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6 Signs It’s Time to Replace Your Water Main Line

A complex network of orange and white pipes mounted on a cracked concrete wall.

It’s important to recognize the signs of a compromised water main line to prevent damage to your home. 


Why is it so important?

That water main is the line connecting your home’s plumbing system to a municipal water supply. In short, these pipes ensure you have an adequate daily water supply. Without that water line, everything temporarily comes to a screeching halt. 

So, if you notice any of the following signs, you’ll want to call emergency water line services right away for water main repair.

1. Your drains frequently clog

    If you constantly experience slow drains or repeated clogs throughout your home, even after snaking or clearing them, it could be more than a local blockage. 

    Frequent drain clogs may be a sign that your main water line is deteriorating or damaged. While it might initially seem like a minor plumbing nuisance, recurring issues across multiple drains often point to a deeper, system-wide problem.

    When the water main line gets compromised, it might affect water pressure, restrict flow, and lead to a buildup of debris in the system. 

    These restrictions often cause drainage issues that mimic typical clogs but don’t respond to standard solutions. You may notice gurgling sounds, water backing up in unexpected places (like the tub when you flush the toilet), or multiple fixtures draining slowly at once.

    If you have persistent drainage problems, it’s worth having a licensed plumber inspect the main water line. 

    2. You have water pressure issues

      If you’re noticing weak water flow throughout your home, it could be more than a fixture issue. While that might be all it is, consistently low water pressure is often a sign that your main water line is damaged or deteriorating. 

      Common causes include corrosion, mineral buildup, or tree root intrusion, which has the potential to restrict water flow before it reaches your home. In some cases, hidden leaks in the main line can also reduce pressure and raise your water bill. 

      If multiple fixtures are affected, it’s time to call a plumber to inspect the water main line and determine if you need emergency water line services.

      A person washing their hands under a modern bathroom faucet with water flowing.

      3. You’ve noticed an increase in your water bill

        If your water bill has gone up without any obvious reason, like extra laundry, guests, or outdoor watering, it could be a hidden leak in your main water line. When this underground pipe becomes cracked, corroded, or damaged by shifting soil or tree roots, it can start leaking water before it ever reaches your faucets. 

        These leaks often go unnoticed because they don’t create visible signs inside your home, but they constantly waste water, driving up your utility costs.

        Since the main line is responsible for delivering all the water to your home, even a small leak can lead to a significant increase in your bill over time. 

        If you’ve ruled out appliance issues and household overuse, and your water bill keeps climbing, having a licensed plumber inspect your main line is a good idea. A rising bill could be your first clue that it’s time for a replacement.

        4. There’s water pooling in your yard

          If you notice unexplained wet spots, soggy patches, or pooling water in your yard, especially when it hasn’t rained, your water main line might be leaking. 

          Since this line runs underground from the city’s supply to your home, any cracks or breaks can cause water to seep into the soil. Over time, this will saturate the ground, leading to visible pooling or unusually green, overgrown patches of grass in a specific area.

          If you notice this, call for emergency water line services for water main repair. 

          5. You suddenly have pest problems

          If you’re suddenly dealing with an increase in pests, your main water line might be the hidden cause. Damaged or leaking water lines create excess moisture in the soil or inside walls and foundations, creating the perfect environment for pests to thrive. Insects like cockroaches and ants are especially drawn to damp conditions, while rodents may be attracted to the water source itself.

          These leaks often go unnoticed until the pest activity becomes hard to ignore. If you’ve ruled out typical causes like food waste or poor sanitation, and the pest problem seems persistent or localized near plumbing lines, it could be due to a hidden water leak underground that requires water main repair.

          6. You’re experiencing water quality issues

            It could be more than a filter issue if you’ve noticed changes in your water’s taste, smell, or appearance. It may be a sign that your main water line is deteriorating. Over time, older pipes may corrode, crack, or collect buildup that affects the quality of the water entering your home.

            Common red flags include:

            • Discolored water (brown, yellow, or cloudy)
            • Unpleasant odors, such as metallic or musty smells
            • Strange taste, like bitterness or a metallic flavor

            These symptoms often result from rust, sediment, or contaminants entering the water through compromised sections of the pipe. In some cases, a damaged water main can allow dirt or even bacteria to infiltrate the supply, posing health risks.

            If your water quality suddenly worsens and affects multiple fixtures, it’s time to have your main line professionally inspected. 

            Call Salisbury Plumbing for a water main line inspection today

            Noticing signs of trouble like low water pressure, rising water bills, or soggy spots in your yard? Don’t ignore them. These could be signs your main water line needs attention. At Salisbury Plumbing, our experienced team uses advanced tools to diagnose and resolve water line issues quickly and accurately.

            Whether you need a full inspection, a repair, or a complete replacement, we’re here to help protect your home and restore your plumbing system.

            Contact Salisbury Plumbing today for a professional water main line inspection you can trust. Let us take the guesswork — and the stress — out of your plumbing problems.

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