensive repair than simply patching a leak. To do this, first, remove the damaged pipe. Next, you must cut the new pipe to the appropriate length. Be sure to use a hacksaw or a pipe cutter. Once the new pipe is cut, you will need to connect it to the existing piping. This can be done with fittings and couplings. Finally, turn the water back on and check for leaks. Use a pipe wrench if you have trouble getting a tight seal.

6. Patch the Pipe

If the pipe is only leaking, you may be able to patch it. This is a less extensive repair than replacing the pipe. To do this, first, shut off the water to the pipe. Next, dig around the pipe to expose it. Clean the area around the leak with a wire brush. Apply epoxy putty to the area and smooth it down. Wrap the area with tape, then turn the water back on. Monitor the repair to make sure it’s holding. Try not to use the faucet or anything else that would stress the repair. Please avoid using any chemicals near the repair, as they may cause the epoxy to fail.

Dig Around the Pipe to Expose It

7. Test for Leaks

Once you have repaired it, it is important to test for leaks. The best way to do this is to turn on the water and let it run for a few minutes. Check the repair area for any leaks. If you see any water leaking, you will need to make another repair. Avoid using too much force when tightening the bolts, as this can cause the pipe to break.

8. Fill in the Trench

Once you have tested the repair and found it to be successful, you will need to fill in the trench. This can be done with dirt, sand, or gravel. Be sure to pack it in tightly so that there is no risk of the repair collapsing. After filling the trench, you will need to put the grass seed down. Be sure to spread it evenly so that the area can recover quickly. Once the seed has been spread, you must water it regularly. This will help the grass to grow quickly and evenly.

9. Monitor the Repair

Even after you have finished the repair, it is important to monitor it. Check the area regularly for any signs of leaks. If you see any water leaking, you may need to make another repair. Avoid using too much force when tightening the bolts, as this can cause the pipe to break.

10. Call a Professional

If you are uncomfortable making the repair yourself, you can always call a professional. Many companies offer water main repair services. These companies will be able to quickly and easily fix the problem. The cost of hiring a professional will vary depending on the extent of the damage.

You Can Check It Out To Fix Magnetron in Microwave

Quickly and Easily Fix the Problem

Tips and Warnings on How to Fix a Water Main Break


  1. Be sure to turn the water off at the main valve before you begin any repairs.
  2. If the break is in a pipe buried underground, you will need to excavate the area around the pipe to access it.
  3. Once you have access to the broken pipe, you will need to cut out the broken section and replace it with a new section of pipe.
  4. Reconnect the new pipe section to the main water line using appropriate fittings and techniques.


  1. Excavating around a buried pipe can be dangerous, so take appropriate safety precautions.
  2. Repairing a water main break can be challenging, so it is best to consult with a professional plumber if you are unsure how to proceed.
  3. Do not attempt to repair a water main break if you do not have the proper tools and experience. This can result in further damage to the pipe and put you at risk of injury.

How Much Does It Cost to Fix a Water Main Break?

Normally, the cost to fix a water main break will depend on how big the job is. If you’re fixing a small leak, it may only cost a few hundred dollars. However, if you’re replacing an entire pipe, it could cost thousands of dollars. If you have insurance, they may cover some or all of the cost. It’s always best to check with your insurance company first. The average cost to fix a water main break is $2,500. However, the cost can range from $1,000 to $4,000 depending on the extent of the damage.

Replacing an Entire Pipe

Frequently Asked Questions

What Causes Water Mains to Break?

Water mains can break for many reasons, but the most common ones include cracks in the pipe surface or watertight joints that have failed. Additionally, aging infrastructure can also lead to leaks and breaks. When these types of accidents happen, they can cause significant damage to property and contaminate sources of drinking water.

To avoid this type of disaster, it is important to keep an eye out for signs that your water mains are in danger.

This might include a sudden increase in noise or smell coming from your pipes, blisters on the outside of your piping system, or increased pressure readings in your home’s plumbing system. If you notice any of these symptoms occurring anywhere inside or outside your home, contact professional emergency plumbers right away!

Can You Use Water After Water Main Breaks?

There is no definitive answer to this question, as it largely depends on the circumstances. In general, you should wait until the water main has been officially reopened by the municipality before using it again. This will ensure that there are no harmful contaminants in the water and that your tap is safe to use.

Why Do Water Mains Break in Cold Weather?

Water mains break in cold weather because they are less able to handle the increased pressure that is exerted on them when the temperature drops. Water mains are made of plastic, steel, or a combination of both, and when the temperature falls below freezing, the water inside them solidifies. This can cause the mains to burst or twist, leading to water leakage and damage.

Do You Run Water After Water Main Breaks?

most experts suggest that it’s best to wait until the water main has been completely repaired before running water through your home. This is because broken pipes can lead to potential flooding and damage. If you must run water during a breaking storm, make sure to turn off the main breaker first and wait for authorities to arrive before returning to normal operations.

What Happens When You Have a Broken Water Line?

When you have a broken water line, it’s important to call an experienced plumber as soon as possible. A broken water line can lead to flooding in your home and can be very dangerous. Not only is this situation inconvenient and frustrating, but it could also be costly to fix.

The first thing that you should do is determine the extent of the damage by checking for leaks and making any necessary repairs. If there are extensive damages, then a contractor may need to be called in order to restore normalcy to your home. In some cases, partial or total destruction may occur necessitating complete rebuilding from scratch.

Regardless of the outcome, always exercise caution when dealing with water lines; never try repairing them yourself if you don’t know what you’re doing!


So there you have it! These are the steps on How to Fix a Water Main Break. Be sure to follow these steps carefully to avoid further damage to your home. We hope you found this article helpful! If you have any questions, feel free to leave a comment below. Thanks for reading!

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