Water Line Leak Glossary
- Service line
- The buried pipe from the water main to your house.
- Curb stop
- A shut-off valve near the meter, usually reserved for the utility.
- Main shut-off valve
- The valve where the line enters your house.
- PRV
- Pressure-reducing valve that lowers street pressure.
- Correlator
- A device that finds leaks by comparing noise at two points.
- Tracer gas
- A gas mix used to find leaks in plastic pipe.
- Pipe bursting
- A trenchless method that breaks the old pipe while pulling in a new one.
- CCF
- One hundred cubic feet of water, about 748 gallons.
- Static pressure
- Water pressure with no water running.
- Slab leak
- A leak in pipe under or in a concrete floor.
More detail: detection methods.
Think you have a leak? Call (425) 000-0000 or request service online. Tell us the address and what you are seeing.
Helpful guides
How to Tell If You Have a Water Service Line LeakA step-by-step meter test and the signs of a buried water line leak for Lynnwood homeowners.Who Is Responsible for the Water Service Line?How responsibility for the water service line typically splits between the utility and the homeowner in Washington.Water Leak Detection Cost in LynnwoodWhat affects the cost of water leak detection and service line repair in Lynnwood, WA, and how to compare quotes.How to Read Your Water Meter for LeaksFind your meter, read the low-flow indicator and do a 15-minute leak test.Water Leak Detection Methods ExplainedHow acoustic, correlator, thermal, tracer gas and pressure testing methods find leaks.Galvanized, Copper, PEX and HDPE Service Lines ComparedThe common water service line materials and how they fail.