4.8 RATING

5 Signs Your Main Water Line is Leaking

Your main water line runs underground, out of sight, and completely unmonitored until something goes wrong. Most homeowners don't catch

770-285-5209

June 04, 2026

Your main water line runs underground, out of sight, and completely unmonitored until something goes wrong. Most homeowners don't catch a leak until it's already done significant damage. At Mr. Rooter Plumbing, we handle main water line repair regularly enough to know that catching the warning signs early is the difference between a manageable fix and a major excavation. Keep reading to find out what your home might already be trying to tell you.

Your Water Bill Has Spiked Without Any Change in Usage

A sudden jump in your water bill is one of the clearest signals that something is wrong underground. If your household routine hasn't changed but your bill climbed by 20, 30, or even 50 percent, that water is going somewhere it shouldn't. A leaking main line can bleed hundreds of gallons per day without producing a single visible sign inside your home.

Pull up two or three months of billing statements and compare them side by side. If the numbers are climbing without explanation, don't wait for the next cycle to confirm it. Some utility providers will flag unusual usage on your account, so it's worth calling them as well. They can tell you whether the spike is isolated to your address or tied to a broader supply issue in your area.

Contact a plumber in Suwanee, GA to run leak detection before the loss compounds. The longer the water escapes undetected, the higher your bill climbs and the more saturated the surrounding soil becomes.

Our Customer Reviews

Kevin Dressner

Stone Mountain, GA

I called at midnight on a Friday and the dispatcher confirmed an appointment window for 8-11AM that same morning. Shaun was great - he arrived early in the time window and got to the job quickly. There was an issue with a specialized part that broke during installation, and he followed through with great communication until the job was totally completed. I’m not knowledgeable about plumbing, but as far as I can tell, the quality of the work looks good. The cost was not cheap, but I am pleased with the service and the quality of work. Make sure to…

Michael Lo

Snellville, GA

At first the online scheduler didn't work, but it was very easy to call and set up an appointment. I liked receiving a text with the plumber's photo saying he was on his way. Jason arrived as scheduled. He provided all estimates in writing up front and was very courteous and professional as he explained the plumbing problems he found. I decided to replace my aging water heater, and he returned with my new water heater and finished installing it that afternoon, even when I needed to be away for a few hours. The hot water temperature is now perfect,…

Elizabeth Parks

Smyrna, GA

Jason and Josh did an excellent job fixing our blocked pipes. They were so quick, kind, and efficient. They did amazing, quality work and they were so nice and professional. It was quite a big project, and They took the time to explain what they would be doing every step of the way We are so happy to have working plumbing in our home again and would highly recommend them to anyone!

Warren Wright

Sandy Springs, GA

Ryan was very professional and did a great job of unclogging the pipes. He was the second plumber of the day. The first guy didn't unclog the drain and then proceeded to say it would take $8,000 to fix the clog. Insane. I called Mr. Rooter and had the fortunate opportunity to meet Ryan, who, instead of trying to make a big sale, took his time and unclogged the line in less than 10 minutes. He showed me what was going on and even showed me what was going to be needed in the future. This is why I'll always…

Bee Dee

Roswell, GA

John dubose went above and beyond to fix my issue . He placed a clean out valve in the location of the pipe to make it easier to access whenever my pipes get backed up again. He explained everything before proceeding so I understood what he would be doing to fix my backed up pipes and I can tell he defiantly was a Profesional and have been doing this for a long time . He was very patient with me and answered all of my questions . He showed kindness which i appreciated since i was in so much stress…

Andri Holzach

Peachtree Corners, GA

I am very satisfied with Jason Johnson and the experience with Mr. Rooter in general! I called in the evening and was placed on the emergency wait line for the next day. Jason came shortly before noon and I immediately had a good feeling about him. I showed him the pipe that leaked in the front yard and he patiently listened to me and took an overview. What I really liked was that he showed his knowledge about the whole situation. He didn't just address the leaking pipe but also pointed out the whole system in general and where else…

Melisa Fox

Norcross, GA

Jim Mahoney and his team of plumbers consisting of Jason Johnson, Andrew Fitch, and Cameron Funk were exceptional in the service they provided. I had major damage to my home because of plumbing issues from living in an older home. Jim sent his team out and they not only were thorough in fixing my plumbing issues, they educated me about the contributions I was causing that would eventually lead to more unnecessary problems. I would highly recommend any of the plumbers (Jason, Andrew, and Cameron) to anyone that might have plumbing issues in the Atalanta area. They are knowledgeable, courteous,…

Connor Malcolm

Milton, GA

I was very pleased with the service from Mr. Rooter. My tech, Jason, was friendly, timely, upfront about pricing, discussed options, and executed the job promptly. I had a water line replaced and the job was performed quickly and professionally with minimal disruption to my landscaping (only grass near the meter). I would highly recommend Mr. Rooter and specifically, Jason J. and his apprentice Cameron F. The boring crew was friendly and timely as well.

