Leak Detection in 30067

Last reviewed and updated: 2026-09-24

Housing in 30067 and what it means

Marietta 30067 is a denser mix including substantial townhome, condominium and apartment stock. That matters because pipe material tracks build date closely: homes built between roughly 1978 and 1995 across Georgia were commonly plumbed with polybutylene, those built from the 1960s to the 1980s often have copper run under slabs, and anything older than that may still carry galvanized steel supply and cast iron drains.

The leak profile here

The leaks most often found in this ZIP code:

• Inter-unit leaks in stacked townhome and condominium buildings
• Community water loss on shared-meter properties
• Groundwater versus plumbing questions in lower-lying sections near the Chattahoochee
• Polybutylene and slab leaks in the single-family stock

Reading the pipe before anyone opens anything

The single most useful fact about a house, before any equipment comes out of the van, is what its supply pipe is made of. It predicts how the leak will behave, where it will fail and whether a repair is worth doing at all.

The water heater is where to look, because the supply lines are exposed there. Gray flexible plastic, often stamped PB2110, is polybutylene. Dull orange rigid metal is copper. Dull gray threaded metal is galvanized steel, and if a house still has it, low pressure is usually the first symptom rather than a visible leak.

That one observation changes the plan. A copper pinhole is a spot repair. A polybutylene fitting failure is the start of a conversation about the whole system.

The twenty-minute test to run before calling anyone

Before any of this matters, it is worth establishing that a leak exists at all, and that is free.

Turn off every tap, appliance, icemaker and irrigation zone. Find the meter, usually in a covered box near the curb, and watch the low-flow indicator, the small triangle or dial that turns when even a trickle is moving. Any movement with everything off means water is escaping.

Then close the main house shut-off and look again. Still turning means the leak is between the meter and that valve. Stopped means it is inside or under the house. That single answer halves the search before anyone is paid anything. The full meter test has the detail.

Additions, remodels and the joints between eras

Plumbing in an older house is rarely one system. It is the original pipe, plus whatever a 1980s bathroom addition used, plus a partial repipe someone did after a failure, plus the drain lines underneath all of it.

Every junction between two eras is a potential failure point, and the joint between dissimilar metals is worse than either metal alone: copper connected directly to galvanized steel corrodes at the connection far faster than the pipe on either side.

It is also why a leak in a house like this is often not where the age of the house suggests. The newest pipe, badly joined to the oldest, fails first. Concealed leaks like these are mapped rather than guessed at.

Which water utility bills you here

30067 is served by Cobb County Water System, including shared-meter communities where the association is the account holder. The distinction matters: Cobb County Water System allows a partial leak credit once per rolling 12-month period across no more than two affected months, with proof of repair required, while Marietta Power & Water runs its own separate process. Check the utility name printed on your bill before applying for anything.

Before you call anyone

Southern marietta toward powers ferry, delk road and the i-75 corridor is inside our regular working area, and the corridor is covered on the same day as the rest of Marietta. If you are not sure which ZIP code your property falls in, give us the street address instead: see the Marietta ZIP code guide for how the fourteen codes actually break down.

Frequently asked questions