Water Service Line Replacement
Water service line replacement renews the main pipe running from the street or well to your house, which controls all water entering the home. A failing service line causes low pressure, discolored water, or soggy spots in the yard. FlowFast connects you with an independent local plumber who will diagnose the line and replace it with minimal digging.
- Connected with an independent local pro — never a call center queue.
- Part of our Whole-Home Repiping services — explained up front.
Parent service
Whole-Home RepipingFrequent leaks or rusty water? Signs your home needs repiping, copper vs. PEX, and how to get connected with an independent local plumber.
View all Repiping servicesThe water service line is the single pipe that feeds your entire home, running underground from the municipal main or well to your meter and house. Because it is buried, problems develop unseen: corrosion thins old galvanized or copper lines, tree roots crush or infiltrate joints, and shifting ground cracks brittle pipe. The first symptoms are often whole-house low pressure, unexplained wet patches in the yard, or a water bill that jumps without any visible leak indoors.
Replacement used to mean trenching the entire yard, but trenchless methods can now pull a new line through the path of the old one with only small entry and exit pits. The right method depends on soil type, depth, obstacles, and local rules. FlowFast connects you with an independent local plumber who will locate the line, confirm the failure with proper testing, and recommend the least disruptive replacement method for your property and budget.
Warning signs
Signs you need this service
- Water pressure is low at every fixture in the house, pointing to the single line that feeds them all.
- Soggy spots, unusually green grass, or sinkholes appear in the yard between the street and the house.
- Your water bill spikes noticeably even though no indoor leak can be found anywhere in the home.
- Water is discolored throughout the house, suggesting the buried line itself is corroding from within and shedding rust.
What to expect
The process, step by step
The pro locates the service line, checks the meter, and tests to confirm the leak or restriction is underground.
They evaluate trenchless versus open-trench replacement based on soil, depth, and surface obstacles like driveways and trees.
The new line is installed, connected at the main and the house, and pressure-tested thoroughly before backfilling.
Water quality and pressure are verified at indoor fixtures, and the work area is restored neatly.
Prevention
How to avoid this problem
- Know where your service line runs and avoid planting trees with aggressive roots near it.
- Watch your water bill for unexplained jumps that signal an underground leak developing early, before surface symptoms appear.
- Keep the main shutoff valve accessible and working so a line failure can be stopped fast.
Frequently asked questions
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