Last reviewed and updated: 2026-09-24
We cover Marietta and the whole of Cobb County, every residential Marietta ZIP code, the named neighborhoods from the Square out to East and West Cobb, and the surrounding communities of Kennesaw, Smyrna, Acworth, Powder Springs, Austell and Mableton. Pick your area below for the housing era there, the leaks that follow from it, and which water utility bills you.
Every area below is covered by the same leak detection in Marietta, GA process. If your bill has jumped and you do not yet know why, start with the high water bill triage and the meter test.
Wider areas of Marietta & Cobb
Why the area matters for a leak
Three things change from one part of Marietta to another, and together they decide almost everything about how a leak behaves.
The era the housing was built. Pipe material tracks build date closely. Roughly 1978 to 1995 means polybutylene is likely. The 1960s to 1980s often means copper run under slabs. Anything older can still carry galvanized steel supply and cast iron drains.
The foundation type. A crawlspace home shows a leak within days. A slab home can hide the identical failure for months while the water bill climbs.
Which utility bills you. Marietta Power & Water and Cobb County Water System run entirely separate leak credit processes. The name on your bill decides which one you apply to.
Frequently asked questions
What areas of Marietta do you cover?
All of Marietta and Cobb County, every residential Marietta ZIP code (30008, 30060, 30062, 30064, 30066, 30067, 30068), the named neighborhoods from the Square out to East and West Cobb, and the nearby communities of Kennesaw, Smyrna, Acworth, Powder Springs, Austell and Mableton.
Why does my neighborhood change what kind of leak I have?
Because pipe material tracks build date, and build date tracks neighborhood. Roughly 1978 to 1995 means polybutylene is likely; the 1960s to 1980s often means copper under slabs; older stock can still carry galvanized steel and cast iron. Foundation type then decides how fast the leak shows itself.
My neighborhood is not listed. Do you still cover it?
Almost certainly yes, the list names the areas we are asked about most, not the limit of where we work. If you are in Marietta or Cobb County, call and check.
Does my ZIP code tell you which water utility I have?
Not reliably. A Marietta mailing address does not by itself make you a City of Marietta utility customer; much of the Marietta mailing area is billed by Cobb County Water System. The utility name printed on your bill is what settles it.