Katheryn Smith

Marietta, GA

Mr Rooter sent out a Tech the very next morning. Arrived on time and replaced the pipe. Was very professional and courteous. A few days later there appeared to be a wet spot on outside brick on house. I called Mr Rooter and they sent an inspector out right away. He was very thorough. NO LEAKS, just water trapped in between the walls trying to dry-out. The inspector was also very professional and courteous. I was very pleased from the moment the young lady answered my call to the lady who sent the inspector out. Their professionalism from start to…

phil isaacs

Mableton, GA

Highly recommend and Great people to work with!! Hi ….just a quick review of “Mr Rooter” who came to my home fixing and redoing a very clogged “sewer drain line”. The folks from Mr Rooter , Bryan and John and Taylor and Rod who spent a couple of days dealing with this issue did an amazing and excellent job of explaining and keeping us informed as to the issues and procedures of this problem. They worked their rear ends off and spent countless hours getting everything done. I knew they really cared and took the time needed to make sure…

You Notice Wet or Soggy Patches in Your Yard

Isolated wet spots in your yard on a dry week are worth taking seriously. A cracked or failing main water line will push water upward through the soil, and it tends to pool in the same general area above the break. You might also notice:

Grass growing noticeably greener or faster in one section of the yard
Soft, spongy ground that doesn't dry out after several days
Small sinkholes or depressions forming in the lawn

These patches don't appear randomly. They track directly above where the line runs from the street to your home. The size of the wet area doesn't always reflect the severity of the leak. Dense clay soil holds water close to the surface, while sandy soil disperses it more widely, which can make the affected zone look smaller than it is. A plumber can use leak detection equipment to pinpoint the source without tearing up the entire yard.

Your Water Pressure Has Dropped Noticeably Throughout the House

Low pressure at a single fixture usually points to a localized problem. Low pressure at every faucet, shower, and appliance at once points to the main line. When a pipe underground splits or corrodes, the volume of water reaching your home drops. Everything downstream suffers as a result.

A slow creep downward in pressure is easy to dismiss at first. But if you're waiting longer to fill a pot, your shower feels weaker than it used to, or your dishwasher takes longer to cycle, the problem has likely been developing for some time. It's also worth checking whether your neighbors are experiencing the same drop. If they're not, the issue is specific to your line. Main water line repair can restore full pressure throughout the house once the source of the drop is addressed.

Your Water Has Taken On a Discolored or Murky Appearance

Brown, yellow, or rust-colored water coming from your taps isn't always a municipal supply issue. When a main line cracks or corrodes, it can pull in surrounding soil and sediment as water flows through. That contamination enters your home's supply and shows up at the tap.

Discoloration appearing consistently, especially first thing in the morning or after the water hasn't run for a few hours, suggests the problem is in the line itself rather than inside your home's plumbing. Rust-colored water also indicates pipe deterioration. Plumbers can assess whether the issue originates at the main line or further downstream, and leak detection tools can locate any active breach before it worsens.

Don't use discolored water for cooking or drinking until a plumber in Villa Rica has assessed the line. Sediment and microbial contamination can enter through a compromised pipe, and the risk increases the longer the breach goes unaddressed.

You Can Hear Running Water When Nothing Is On

If you hear the sound of running or trickling water inside your walls, floors, or near your utility area and every fixture in the house is off, take it seriously. A main line leak generates enough flow to produce an audible sound, particularly when the break is close to where the line enters the home.

The easiest way to check is to walk through the house in silence and listen near the floor, baseboards, and any area where plumbing runs. You can also go outside and listen near the ground along the path your line travels from the street. If you consistently hear water moving when nothing should be running, call a plumber. Leak detection equipment can confirm whether the sound corresponds to an active breach in the main line and locate it without guesswork.

What to Do If You Recognize Any of These Warning Signs

If one or more of these signs match what you're seeing at home, the right move is to schedule a professional inspection before the situation escalates. In the meantime:

Locate your main water shutoff valve so you can cut supply quickly if needed
Avoid running large water-dependent appliances until the line is assessed
Document any visible yard damage or discoloration with photos and dates
Check your water meter with all fixtures off, If the dial is still moving, water is escaping somewhere

Main water line repair costs scale with how long a leak goes undetected. An early line assessment may only require targeted repair. One that’s left alone for months can undermine your foundation, saturate your landscaping, and require a full line replacement. Leak detection technology lets modern plumbers locate a break with precision, which reduces the scope of excavation and keeps costs lower.

Schedule an Inspection Today

If any of these warning signs sound familiar, call Mr. Rooter Plumbing to schedule a main water line inspection. Our experienced plumbers use professional leak detection equipment to check your line accurately and recommend a repair plan based on what's happening underground. We provide upfront pricing, work with residential and commercial properties, and stand behind our repairs.

Follow Us On

COUPONS & SPECIALS

Redeem Mr. Rooter coupons to save extra on our plumbing repair & installation services.

Expires On : 31 May $50_Off