Water Line Repair & Replacement | Atlanta

The main water line is the single pipe that brings fresh water from the meter at the street into your home. When it starts to fail, you usually do not see the pipe itself. You see the side effects, like a soggy patch in the yard, weak pressure in the shower, or a water bill that jumped for no reason. A&G Plumbing & Drain has been finding and fixing these lines around Marietta and Metro Atlanta since 2006, and most of the time the repair is more straightforward than people expect.

In Cobb County and most of Metro Atlanta, the pipe from the meter to your house is yours, not the water department’s. That means a leak on that line is the homeowner’s responsibility to repair. The good news is that catching it early keeps the job small.

Signs Your Main Water Line Is Failing

A failing water line rarely breaks all at once. It leaks, cracks, and corrodes over months or years before it gives out. Here is what to watch for.

• Wet or soggy spots in the yard. A patch of grass that stays muddy or swampy when it has not rained, often greener than the grass around it, usually means water is escaping underground. Sometimes you will see it run along the path between the meter and the house.
• A drop in water pressure. If the shower and faucets lost their punch, water may be leaking into the soil before it reaches your fixtures. Low pressure across the whole house points to the main line rather than a single faucet.
• Discolored or rusty water. Brown, yellow, or cloudy water can mean dirt and sediment are getting into a cracked line. On an older galvanized pipe, it can also mean the pipe is rusting from the inside out.
• A high water bill with no explanation. If your usage climbed but nothing changed at home, you may be paying for water that never makes it inside. A quick meter test confirms it: shut off every fixture, then watch the meter. If it keeps moving, water is going somewhere it should not.
• The sound of running water when nothing is on, or air sputtering from the faucets.

If any of these sound familiar, the next step is locating the problem before you start digging. Our leak detection and repair team uses acoustic and pressure equipment to pinpoint the exact spot, so we are not tearing up the whole yard to find a leak the size of a pinhole.

Trenchless vs. Open-Trench Replacement

There are two ways to put in a new water line, and Atlanta is one of the better places in the country for the less invasive option.

Trenchless replacement

Trenchless methods replace the line without digging a long open ditch across your property. We dig a small access point at each end and pull the new pipe through, or burst the old pipe and draw the new one into its place. Your driveway, walkways, mature trees, and landscaping mostly stay where they are. Atlanta’s clay soil tends to tunnel well, which is part of why trenchless has become so common here. The catch is that it costs more per foot up front, and not every line is a candidate. If the old pipe has collapsed or the route is full of tight bends, an open trench may be the only honest answer.

Open-trench replacement

The traditional method digs a trench along the full run of the pipe, swaps it out, and backfills. It is often cheaper per foot and lets us inspect the entire line, but it disturbs more of the yard and the repair to your landscaping or hardscape gets added to the total. For a short run, or where the line sits under open grass, open-trench can be the smarter and more affordable call.

We will walk the route with you, tell you which method fits your property, and explain why. No upselling you into trenchless if a simple trench does the job.

Water Line Materials

Material matters more in Atlanta than in a lot of other places, because our soil is naturally acidic and rough on certain metals. The common choices we install are:

• HDPE (high-density polyethylene). A tough, flexible plastic that comes in long continuous lengths with very few joints, which is exactly what you want for trenchless pipe bursting. It handles acidic soil well and lasts for decades.
• PEX. Flexible, budget-friendly, and resistant to the corrosion that eats up older metal lines in our soil. Approved under Georgia code and a popular pick for water lines around here.
• Copper. A higher up-front cost, but proven, long-lived, and naturally resistant to pests. A solid choice when a homeowner wants metal and the budget allows.

Whatever we install meets Georgia plumbing code and gets permitted and inspected where the county requires it.

Honest Cost Ranges

Every line is different, so treat these as ballpark figures rather than a quote. A small spot repair on an accessible line can run a few hundred dollars. A full main water line replacement in the Atlanta area commonly lands between $2,000 and $5,000, depending on length, depth, and material. Trenchless work tends to run roughly $75 to $150 per linear foot. The big variables are how long the run is, how deep the pipe sits, whether it crosses a driveway or sidewalk, and which method the site allows.

We give you the real number after we have looked at the line, not a guess over the phone. The estimate is free, and it spells out the work so there are no surprises on the invoice.

Serving Marietta and Metro Atlanta

A&G Plumbing & Drain is family-owned and based in Marietta, and we cover water line repair and replacement across Marietta, Kennesaw, Smyrna, Roswell, Sandy Springs, and the surrounding Metro Atlanta area. We are licensed, insured, and carry a 4.9-star rating across 420+ reviews. If you think your main line is leaking, call us at (770) 627-4421 for fast scheduling, with same-day service when available during business hours.

Frequently Asked Questions

How do I know if the leak is on my main water line and not somewhere inside?

Run the meter test. Turn off every water fixture and appliance in the house, then check the water meter. If the dial or leak indicator keeps moving with everything off, water is escaping somewhere on the pressurized line, often the main run between the meter and the house. From there we use leak detection equipment to find the exact spot.

Who is responsible for the water line from the meter to my house?

In Cobb County and most of Metro Atlanta, the water utility maintains the line up to the meter, and the homeowner owns the line from the meter to the house. So a leak on that section is yours to repair. Check with your specific water provider, but that is the rule for most of our service area.

Is trenchless replacement always better than digging a trench?

Not always. Trenchless protects your driveway, trees, and landscaping and is a great fit for many Atlanta properties, but it costs more per foot and is not possible on every line. If the old pipe has collapsed or the route is complicated, an open trench can be the better and cheaper option. We tell you which one actually fits your situation.

How long does a water line replacement take?

A straightforward trenchless replacement is often done in a single day. An open-trench job can take one to two days depending on the length of the run and whether it crosses hard surfaces like a driveway. We give you a timeline before we start.

What is the best pipe material for a water line in Atlanta?

Because Atlanta soil is acidic, we lean toward HDPE and PEX, which resist corrosion and hold up well underground. Copper is an option too if you prefer metal. All three meet Georgia code, and we will recommend the one that fits your line, your soil, and your budget.

Can a leaking water line be repaired instead of fully replaced?

Sometimes. A single break on an otherwise sound pipe can be spot-repaired. But if the line is old, corroded, or has leaked in more than one place, replacing the whole run usually costs less over time than chasing leak after leak. We will be straight with you about which makes sense.